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Dr. Kai H. Yang, MD

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Specializes in: Adult Endocrinology

Johns Hopkins University School of Medicine (1988)

Professional interests include: hirsutism (excessive hair growth), cholesterol problems (lipid disorders), osteoporosis, and more.

200 Orchard Street #207
New Haven, CT 06511

(203) 776-4444

Dr. Kai H. Yang, MD is an endocrinologist in Hamden, CT specializing in adult endocrinology. She graduated from Johns Hopkins University School of Medicine in 1988 and has 38 years of experience. Dr. Kai H. Yang, MD is affiliated with Yale New Haven Health and ENDOCRINE ASSOC OF CT LLC.

Office Locations

Yale New Haven Health

1952 Whitney Avenue Suite 14
Hamden, CT 06517

(203) 776-4441

open_in_new

200 Orchard Street #207
New Haven, CT 06511

(203) 776-4444

(203) 776-4441

open_in_new

Some issues Dr. Kai H. Yang, MD can help you with:

Polycystic Ovary Syndrome (PCOS)

Polycystic ovarian syndrome is a common endocrine disorder that causes symptoms such as acne, facial hair, and weight gain. It is often diagnosed when patients experience problems getting pregnant, because PCOS can interfere with ovulation. There is no cure for PCOS, but there are effective treatments that can lessen the severity of the symptoms.

Despite the name, not everyone with polycystic ovarian syndrome develops cysts on their ovaries. It is also possible to have ovarian cysts without having PCOS. The symptoms of polycystic ovarian syndrome are actually related to insulin resistance, a condition where the insulin made by the body is not effectively recognized by the cells. This causes the pancreas to release higher levels of insulin in order to keep blood sugar levels stable, and the excess insulin interferes with hormone production in the pituitary and ovaries, causing the PCOS symptoms.

The symptoms of PCOS include:

Weight gain
Acne
Facial or body hair
Thinning head hair
Missing or irregular periods
Infertility

PCOS is a syndrome, which means that if patients have PCOS, they might not have each and every symptom. Even a few of them might be enough to have physicians check for polycystic ovarian syndrome. A doctor might perform an exam and order blood tests to measure hormone levels.

Treatment for PCOS may include:

Insulin sensitizers, which help the body use insulin more effectively, lowering hormone levels. The most commonly used insulin sensitizer is metformin.
Weight loss. Being overweight does not cause PCOS, and PCOS can make losing weight difficult. Still, weight loss can improve symptoms for many women.
Birth control pills to regulate menstruation and sometimes reduce symptoms such as acne.
Fertility medications, especially medications to stimulate ovulation such as clomiphene.
Anti-androgen medications, which work to treat symptoms such as acne and facial hair.
Low-carb diets, which work similarly to insulin sensitizers to lower hormone levels and help reduce weight.
Ovarian drilling or resectioning, surgical procedures sometimes performed if infertility is a persistent problem. These procedures open up the wall of the ovary to temporarily make ovulation more likely.

Polycystic ovarian syndrome is one of the most common endocrine disorders affecting women. Left untreated, it can increase the risk of diabetes, heart disease, and certain cancers. Fortunately there are many good treatment options available.

Thyroid Problems

Thyroid problems are a group of conditions that alter hormone regulation and metabolism. The thyroid is a small, butterfly-shaped gland located in the lower neck, just below the Adam's apple (laryngeal prominence) and larynx (voice box). Despite its small size, the thyroid has an outsized effect on the body by regulating hormones that control metabolism. Metabolism is the body's process of converting consumed food into fuel to power the entire body. Heart rate, weight, cholesterol, body temperature, and even physical growth and development are all affected by the metabolism.

When the thyroid malfunctions, the body is unable to properly process and allocate energy. Thyroid problems, such as hyperthyroidism (overactive thyroid) and hypothyroidism (underactive thyroid), cause irregular metabolism. In some cases, the body produces antibodies that attack the thyroid cells for unknown reasons. The damaged thyroid responds by releasing either too little or too much T3 and T4 thyroid hormones. Thyroid malfunctions may also arise from genetic causes or iodine deficiency. Thyroid problems may include:

Hashimoto's thyroiditis, an autoimmune disease that causes hypothyroidism
Graves' disease, an autoimmune disease that causes hyperthyroidism
Goiter
Thyroid nodule
Thyroid cancer

Hashimoto's is the leading cause of hypothyroidism, which is when the thyroid does not produce enough hormones to stimulate adequate metabolism. The condition is diagnosed by blood tests that measure TSH (thyroid stimulating hormone) and detect Hashimoto's antibodies. Symptoms of hypothyroidism include sluggish metabolism, inflammation, fatigue, weight gain, brittle hair, dry skin, and sensitivity to cold. To supplement impaired thyroid function, patients with Hashimoto's are typically prescribed synthetic thyroid hormone pills. Such patients may need to consume synthetic thyroids for the rest of their lives. Other treatments may include dietary changes, such as the avoidance of certain foods and medication to reduce inflammation. Frequent blood tests can inform patients if their TSH levels are within a normal range.

