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Dr. Zahir Yousaf, MD

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Specializes in: Adult Pulmonology and Sleep Medicine

Khyber Medical College

Professional interests include: aspiration pneumonia, bronchiolitis, spirometry, and more.

25500 Point Lookout Road
Leonardtown, MD 20650

(301) 475-8981

Dr. Zahir Yousaf, MD is a pulmonologist in Leonardtown, MD specializing in adult pulmonology and sleep medicine. He graduated from Khyber Medical College. Dr. Zahir Yousaf, MD is affiliated with CalvertHealth, MedStar Health and MedStar St. Mary s Hospital.

Office Locations

25500 Point Lookout Road
Leonardtown, MD 20650

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CalvertHealth

3995 Old Town Road Suite 201c
Huntingtown, MD 20639

(410) 535-0666

(410) 535-3468

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Some issues Dr. Zahir Yousaf, MD can help you with:

Bronchoscopy

Bronchoscopy is a procedure in which a thin tube with a camera, called a bronchoscope, is inserted in the mouth or nose and slowly advanced to the lungs. This allows doctors to see the respiratory tract, which includes the throat, larynx (voice box), trachea (windpipe), bronchi (airways), and lungs. Doctors may recommend those who have or show signs of lung problems - for example, lung cancer or difficulty breathing - to undergo a bronchoscopy.

In performing a diagnostic bronchoscopy, doctors may only wish to visualize the respiratory tract, or doctors may also collect samples of tissue or fluid. The samples can help diagnose patients' conditions or, if patients have cancer, they can be used for staging purposes. One method for sample collection is bronchoalveolar lavage. In a bronchoalveolar lavage, doctors inject saline (salt water) through the bronchoscope and then suction it out of the airways. The washout collected is tested for lung disorders. Doctors can also insert a biopsy tool to collect tissue or mucus samples. The following are biopsies that can be performed by bronchoscopy:

Brush biopsy, which uses a brush to collect samples.
Endobronchial biopsy, which uses the bronchoscope to guide forceps to sample lung tissue.
Transbronchial biopsy, which uses forceps and image guidance - such as X-rays, CT scans, or fluoroscopy - to sample lung tissue.
Transbronchial fine needle aspiration (TBNA), which uses a small needle to take samples of the lymph nodes or lungs.

For visualization, bronchoscopy can be done alone, or it can be combined with ultrasound. Endobronchial ultrasound (EBUS) allows real-time imaging of the airway and is used for diagnosing and staging lung cancer, as well as for determining where the cancer has spread. EBUS can be performed with TBNA, a procedure known as endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA).

Doctors can also use bronchoscopy as a treatment for lung problems. For example, if a foreign body is trapped in the airway, doctors can insert forceps through the bronchoscope to remove it. If the airway has become narrowed - which may occur if patients have an infection, cancer, or some other inflammatory issue - bronchoscopy can be used to place a device called a stent in the area of constriction. The stent will keep the airway open, allowing the patient to breathe properly.

During a bronchoscopy, patients will be given medication (sedative) to help them relax. If it is only a diagnostic bronchoscopy, patients will be kept awake, but if the bronchoscopy is for therapeutic purposes, patients will be put to sleep by general anesthesia. After the procedure, patients will need to stay in the hospital for a few hours. They will not be able to eat or drink for about 2 hours. Some patients may experience discomfort, such as a sore throat or pain while swallowing. Throat lozenges and gargling may help alleviate these symptoms, which should go away after a few days. Patients will need to have someone drive them home once their doctor determines that they are ready.

Joint Aspiration

A joint is any area of the body where two bones connect. Due to injury or disease, the space between the two bones can sometimes become swollen and inflamed, which leads to pain and a loss of mobility. Injection and aspiration are two tools that physicians use to treat joint pain locally without needing to perform surgery.

Both injection and aspiration are techniques that involve inserting a needle connected to a syringe directly into the joint. Aspiration involves the removal of excess fluid, and injection is the placement of medication directly into the joint space via the needle. Both procedures may be performed at the same time. In both cases a local anesthetic may be used, the skin will be cleaned and disinfected, and then the needle will be inserted. In some cases, especially if the injection or aspiration is in a large and deep joint such as the hip or spine, ultrasound may be used to guide the needle to the exact location desired.

