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Home > MD Providers > Obstetricians & Gynecologists: OB-GYNs

Dr. Robert O. Atlas, MD

Accepting New Patients

(Robert Atlas, M.D.)

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Specializes in: Obstetrics & Gynecology, General Surgery, General Practice and Maternal and Fetal Medicine

Thomas Jefferson University, Jefferson Medical College

345 ST. PAUL PLACE
BALTIMORE, MD 21202

(410) 332-9192

Dr. Robert O. Atlas, MD is an obstetrician and gynecologist in BALTIMORE, MD specializing in obstetrics & gynecology, general surgery, general practice and maternal and fetal medicine. He graduated from Thomas Jefferson University, Jefferson Medical College. Dr. Robert O. Atlas, MD is affiliated with Mercy Hospital and University of Maryland Medical System.

Office Locations

345 ST. PAUL PLACE
BALTIMORE, MD 21202

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In The News (see more mentions in the news)

“Dr. Robert Atlas from Mercy Medical Center discussed what's driving the shift.”—"Maryland doctor shares how women over 40 are pushing America's birthrate forward", CBS News, March 2026

“Mercy doesn't have a magic bullet for this problem, said Dr. Robert Atlas, the downtown Baltimore hospital's chair of obstetrics and gynecology.”—"1 in 5 maternal deaths are from suicide. Why is it so hard to get help?", The Columbian, March 2024

“Dr. Robert Atlas, who leads obstetrics and gynecology at Mercy Medical Center, said the difference is in how many are occurring and how long it lasts.”—"'Braxton Hicks' contractions explained", Yahoo News, March 2022

Noteworthy Medicare Patient Procedures Performed by Dr. Robert O. Atlas, MD in 2023

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

Top 5%

By Volume:

abdominal duplex ultrasound

duplex ultrasound

pelvic ultrasound

pregnancy ultrasound

testicular duplex ultrasound

transabdominal obstetric ultrasound

ultrasound

umbilical artery Doppler

vascular procedures

By Affordability:

prenatal testing

In 2023, among providers in related specialties within Maryland, Dr. Robert O. Atlas, MD performed more abdominal duplex ultrasound, duplex ultrasound, pelvic ultrasound, pregnancy ultrasound, testicular duplex ultrasound, transabdominal obstetric ultrasound, ultrasound (sonogram), umbilical artery Doppler, and vascular procedures procedures for Medicare patients than 95% of them and he also had a list price for prenatal testing that was lower than the list prices billed to Medicare by 95% 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. Robert O. Atlas, MD treated as an obstetrician and gynecologist in BALTIMORE, MD during 2012 were prenatal testing, ultrasound (sonogram), pelvic imaging and diagnostic procedures.

Volume of procedures performed by Dr. Robert O. Atlas, MD for Medicare patients.

abdominal imaging	23
diagnostic procedures	25
hospital care	24
obstetrical procedures	21
outpatient care	24
pelvic imaging	44
prenatal testing	46
ultrasound (sonogram)	44
vascular procedures	23
women's imaging	21

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Robert O. Atlas, MD treated as an obstetrician and gynecologist in BALTIMORE, MD during 2013 were ultrasound (sonogram), pelvic imaging, prenatal testing and obstetrical procedures.

Volume of procedures performed by Dr. Robert O. Atlas, MD for Medicare patients.

abdominal imaging	56
diagnostic procedures	73
hospital care	44
obstetrical procedures	120
outpatient care	44
pelvic imaging	176
prenatal testing	168
ultrasound (sonogram)	176
vascular procedures	56
women's imaging	120

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert O. Atlas, MD.

**Gender**
Male	0
Female	37

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	37

Conditions of Medicare patients treated by Dr. Robert O. Atlas, MD in 2013

Hypertension	30
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	43
Chronic Kidney Disease	0
Asthma	35
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Robert O. Atlas, MD treated as an obstetrician and gynecologist in BALTIMORE, MD during 2014 were prenatal testing, ultrasound (sonogram), pelvic imaging and obstetrical procedures.