Grave's disease is most frequently the cause of hyperthyroidism, which is when the thyroid produces too many hormones, overstimulating one's metabolism. The condition is also diagnosed by blood tests that measure TSH and detect Grave's antibodies. Elevated heart rate, high blood pressure, sweating, bulging eyes, and weight loss are common symptoms of hyperthyroidism. Treatments for hyperthyroidism include oral radioactive iodine, which slowly shrinks the thyroid, slowing the production of excess thyroid hormone. Other anti-thyroid medications such as methimazole (Tapazole) also reduce the production of thyroid hormones. Blood pressure medications known as beta blockers can ease the increased heart rate caused by hyperthyroidism. If treatments are unsuccessful, patients may be prescribed a thyroidectomy, or surgery to remove part or all of the thyroid. Some patients with hyperthyroidism may require ophthalmological (eye medicine) treatments such as eye drops, prednisone, and surgery to reduce eye swelling and bulging.

Untreated thyroid disorders frequently lead to goiters or thyroid nodules. A thyroid goiter is a large lump that can be felt near the base of the neck and is made of swollen thyroid tissue or nodules (excess cell growth). Nodules and goiters are diagnosed by CT scan or ultrasound. Obstructive goiters can cause pain, coughing, and abnormal breathing. The most common cause of goiters is hyperthyroidism (overactive thyroid). However, Hashimoto's is also known to cause goiters or nodules. Goiters develop from continued damage from antibodies to the thyroid over time. At times, a goiter can result from a cancerous thyroid tumor. Most goiters and nodules are themselves benign.

The exact causes of thyroid cancer are unknown. People who develop thyroid cancer may or may not have another thyroid problem such as Hashimoto's or Grave's disease. Symptoms of thyroid cancer include a nodule that can be felt on the neck, hoarseness, difficulty swallowing, swelling in the neck, and neck and throat pain. CT and MRI scans are used to diagnose thyroid cancer. There are four types of thyroid cancer which vary in intensity. Thyroidectomy (thyroid removal surgery) is usually prescribed to treat thyroid cancer.

Thyroid problems are often long-term conditions that require some form of treatment. With regular monitoring and medication, many people with thyroid problems are able to lead active and fulfilling lives.

Noteworthy Medicare Patient Procedures Performed by Dr. Kai H. Yang, MD in 2023

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

Top 5%

By Affordability:

A1C test

diabetes screening

glycated protein test

In 2023, Dr. Kai H. Yang, MD had a list price for A1C test, diabetes screening, and glycated protein test that was lower than the list prices billed to Medicare by 95% of providers in related specialties within Connecticut. 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 Affordability:

blood tests

diabetes management

lab tests

In 2012, Dr. Kai H. Yang, MD had a list price for blood tests, diabetes management, and lab tests that was lower than the list prices billed to Medicare by 75% of providers in related specialties within Connecticut. 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

Volume of procedures performed by Dr. Kai H. Yang, MD for Medicare patients.

doctor visit	352

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Kai H. Yang, MD for Medicare patients.

doctor visit	360

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Kai H. Yang, MD.

**Gender**
Male	53
Female	186

**Ethnicity**
Non-Hispanic White	201
Black	16
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	130
From 75 to 84	69
85 and over	20
Less than 65	20

Conditions of Medicare patients treated by Dr. Kai H. Yang, MD in 2013

Hypertension	71
High Cholesterol	70
Stroke	0
Ischemic Heart Disease	36
Depression	18
Chronic Kidney Disease	25
Asthma	11
Osteoperosis	18
Atrial Fibrilation	10
Heart Failure	14
Chronic Obstructive Pulmonary Disease	10
Diabetes	52
Dementia	5
Cancer	15

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Kai H. Yang, MD treated as an endocrinologist in Hamden, CT during 2014 were preventive care and vaccines.