In some cases, irritation to the joint can cause fluid to build up so significantly that the joint hurts and can no longer move well. Aspiration removes some of the excess fluid and relieves the pressure. In addition, aspiration can be used to provide a sample of joint fluid if it needs to be examined microscopically for the presence of white blood cells, bacteria, or crystal formations.

Certain injuries and diseases that affect joints are inflammatory in nature, such as rheumatoid arthritis, tendonitis or gout. These diseases may be helped by the local injection of anti-inflammatory medications directly into the affected joint. In this case, corticosteroids such as methylprednisone are usually used. Relief from the pain may be felt right away and may last for weeks or even months.

In some cases, such as with osteoarthritis, the cartilage buffer between the two bones wears down and pain comes from bones rubbing against each other. In this case, injection of a lubricating agent such as hyaluronic acid may be beneficial. It provides a slippery cushion between the bones to relieve pain that can last for months.

Lung Transplant

Patients who have very severe lung disease may need a lung transplant. The diseased lung is entirely removed and replaced with a healthy lung, usually donated by a person who died. Either one or both lungs can be transplanted.

Contrary to popular belief, lung transplant is rarely used to treat lung cancer. It is a more common treatment for patients with other advanced lung diseases, such as cystic fibrosis, sarcoidosis, pulmonary fibrosis, and chronic obstructive pulmonary disease (COPD). Lung transplant is a serious operation and is generally used as a last resort for patients who have only a short time to live without surgery.

During a transplant, an incision is made on the side of the chest (for a single lung) or in the middle (for both lungs). Patients may be hooked up to a heart-lung bypass machine, which will do the work of moving blood and oxygen through the body during the procedure. After the diseased lung is cut away from the main airway and blood vessels, the donor lung is stitched into place. Surgery may take as long as twelve hours, and a hospital stay of two to three weeks after surgery is not uncommon. For the first hours or day after surgery, patients use a ventilator, or a machine to help them breathe. Tubes will be inserted into the chest to help drain excess air and fluid. During recovery, physical therapy and breathing exercises are used to help the new lung work as well as possible.

Lung capacity is carefully monitored for several months after surgery. Patients who have had a transplant will also have to take anti-rejection drugs for the rest of their lives. These drugs stop the body's immune system from attacking the new lung. The main risks after a transplant are infection and rejection (when the immune system attacks the 'foreign' lung). A healthy lifestyle, including maintaining a diet high in vegetables and lean protein, not smoking, and getting enough exercise, is important to keeping the lungs functioning as well as possible. With proper care, many patients can live ten or even twenty years after a lung transplant.

Noteworthy Medicare Patient Procedures Performed by Dr. Zahir Yousaf, MD in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 10%

By Affordability:

pulmonary function test

pulmonary testing

In 2023, Dr. Zahir Yousaf, MD had a list price for pulmonary function test (PFT), and pulmonary testing that was lower than the list prices billed to Medicare by 90% of providers in related specialties within Maryland. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Top 25%

By Volume:

in-lab polysomnography

sleep study

sleep study with CPAP

By Affordability:

lung diffusion capacity test

lung volume test

In 2012, among providers in related specialties within Maryland, Dr. Zahir Yousaf, MD performed more in-lab polysomnography (overnight sleep study), sleep study, and sleep study with CPAP procedures for Medicare patients than 75% of them and he also had a list price for lung diffusion capacity test (DLCO), and lung volume test that was lower than the list prices billed to Medicare by 75% of them. Actual amounts paid by patients can vary widely depending on a number of factors, including insurance coverage. A lower list price, however, might mean lower fees when paying without insurance.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Zahir Yousaf, MD treated as a pulmonologist in Leonardtown, MD during 2012 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. Zahir Yousaf, MD for Medicare patients.

airway management	105
doctor visit	1936
hospital care	256
inpatient care	256
preventive care	203
pulmonary testing	129
sleep study	184
vaccines	203

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Zahir Yousaf, MD treated as a pulmonologist in Leonardtown, MD during 2013 were hospital care, inpatient care, preventive care and vaccines.