Volume of procedures performed by Dr. Robert O. Atlas, MD for Medicare patients.

abdominal imaging	32
diagnostic procedures	34
hospital care	24
obstetrical procedures	43
outpatient care	24
pelvic imaging	75
prenatal testing	77
ultrasound (sonogram)	75
vascular procedures	32
women's imaging	43

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert O. Atlas, MD.

**Gender**
Male	0
Female	28

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	28

Conditions of Medicare patients treated by Dr. Robert O. Atlas, MD in 2014

Hypertension	0
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	39
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Robert O. Atlas, MD treated as an obstetrician and gynecologist in BALTIMORE, MD during 2015 were ultrasound (sonogram), pelvic imaging, prenatal testing and obstetrical procedures.

Volume of procedures performed by Dr. Robert O. Atlas, MD for Medicare patients.

abdominal imaging	40
diagnostic procedures	14
hospital care	20
obstetrical procedures	44
outpatient care	20
pelvic imaging	84
prenatal testing	58
ultrasound (sonogram)	84
vascular procedures	40
women's imaging	44

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert O. Atlas, MD.

**Gender**
Male	0
Female	52

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	52

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Robert O. Atlas, MD treated as an obstetrician and gynecologist in BALTIMORE, MD during 2016 were ultrasound (sonogram), pelvic imaging, prenatal testing and obstetrical procedures.

Volume of procedures performed by Dr. Robert O. Atlas, MD for Medicare patients.

abdominal imaging	26
obstetrical procedures	26
pelvic imaging	52
prenatal testing	26
ultrasound (sonogram)	52
vascular procedures	26
women's imaging	26

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert O. Atlas, MD.

**Gender**
Male	0
Female	18

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	18

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Robert O. Atlas, MD treated as an obstetrician and gynecologist in BALTIMORE, MD during 2017 were ultrasound (sonogram), pelvic imaging, prenatal testing and obstetrical procedures.

Volume of procedures performed by Dr. Robert O. Atlas, MD for Medicare patients.

abdominal imaging	54
obstetrical procedures	107
pelvic imaging	161
prenatal testing	107
ultrasound (sonogram)	161
vascular procedures	54
women's imaging	107

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert O. Atlas, MD.

**Gender**
Male	0
Female	21

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	21

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Robert O. Atlas, MD treated as an obstetrician and gynecologist in BALTIMORE, MD during 2018 were ultrasound (sonogram), pelvic imaging, prenatal testing and obstetrical procedures.

Volume of procedures performed by Dr. Robert O. Atlas, MD for Medicare patients.

abdominal imaging	55
obstetrical procedures	84
pelvic imaging	139
prenatal testing	84
ultrasound (sonogram)	139
vascular procedures	55
women's imaging	84

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert O. Atlas, MD.

**Gender**
Male	0
Female	21

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	21

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Robert O. Atlas, MD treated as an obstetrician and gynecologist in BALTIMORE, MD during 2019 were ultrasound (sonogram), pelvic imaging, prenatal testing and obstetrical procedures.

Volume of procedures performed by Dr. Robert O. Atlas, MD for Medicare patients.

abdominal imaging	47
obstetrical procedures	85
pelvic imaging	132
prenatal testing	85
ultrasound (sonogram)	132
vascular procedures	47
women's imaging	85

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert O. Atlas, MD.

**Gender**
Male	0
Female	18

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	18

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Robert O. Atlas, MD treated as an obstetrician and gynecologist in BALTIMORE, MD during 2020 were ultrasound (sonogram), pelvic imaging, prenatal testing and obstetrical procedures.

Volume of procedures performed by Dr. Robert O. Atlas, MD for Medicare patients.

abdominal imaging	58
obstetrical procedures	119
pelvic imaging	177
prenatal testing	119
ultrasound (sonogram)	177
vascular procedures	58
women's imaging	119

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert O. Atlas, MD.