Volume of procedures performed by Dr. Kai H. Yang, MD for Medicare patients.

doctor visit	417
preventive care	15
vaccines	15

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Kai H. Yang, MD.

**Gender**
Male	62
Female	192

**Ethnicity**
Non-Hispanic White	216
Black	20
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	130
From 75 to 84	80
85 and over	21
Less than 65	23

Conditions of Medicare patients treated by Dr. Kai H. Yang, MD in 2014

Hypertension	74
High Cholesterol	72
Stroke	6
Ischemic Heart Disease	34
Depression	20
Chronic Kidney Disease	26
Asthma	12
Osteoperosis	19
Atrial Fibrilation	11
Heart Failure	16
Chronic Obstructive Pulmonary Disease	11
Diabetes	54
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Kai H. Yang, MD treated as an endocrinologist in Hamden, CT during 2015 were lab tests, diabetes management, preventive care and vaccines.

Volume of procedures performed by Dr. Kai H. Yang, MD for Medicare patients.

diabetes management	196
doctor visit	451
lab tests	196
preventive care	70
vaccines	13

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Kai H. Yang, MD.

**Gender**
Male	144
Female	410

**Ethnicity**
Non-Hispanic White	478
Black	30
Hispanic	0
Asian	0
Other	22
Native American	0

**Age**
From 65 to 74	308
From 75 to 84	158
85 and over	50
Less than 65	38

Conditions of Medicare patients treated by Dr. Kai H. Yang, MD in 2015

Hypertension	75
High Cholesterol	72
Stroke	7
Ischemic Heart Disease	34
Depression	19
Chronic Kidney Disease	35
Asthma	14
Osteoperosis	22
Atrial Fibrilation	10
Heart Failure	18
Chronic Obstructive Pulmonary Disease	15
Diabetes	52
Dementia	5
Cancer	10

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Kai H. Yang, MD treated as an endocrinologist in Hamden, CT during 2016 were lab tests, diabetes management, preventive care and hospital care.

Volume of procedures performed by Dr. Kai H. Yang, MD for Medicare patients.

diabetes management	327
doctor visit	490
hospital care	26
inpatient care	26
lab tests	327
preventive care	99
vaccines	12

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Kai H. Yang, MD.

**Gender**
Male	83
Female	236

**Ethnicity**
Non-Hispanic White	272
Black	22
Hispanic	11
Asian	0
Other	14
Native American	0

**Age**
From 65 to 74	168
From 75 to 84	87
85 and over	33
Less than 65	31

Conditions of Medicare patients treated by Dr. Kai H. Yang, MD in 2016

Hypertension	73
High Cholesterol	65
Stroke	6
Ischemic Heart Disease	33
Depression	22
Chronic Kidney Disease	43
Asthma	20
Osteoperosis	22
Atrial Fibrilation	11
Heart Failure	18
Chronic Obstructive Pulmonary Disease	12
Diabetes	54
Dementia	6
Cancer	16

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Kai H. Yang, MD treated as an endocrinologist in Hamden, CT during 2017 were lab tests, diabetes management, preventive care and vaccines.

Volume of procedures performed by Dr. Kai H. Yang, MD for Medicare patients.

diabetes management	292
doctor visit	483
lab tests	292
preventive care	81
vaccines	13

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Kai H. Yang, MD.

**Gender**
Male	82
Female	238

**Ethnicity**
Non-Hispanic White	265
Black	24
Hispanic	0
Asian	0
Other	18
Native American	0

**Age**
From 65 to 74	170
From 75 to 84	95
85 and over	26
Less than 65	29

Conditions of Medicare patients treated by Dr. Kai H. Yang, MD in 2017

Hypertension	72
High Cholesterol	60
Stroke	6
Ischemic Heart Disease	30
Depression	26
Chronic Kidney Disease	44
Asthma	16
Osteoperosis	25
Atrial Fibrilation	11
Heart Failure	17
Chronic Obstructive Pulmonary Disease	15
Diabetes	48
Dementia	7
Cancer	13

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Kai H. Yang, MD treated as an endocrinologist in Hamden, CT during 2018 were lab tests, diabetes management, preventive care and vaccines.

Volume of procedures performed by Dr. Kai H. Yang, MD for Medicare patients.

diabetes management	269
doctor visit	481
lab tests	269
preventive care	80
vaccines	13

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Kai H. Yang, MD.