Volume of procedures performed by Dr. Zahir Yousaf, MD for Medicare patients.

airway management	91
doctor visit	1877
hospital care	330
inpatient care	330
preventive care	227
pulmonary testing	146
sleep study	176
vaccines	227

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Zahir Yousaf, MD.

**Gender**
Male	355
Female	372

**Ethnicity**
Non-Hispanic White	584
Black	123
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	315
From 75 to 84	250
85 and over	85
Less than 65	77

Conditions of Medicare patients treated by Dr. Zahir Yousaf, MD in 2013

Hypertension	75
High Cholesterol	75
Stroke	6
Ischemic Heart Disease	53
Depression	17
Chronic Kidney Disease	27
Asthma	14
Osteoperosis	6
Atrial Fibrilation	16
Heart Failure	24
Chronic Obstructive Pulmonary Disease	39
Diabetes	51
Dementia	12
Cancer	14

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Zahir Yousaf, MD treated as a pulmonologist in Leonardtown, MD during 2014 were preventive care, vaccines, pulmonary testing and hospital care.

Volume of procedures performed by Dr. Zahir Yousaf, MD for Medicare patients.

airway management	94
doctor visit	1868
ear procedures	11
hospital care	184
inpatient care	184
preventive care	203
pulmonary testing	192
sleep study	174
vaccines	203

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Zahir Yousaf, MD.

**Gender**
Male	361
Female	380

**Ethnicity**
Non-Hispanic White	597
Black	122
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	351
From 75 to 84	248
85 and over	76
Less than 65	66

Conditions of Medicare patients treated by Dr. Zahir Yousaf, MD in 2014

Hypertension	75
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	51
Depression	16
Chronic Kidney Disease	30
Asthma	15
Osteoperosis	6
Atrial Fibrilation	14
Heart Failure	23
Chronic Obstructive Pulmonary Disease	37
Diabetes	50
Dementia	10
Cancer	14

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Zahir Yousaf, MD treated as a pulmonologist in Leonardtown, MD during 2015 were pulmonary testing, preventive care, vaccines and sleep study.

Volume of procedures performed by Dr. Zahir Yousaf, MD for Medicare patients.

airway management	49
doctor visit	1863
hospital care	59
inpatient care	59
preventive care	166
pulmonary testing	217
sleep study	113
vaccines	154

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Zahir Yousaf, MD.

**Gender**
Male	692
Female	752

**Ethnicity**
Non-Hispanic White	1176
Black	222
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	654
From 75 to 84	504
85 and over	138
Less than 65	148

Conditions of Medicare patients treated by Dr. Zahir Yousaf, MD in 2015

Hypertension	75
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	54
Depression	17
Chronic Kidney Disease	31
Asthma	28
Osteoperosis	6
Atrial Fibrilation	15
Heart Failure	22
Chronic Obstructive Pulmonary Disease	37
Diabetes	53
Dementia	9
Cancer	13

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Zahir Yousaf, MD treated as a pulmonologist in Leonardtown, MD during 2016 were pulmonary testing, preventive care, vaccines and sleep study.

Volume of procedures performed by Dr. Zahir Yousaf, MD for Medicare patients.

airway management	92
doctor visit	1968
hospital care	86
inpatient care	86
preventive care	171
pulmonary testing	252
sleep study	161
vaccines	171

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Zahir Yousaf, MD.

**Gender**
Male	355
Female	397

**Ethnicity**
Non-Hispanic White	607
Black	120
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	341
From 75 to 84	274
85 and over	74
Less than 65	63

Conditions of Medicare patients treated by Dr. Zahir Yousaf, MD in 2016

Hypertension	75
High Cholesterol	75
Stroke	4
Ischemic Heart Disease	54
Depression	17
Chronic Kidney Disease	35
Asthma	46
Osteoperosis	5
Atrial Fibrilation	11
Heart Failure	21
Chronic Obstructive Pulmonary Disease	37
Diabetes	52
Dementia	11
Cancer	12

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Zahir Yousaf, MD treated as a pulmonologist in Leonardtown, MD during 2017 were pulmonary testing, sleep study, preventive care and vaccines.

Volume of procedures performed by Dr. Zahir Yousaf, MD for Medicare patients.

airway management	82
doctor visit	1931
preventive care	92
pulmonary testing	344
sleep study	138
vaccines	92

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Zahir Yousaf, MD.

