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Dr. Cathy Fan, MD

(Dr. Cathy Fan, MD)

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Specializes in: Anatomic Pathology

Professional interests include: gastrointestinal problems (digestive disorders)

506 6th Street
Brooklyn, NY 11215

(718) 780-3634

Dr. Cathy Fan, MD is an anatomic pathologist in Brooklyn, NY specializing in anatomic pathology. Dr. Cathy Fan, MD is affiliated with NewYork-Presbyterian.

Office Locations

NewYork-Presbyterian

506 6th Street
Brooklyn, NY 11215

(718) 780-3634

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506 6th Street
Park Slope, NY 11215

(718) 380-3672

(718) 780-3672

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525 E 68th Street
New York, NY 10065

(718) 780-3672

(718) 780-3673

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Some issues Dr. Cathy Fan, MD can help you with:

Gastrointestinal Problems (Digestive Disorders)

The gastrointestinal system, or GI tract, is the name given to a collection of organs that work together to digest food. These organs fit together in a long tube, running from the mouth to the anus, and include the esophagus, stomach, and intestines, among others. With so many parts working together, complicated by today's busy lifestyles and diets, digestive problems are common. As many as 1 in 3 Americans have a digestive or GI disorder. There are a huge variety of digestive problems, but the most common are IBS, constipation, GERD, hemorrhoids, and ulcers.

IBS, or irritable bowel syndrome, happens when the muscles surrounding the colon contract too easily or frequently. The result is abdominal pain, cramps, diarrhea or constipation, gas and bloating. IBS attacks can often be brought on by specific triggers, so a key part of treatment is learning which foods trigger IBS attacks and avoiding them. Treatment also includes exercise, avoiding stress, and medications if needed.

Constipation, or large, hard, or infrequent stools, happens to everyone at some point. It can be caused by a disruption in routine or food, or by eating a diet without many fresh fruits and vegetables. Although it is uncomfortable, constipation is common and usually not serious, but it can sometimes become chronic. Adding fiber to the diet, exercising, and taking medications may help.

GERD, or gastroesophageal reflux disease, is a severe form of chronic heartburn where stomach acid spills back up into the esophagus. Left untreated, the acid may even eat away at the esophagus and cause serious damage. Treatment includes changing the diet to avoid trigger foods, losing weight if needed, medications, or even surgery.

Hemorrhoids are blood vessels around the rectum that become irritated, swollen or torn while straining during a bowel movement. They are most often caused by constipation, but can also be caused by pregnancy, diarrhea, or simply a genetic predisposition towards hemorrhoids. Treatment involves first treating any constipation issues, then keeping the area clean and soothed until it has healed. If these measures are ineffective, surgery is sometimes used.

Peptic ulcers are sores or spots of inflammation in the lining of the stomach or close to the stomach in the small intestine. Usually this area is coated with a protective lining that shields the tissue from the strong stomach acid, but a break in the lining can let acid in, causing the sores. It used to be thought that stress caused ulcers, but now it is known that is not the case. Most often, they are caused by an infection by H. pylori bacteria, but ulcers can also be caused by alcohol abuse or overuse of aspirin, ibuprofen, naproxen, or other NSAIDS. The symptoms of an ulcer are pain, hunger, nausea, and fatigue.

Gastrointestinal problems, perhaps more than any other area, are markedly affected by lifestyle. Many disorders can be prevented or treated at least in part by eating a healthy diet high in fiber, exercising regularly, drinking enough water, and limiting alcohol intake. Still, the frequency of digestive disorders means that even the healthiest person can be affected by them. Anyone who notices blood in their stool, experiences abdominal pain, unexplained weight loss, or any significant change in bowel movements should see a doctor.

Noteworthy Medicare Patient Procedures Performed by Dr. Cathy Fan, MD in 2023

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

Top 10%

By Volume:

immunohistochemistry test

In 2023, Dr. Cathy Fan, MD performed more immunohistochemistry (IHC) test procedures for Medicare patients than 90% of providers in related specialties within New York.

Top 25%

By Affordability:

lab tests

special stains

In 2012, Dr. Cathy Fan, MD had a list price for lab tests, and special stains that was lower than the list prices billed to Medicare by 75% of providers in related specialties within New York. 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. Cathy Fan, MD treated as an anatomic pathologist in Brooklyn, NY during 2012 were lab tests, consultation and second opinions.

Volume of procedures performed by Dr. Cathy Fan, MD for Medicare patients.

consultation	33
lab tests	616
second opinions	26

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Cathy Fan, MD treated as an anatomic pathologist in Brooklyn, NY during 2013 were lab tests, consultation and second opinions.

Volume of procedures performed by Dr. Cathy Fan, MD for Medicare patients.

consultation	43
lab tests	208
second opinions	25

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Cathy Fan, MD.