**Gender**
Male	81
Female	230

**Ethnicity**
Non-Hispanic White	265
Black	14
Hispanic	15
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	155
From 75 to 84	105
85 and over	29
Less than 65	22

Conditions of Medicare patients treated by Dr. Kai H. Yang, MD in 2018

Hypertension	72
High Cholesterol	65
Stroke	4
Ischemic Heart Disease	32
Depression	25
Chronic Kidney Disease	42
Asthma	10
Osteoperosis	23
Atrial Fibrilation	12
Heart Failure	18
Chronic Obstructive Pulmonary Disease	15
Diabetes	50
Dementia	7
Cancer	12

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Kai H. Yang, MD treated as an endocrinologist in Hamden, CT during 2019 were lab tests, diabetes management, preventive care and vaccines.

Volume of procedures performed by Dr. Kai H. Yang, MD for Medicare patients.

diabetes management	185
doctor visit	383
lab tests	185
preventive care	51
vaccines	12

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Kai H. Yang, MD.

**Gender**
Male	67
Female	216

**Ethnicity**
Non-Hispanic White	237
Black	17
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	134
From 75 to 84	102
85 and over	26
Less than 65	21

Conditions of Medicare patients treated by Dr. Kai H. Yang, MD in 2019

Hypertension	69
High Cholesterol	70
Stroke	5
Ischemic Heart Disease	31
Depression	30
Chronic Kidney Disease	41
Asthma	12
Osteoperosis	28
Atrial Fibrilation	11
Heart Failure	18
Chronic Obstructive Pulmonary Disease	13
Diabetes	44
Dementia	8
Cancer	13

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Kai H. Yang, MD treated as an endocrinologist in Hamden, CT during 2020 were lab tests, diabetes management, hospital care and inpatient care.

Volume of procedures performed by Dr. Kai H. Yang, MD for Medicare patients.

diabetes management	78
doctor visit	295
hospital care	30
inpatient care	30
lab tests	78
preventive care	19

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Kai H. Yang, MD.

**Gender**
Male	64
Female	222

**Ethnicity**
Non-Hispanic White	246
Black	0
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	139
From 75 to 84	99
85 and over	26
Less than 65	22

Conditions of Medicare patients treated by Dr. Kai H. Yang, MD in 2020

Hypertension	67
High Cholesterol	67
Stroke	7
Ischemic Heart Disease	29
Depression	29
Chronic Kidney Disease	43
Asthma	11
Osteoperosis	27
Atrial Fibrilation	9
Heart Failure	17
Chronic Obstructive Pulmonary Disease	10
Diabetes	45
Dementia	10
Cancer	11

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Kai H. Yang, MD treated as an endocrinologist in Hamden, CT during 2021 were lab tests, diabetes management, preventive care and hospital care.

Volume of procedures performed by Dr. Kai H. Yang, MD for Medicare patients.

diabetes management	133
doctor visit	342
hospital care	16
inpatient care	16
lab tests	133
preventive care	34

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Kai H. Yang, MD.

**Gender**
Male	61
Female	213

**Ethnicity**
Non-Hispanic White	236
Black	16
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	125
From 75 to 84	100
85 and over	27
Less than 65	22

Conditions of Medicare patients treated by Dr. Kai H. Yang, MD in 2021

Hypertension	68
High Cholesterol	74
Stroke	5
Ischemic Heart Disease	28
Depression	30
Chronic Kidney Disease	39
Asthma	12
Osteoperosis	32
Atrial Fibrilation	9
Heart Failure	19
Chronic Obstructive Pulmonary Disease	8
Diabetes	46
Dementia	10
Cancer	12

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Kai H. Yang, MD treated as an endocrinologist in Hamden, CT during 2022 were lab tests, diabetes management, preventive care and hospital care.

Volume of procedures performed by Dr. Kai H. Yang, MD for Medicare patients.

diabetes management	144
doctor visit	340
hospital care	13
inpatient care	13
lab tests	144
preventive care	41

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Kai H. Yang, MD.

**Gender**
Male	60
Female	230

**Ethnicity**
Non-Hispanic White	250
Black	11
Hispanic	0
Asian	0
Other	16
Native American	0

**Age**
From 65 to 74	137
From 75 to 84	102
85 and over	36
Less than 65	15

Conditions of Medicare patients treated by Dr. Kai H. Yang, MD in 2022

Hypertension	72
High Cholesterol	75
Stroke	9
Ischemic Heart Disease	26
Depression	24
Chronic Kidney Disease	24
Asthma	15
Osteoperosis	36
Atrial Fibrilation	16
Heart Failure	19
Chronic Obstructive Pulmonary Disease	13
Diabetes	45
Dementia	7
Cancer	14

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2022

Volume of procedures performed by Dr. Kai H. Yang, MD for Medicare patients.