**Gender**
Male	349
Female	404

**Ethnicity**
Non-Hispanic White	614
Black	113
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	333
From 75 to 84	289
85 and over	78
Less than 65	53

Conditions of Medicare patients treated by Dr. Zahir Yousaf, MD in 2017

Hypertension	75
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	55
Depression	19
Chronic Kidney Disease	35
Asthma	18
Osteoperosis	7
Atrial Fibrilation	14
Heart Failure	20
Chronic Obstructive Pulmonary Disease	40
Diabetes	50
Dementia	10
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Zahir Yousaf, MD treated as a pulmonologist in Leonardtown, MD during 2018 were pulmonary testing, sleep study, airway management and preventive care.

Volume of procedures performed by Dr. Zahir Yousaf, MD for Medicare patients.

airway management	87
doctor visit	2012
preventive care	41
pulmonary testing	204
sleep study	134
vaccines	41

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Zahir Yousaf, MD.

**Gender**
Male	354
Female	397

**Ethnicity**
Non-Hispanic White	610
Black	114
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	317
From 75 to 84	294
85 and over	77
Less than 65	63

Conditions of Medicare patients treated by Dr. Zahir Yousaf, MD in 2018

Hypertension	75
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	54
Depression	21
Chronic Kidney Disease	36
Asthma	15
Osteoperosis	6
Atrial Fibrilation	17
Heart Failure	22
Chronic Obstructive Pulmonary Disease	39
Diabetes	50
Dementia	9
Cancer	14

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Zahir Yousaf, MD treated as a pulmonologist in Leonardtown, MD during 2019 were pulmonary testing, sleep study, airway management and preventive care.

Volume of procedures performed by Dr. Zahir Yousaf, MD for Medicare patients.

airway management	60
doctor visit	1889
preventive care	50
pulmonary testing	189
sleep study	125
vaccines	50

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Zahir Yousaf, MD.

**Gender**
Male	361
Female	422

**Ethnicity**
Non-Hispanic White	630
Black	127
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	331
From 75 to 84	311
85 and over	80
Less than 65	61

Conditions of Medicare patients treated by Dr. Zahir Yousaf, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	57
Depression	21
Chronic Kidney Disease	37
Asthma	13
Osteoperosis	5
Atrial Fibrilation	16
Heart Failure	24
Chronic Obstructive Pulmonary Disease	38
Diabetes	47
Dementia	8
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Zahir Yousaf, MD treated as a pulmonologist in Leonardtown, MD during 2020 were pulmonary testing, preventive care, vaccines and sleep study.

Volume of procedures performed by Dr. Zahir Yousaf, MD for Medicare patients.

airway management	23
doctor visit	1347
preventive care	80
pulmonary testing	184
sleep study	55
vaccines	80

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Zahir Yousaf, MD.

**Gender**
Male	308
Female	322

**Ethnicity**
Non-Hispanic White	513
Black	92
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	277
From 75 to 84	258
85 and over	60
Less than 65	35

Conditions of Medicare patients treated by Dr. Zahir Yousaf, MD in 2020

Hypertension	75
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	57
Depression	20
Chronic Kidney Disease	36
Asthma	13
Osteoperosis	5
Atrial Fibrilation	16
Heart Failure	21
Chronic Obstructive Pulmonary Disease	37
Diabetes	49
Dementia	8
Cancer	12

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Zahir Yousaf, MD treated as a pulmonologist in Leonardtown, MD during 2021 were sleep study, pulmonary testing and airway management.

Volume of procedures performed by Dr. Zahir Yousaf, MD for Medicare patients.

airway management	37
doctor visit	1716
pulmonary testing	106
sleep study	129

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Zahir Yousaf, MD.

**Gender**
Male	337
Female	354

**Ethnicity**
Non-Hispanic White	553
Black	108
Hispanic	0
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	295
From 75 to 84	274
85 and over	81
Less than 65	41

Conditions of Medicare patients treated by Dr. Zahir Yousaf, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	5
Ischemic Heart Disease	56
Depression	14
Chronic Kidney Disease	35
Asthma	13
Osteoperosis	7
Atrial Fibrilation	15
Heart Failure	20
Chronic Obstructive Pulmonary Disease	35
Diabetes	47
Dementia	8
Cancer	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Zahir Yousaf, MD treated as a pulmonologist in Leonardtown, MD during 2022 were sleep study, pulmonary testing and airway management.