**Gender**
Male	216
Female	237

**Ethnicity**
Non-Hispanic White	330
Black	49
Hispanic	30
Asian	30
Other	14
Native American	0

**Age**
From 65 to 74	181
From 75 to 84	153
85 and over	66
Less than 65	53

Conditions of Medicare patients treated by Dr. Cathy Fan, MD in 2013

Hypertension	75
High Cholesterol	69
Stroke	5
Ischemic Heart Disease	65
Depression	18
Chronic Kidney Disease	30
Asthma	13
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	28
Chronic Obstructive Pulmonary Disease	15
Diabetes	46
Dementia	14
Cancer	27

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

The top procedures that Dr. Cathy Fan, MD treated as an anatomic pathologist in Brooklyn, NY during 2014 were lab tests, consultation and second opinions.

Volume of procedures performed by Dr. Cathy Fan, MD for Medicare patients.

consultation	21
lab tests	275
second opinions	21

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Cathy Fan, MD.

**Gender**
Male	220
Female	224

**Ethnicity**
Non-Hispanic White	329
Black	59
Hispanic	20
Asian	0
Other	17
Native American	0

**Age**
From 65 to 74	199
From 75 to 84	117
85 and over	63
Less than 65	65

Conditions of Medicare patients treated by Dr. Cathy Fan, MD in 2014

Hypertension	75
High Cholesterol	66
Stroke	5
Ischemic Heart Disease	65
Depression	23
Chronic Kidney Disease	30
Asthma	14
Osteoperosis	9
Atrial Fibrilation	18
Heart Failure	30
Chronic Obstructive Pulmonary Disease	19
Diabetes	42
Dementia	11
Cancer	28

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

The top procedures that Dr. Cathy Fan, MD treated as an anatomic pathologist in Brooklyn, NY during 2015 were lab tests, consultation and second opinions.

Volume of procedures performed by Dr. Cathy Fan, MD for Medicare patients.

consultation	19
lab tests	269
second opinions	12

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Cathy Fan, MD.

**Gender**
Male	356
Female	450

**Ethnicity**
Non-Hispanic White	564
Black	106
Hispanic	50
Asian	46
Other	40
Native American	0

**Age**
From 65 to 74	350
From 75 to 84	244
85 and over	108
Less than 65	104

Conditions of Medicare patients treated by Dr. Cathy Fan, MD in 2015

Hypertension	75
High Cholesterol	70
Stroke	9
Ischemic Heart Disease	64
Depression	23
Chronic Kidney Disease	36
Asthma	17
Osteoperosis	9
Atrial Fibrilation	18
Heart Failure	33
Chronic Obstructive Pulmonary Disease	16
Diabetes	48
Dementia	11
Cancer	28

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

The top procedures that Dr. Cathy Fan, MD treated as an anatomic pathologist in Brooklyn, NY during 2016 were lab tests and consultation.

Volume of procedures performed by Dr. Cathy Fan, MD for Medicare patients.

consultation	31
lab tests	339

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Cathy Fan, MD.

**Gender**
Male	236
Female	256

**Ethnicity**
Non-Hispanic White	346
Black	63
Hispanic	30
Asian	30
Other	0
Native American	0

**Age**
From 65 to 74	208
From 75 to 84	168
85 and over	58
Less than 65	58

Conditions of Medicare patients treated by Dr. Cathy Fan, MD in 2016

Hypertension	75
High Cholesterol	71
Stroke	6
Ischemic Heart Disease	54
Depression	22
Chronic Kidney Disease	39
Asthma	18
Osteoperosis	8
Atrial Fibrilation	18
Heart Failure	29
Chronic Obstructive Pulmonary Disease	14
Diabetes	46
Dementia	12
Cancer	26

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Cathy Fan, MD treated as an anatomic pathologist in Brooklyn, NY during 2017 were lab tests and second opinions.

Volume of procedures performed by Dr. Cathy Fan, MD for Medicare patients.

lab tests	289
second opinions	19

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Cathy Fan, MD.

**Gender**
Male	252
Female	242

**Ethnicity**
Non-Hispanic White	338
Black	63
Hispanic	37
Asian	29
Other	27
Native American	0

**Age**
From 65 to 74	221
From 75 to 84	153
85 and over	64
Less than 65	56

Conditions of Medicare patients treated by Dr. Cathy Fan, MD in 2017

Hypertension	75
High Cholesterol	64
Stroke	7
Ischemic Heart Disease	52
Depression	24
Chronic Kidney Disease	40
Asthma	14
Osteoperosis	10
Atrial Fibrilation	15
Heart Failure	25
Chronic Obstructive Pulmonary Disease	16
Diabetes	50
Dementia	14
Cancer	27

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Cathy Fan, MD treated as an anatomic pathologist in Brooklyn, NY during 2018 were lab tests, consultation and second opinions.