**Gender**
Male	0
Female	27

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	27

Conditions of Medicare patients treated by Dr. Robert O. Atlas, MD in 2020

Hypertension	0
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	48
Chronic Kidney Disease	0
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Robert O. Atlas, MD treated as an obstetrician and gynecologist in BALTIMORE, MD during 2021 were ultrasound (sonogram), pelvic imaging, prenatal testing and obstetrical procedures.

Volume of procedures performed by Dr. Robert O. Atlas, MD for Medicare patients.

abdominal imaging	27
obstetrical procedures	28
pelvic imaging	55
prenatal testing	28
ultrasound (sonogram)	55
vascular procedures	27
women's imaging	28

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert O. Atlas, MD.

**Gender**
Male	0
Female	13

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	13

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Robert O. Atlas, MD treated as an obstetrician and gynecologist in BALTIMORE, MD during 2022 were ultrasound (sonogram), pelvic imaging, prenatal testing and obstetrical procedures.

Volume of procedures performed by Dr. Robert O. Atlas, MD for Medicare patients.

abdominal imaging	39
obstetrical procedures	58
pelvic imaging	97
prenatal testing	58
ultrasound (sonogram)	97
vascular procedures	39
women's imaging	58

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Robert O. Atlas, MD.

**Gender**
Male	0
Female	18

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	18

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Robert O. Atlas, MD for Medicare patients.

The highest averages for the top procedures that Dr. Robert O. Atlas, MD treated as an obstetrician and gynecologist in BALTIMORE, MD were ultrasound (sonogram), pelvic imaging, prenatal testing and obstetrical procedures.

abdominal imaging	41
diagnostic procedures	36
hospital care	28
obstetrical procedures	66
outpatient care	28
pelvic imaging	108
prenatal testing	77
ultrasound (sonogram)	108
vascular procedures	41
women's imaging	66

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Robert O. Atlas, MD.

**Gender**
Male	0
Female	23

**Age**
75 to 84	0
85 and over	0
Less than 65	23
65 to 74	0

Average of Total of Conditions of Medicare patients treated by Dr. Robert O. Atlas, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Robert O. Atlas, MD treated were depression, asthma and hypertension.

Hypertension	2
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	8
Chronic Kidney Disease	0
Asthma	6
Osteoporosis	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Atrial Fibrillation	0
Dementia	0
Cancer	0

Education & Training

Dr. Robert O. Atlas, MD graduated from Thomas Jefferson University, Jefferson Medical College. He completed residency at University of Maryland Medical Center. He is certified by the American Board of Obstetrics and Gynecology - Maternal and Fetal Medicine, American Board of Obstetrics and Gynecology - Obstetrics and Gynecology and has a state license in Maryland.

Medical School: Thomas Jefferson University, Jefferson Medical College

Residency: University of Maryland Medical Center (1991)

Board Certification: American Board of Obstetrics and Gynecology - Maternal and Fetal Medicine, American Board of Obstetrics and Gynecology - Obstetrics and Gynecology (1998)

Licensed In: Maryland

Affiliations & Hospitals

Dr. Robert O. Atlas, MD is associated with these hospitals and organizations:

Mercy Hospital

University of Maryland Medical System

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General Payments

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

**Payments by Company**
GE Healthcare	$300 Ultrasound $175	VOLUSON $53	$73
Smith & Nephew, Inc.	$114 GYN $114
Gen-Probe, Inc.	$107 Vaginitis $107
Avanos Medical	$52 ON-Q PUMP AND ACCESSORIES $36	ON-Q* PUMP AND ACCESSORIES $17
Ethicon US, LLC	$34 EVARREST $21	STRATAFIX $13
Other	$25 Curosurf $25

**Types of Payments**
Food and Beverage	$632

Biography

Dr. Robert Atlas is a Baltimore, MD physician who specializes in general practice, maternal and fetal medicine, and general surgery. Dr. Atlas's professional affiliations include the University of Maryland Medical System and Mercy Hospital. His education and training includes medical school at Thomas Jefferson University, Jefferson Medical College and residency at the University of Maryland Medical Center. His practice in BALTIMORE, MD is open to new patients as reported by Yext.