Volume of procedures performed by Dr. Zahir Yousaf, MD for Medicare patients.

airway management	62
doctor visit	1586
pulmonary testing	73
sleep study	159

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Zahir Yousaf, MD.

**Gender**
Male	328
Female	350

**Ethnicity**
Non-Hispanic White	543
Black	106
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	293
From 75 to 84	255
85 and over	91
Less than 65	39

Conditions of Medicare patients treated by Dr. Zahir Yousaf, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	45
Depression	13
Chronic Kidney Disease	25
Asthma	20
Osteoperosis	10
Atrial Fibrilation	21
Heart Failure	14
Chronic Obstructive Pulmonary Disease	36
Diabetes	47
Dementia	5
Cancer	17

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Zahir Yousaf, MD for Medicare patients.

The highest averages for the top procedures that Dr. Zahir Yousaf, MD treated as a pulmonologist in Leonardtown, MD were pulmonary testing, hospital care, inpatient care and sleep study.

airway management	71
doctor visit	1817
ear procedures	11
hospital care	183
inpatient care	183
preventive care	137
pulmonary testing	185
sleep study	140
vaccines	135

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Zahir Yousaf, MD.

**Gender**
Male	345
Female	377

**Ethnicity**
Black / African American	113
Asian / Pacific Islander	0
Non-Hispanic White	584
Native American / Alaskan Native	0
Hispanic	0
Other	3

**Age**
75 to 84	268
85 and over	76
Less than 65	58
65 to 74	318

Average of Total of Conditions of Medicare patients treated by Dr. Zahir Yousaf, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Zahir Yousaf, MD treated were high cholesterol, hypertension, ischemic heart disease and diabetes.

Hypertension	68
High Cholesterol	68
Stroke	5
Ischemic Heart Disease	48
Depression	15
Chronic Kidney Disease	29
Asthma	17
Osteoporosis	5
Heart Failure	19
Chronic Obstructive Pulmonary Disease	34
Diabetes	45
Atrial Fibrillation	14
Dementia	8
Cancer	12

Education & Training

Dr. Zahir Yousaf, MD graduated from Khyber Medical College. He completed residency at Saint Peter's University Hospital. He is certified by the Board Certification: Sleep Medicine and has a state license in Maryland.

Medical School: Khyber Medical College

Residency: Saint Peter's University Hospital (1978)

Board Certification: Board Certification: Sleep Medicine

Licensed In: Maryland

Affiliations & Hospitals

Dr. Zahir Yousaf, MD is associated with these hospitals and organizations:

CalvertHealth

MedStar Health

MedStar St. Mary s Hospital

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General Payments

These charts describe general payments received by Dr. Zahir Yousaf, MD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Boehringer Ingelheim Pharmaceuticals, Inc.	$171 Spiriva $105	COMBIVENT RESPIMAT $38	OFEV $16	SPIRIVA RESPIMAT $13
Janssen Pharmaceuticals, Inc	$108 XARELTO $57	INVOKANA $52
AstraZeneca Pharmaceuticals LP	$77 SYMBICORT $42	DALIRESP $22	AIRSUPRA $13
GlaxoSmithKline, LLC.	$45 BREO $17	ANORO ELLIPTA $16	ANORO $12
Resmed Corp	$36 Sleep Disordered Breathing $36
Other	$154 Brovana $30	BioTherapeutics - GLASSIA $22	High Frequency Chest Compression Device $18	Benicar $14	GLYXAMBI $13	Other $57

**Types of Payments**
Food and Beverage	$487
Education	$105

Biography

Dr. Zahir Yousaf's areas of specialization are sleep medicine and adult pulmonology. Clinical interests for Dr. Yousaf include wedge resection, pneumothorax, and aspiration pneumonia. Dr. Yousaf is affiliated with MedStar Health and CalvertHealth. He attended medical school at Khyber Medical College. His medical residency was performed at Saint Peter's University Hospital.