The highest averages for the top procedures that Dr. Kai H. Yang, MD treated as an endocrinologist in Hamden, CT were lab tests, diabetes management, preventive care and hospital care.

diabetes management	203
doctor visit	399
hospital care	21
inpatient care	21
lab tests	203
preventive care	54
vaccines	13

Average Medicare Patient Data From 2012 - 2022

Information about Medicare patients treated by Dr. Kai H. Yang, MD.

**Gender**
Male	68
Female	215

**Ethnicity**
Black / African American	15
Asian / Pacific Islander	0
Non-Hispanic White	242
Hispanic	2
Native American / Alaskan Native	0
Other	9

**Age**
75 to 84	90
85 and over	26
Less than 65	22
65 to 74	145

Average of Total of Conditions of Medicare patients treated by Dr. Kai H. Yang, MD From 2012 - 2022

The highest averages of the most common conditions of Medicare patients that Dr. Kai H. Yang, MD treated were hypertension, high cholesterol, diabetes and chronic kidney disease.

Hypertension	64
High Cholesterol	62
Stroke	5
Ischemic Heart Disease	28
Depression	22
Chronic Kidney Disease	32
Asthma	12
Osteoporosis	22
Heart Failure	15
Chronic Obstructive Pulmonary Disease	11
Diabetes	44
Atrial Fibrillation	10
Cancer	11
Dementia	6

Education & Training

Dr. Kai H. Yang, MD graduated from Johns Hopkins University School of Medicine in 1988. She completed residency at Yale-New Haven Hospital. She has a state license in Connecticut.

Medical School: Johns Hopkins University School of Medicine (1988)

Residency: Yale-New Haven Hospital

Licensed In: Connecticut

Affiliations & Hospitals

Dr. Kai H. Yang, MD is associated with these hospitals and organizations:

Yale New Haven Health

ENDOCRINE ASSOC OF CT LLC

Insurance Information

Please note: Insurance information may change at any time, and the provider may accept your insurance plan even if it is not listed below. Please contact the provider's office to confirm that your insurance is accepted.

Dr. Kai H. Yang, MD appears to accept the following insurance providers: ConnectiCare, Health Net, Cigna, Aetna, Anthem, United Healthcare, Oxford Health Plans and TRICARE/CHAMPUS.

Insurance Accepted by Provider includes:

According to our sources, Dr. Kai H. Yang, MD accepts the following insurance providers:

ConnectiCare

Health Net

Cigna

Aetna

Anthem

United Healthcare

Oxford Health Plans

TRICARE/CHAMPUS

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General Payments

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

**Payments by Company**
Novo Nordisk Inc	$4,061 Ozempic $1,166	Victoza $1,031	Saxenda $369	RYBELSUS $258	Tresiba $231	Other $1,005
Lilly USA, LLC	$2,257 TRULICITY $974	FORTEO $221	HUMALOG $157	TRADJENTA $141	BASAGLAR $135	Other $629
Amgen Inc.	$1,762 Repatha $828	Prolia $364	EVENITY $250	$321
AstraZeneca Pharmaceuticals LP	$1,495 FARXIGA $1,149	BYDUREON PEN $122	BYDUREON $79	CRESTOR $27	ONGLYZA $17	Other $100
SANOFI-AVENTIS U.S. LLC	$1,125 TOUJEO $377	SOLIQUA 100/33 $299	LANTUS $230	AFREZZA $76	SOLIQUA $63	Other $80
Other	$11,235 Omnipod $751	Synthroid $685	JARDIANCE $525	Korlym $505	Unithroid $441	Other $8,328

**Types of Payments**
Food and Beverage	$21,296
Education	$558
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$81

Biography

Dr. Kai Yang is a specialist in adult endocrinology. These areas are among her clinical interests: childhood obesity, paget's disease, and pituitary tumor. Anthem, Health Net, and ConnectiCare seem to be the insurance carriers that Dr. Yang accepts. Dr. Yang is a graduate of Johns Hopkins University School of Medicine and a graduate of Yale-New Haven Hospital's residency program. She is professionally affiliated with Yale New Haven Health. She has an open panel in Hamden, CT according to Yale New Haven Health.