Volume of procedures performed by Dr. Cathy Fan, MD for Medicare patients.

consultation	22
lab tests	424
second opinions	13

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Cathy Fan, MD.

**Gender**
Male	269
Female	269

**Ethnicity**
Non-Hispanic White	384
Black	65
Hispanic	35
Asian	27
Other	0
Native American	0

**Age**
From 65 to 74	231
From 75 to 84	157
85 and over	76
Less than 65	74

Conditions of Medicare patients treated by Dr. Cathy Fan, MD in 2018

Hypertension	75
High Cholesterol	73
Stroke	7
Ischemic Heart Disease	49
Depression	21
Chronic Kidney Disease	46
Asthma	11
Osteoperosis	11
Atrial Fibrilation	19
Heart Failure	27
Chronic Obstructive Pulmonary Disease	15
Diabetes	45
Dementia	13
Cancer	24

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

The top procedures that Dr. Cathy Fan, MD treated as an anatomic pathologist in Brooklyn, NY during 2019 were lab tests and consultation.

Volume of procedures performed by Dr. Cathy Fan, MD for Medicare patients.

consultation	17
lab tests	439

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Cathy Fan, MD.

**Gender**
Male	290
Female	282

**Ethnicity**
Non-Hispanic White	385
Black	79
Hispanic	37
Asian	43
Other	28
Native American	0

**Age**
From 65 to 74	237
From 75 to 84	206
85 and over	70
Less than 65	59

Conditions of Medicare patients treated by Dr. Cathy Fan, MD in 2019

Hypertension	75
High Cholesterol	75
Stroke	7
Ischemic Heart Disease	53
Depression	23
Chronic Kidney Disease	43
Asthma	12
Osteoperosis	9
Atrial Fibrilation	19
Heart Failure	28
Chronic Obstructive Pulmonary Disease	16
Diabetes	45
Dementia	15
Cancer	23

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

The top procedures that Dr. Cathy Fan, MD treated as an anatomic pathologist in Brooklyn, NY during 2020 were lab tests, consultation and second opinions.

Volume of procedures performed by Dr. Cathy Fan, MD for Medicare patients.

consultation	19
lab tests	296
second opinions	16

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Cathy Fan, MD.

**Gender**
Male	194
Female	182

**Ethnicity**
Non-Hispanic White	275
Black	40
Hispanic	16
Asian	25
Other	20
Native American	0

**Age**
From 65 to 74	176
From 75 to 84	127
85 and over	43
Less than 65	30

Conditions of Medicare patients treated by Dr. Cathy Fan, MD in 2020

Hypertension	75
High Cholesterol	73
Stroke	9
Ischemic Heart Disease	56
Depression	27
Chronic Kidney Disease	49
Asthma	9
Osteoperosis	7
Atrial Fibrilation	18
Heart Failure	28
Chronic Obstructive Pulmonary Disease	19
Diabetes	39
Dementia	12
Cancer	27

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

The top procedures that Dr. Cathy Fan, MD treated as an anatomic pathologist in Brooklyn, NY during 2021 were lab tests.

Volume of procedures performed by Dr. Cathy Fan, MD for Medicare patients.

lab tests	515

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Cathy Fan, MD.

**Gender**
Male	260
Female	349

**Ethnicity**
Non-Hispanic White	281
Black	204
Hispanic	72
Asian	25
Other	27
Native American	0

**Age**
From 65 to 74	310
From 75 to 84	180
85 and over	54
Less than 65	65

Conditions of Medicare patients treated by Dr. Cathy Fan, MD in 2021

Hypertension	75
High Cholesterol	75
Stroke	11
Ischemic Heart Disease	48
Depression	24
Chronic Kidney Disease	44
Asthma	10
Osteoperosis	9
Atrial Fibrilation	11
Heart Failure	33
Chronic Obstructive Pulmonary Disease	15
Diabetes	51
Dementia	17
Cancer	20

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

The top procedures that Dr. Cathy Fan, MD treated as an anatomic pathologist in Brooklyn, NY during 2022 were lab tests.

Volume of procedures performed by Dr. Cathy Fan, MD for Medicare patients.

lab tests	518

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Cathy Fan, MD.

**Gender**
Male	244
Female	363

**Ethnicity**
Non-Hispanic White	226
Black	245
Hispanic	68
Asian	32
Other	36
Native American	0

**Age**
From 65 to 74	286
From 75 to 84	192
85 and over	55
Less than 65	74

Conditions of Medicare patients treated by Dr. Cathy Fan, MD in 2022

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	37
Depression	18
Chronic Kidney Disease	29
Asthma	16
Osteoperosis	18
Atrial Fibrilation	18
Heart Failure	26
Chronic Obstructive Pulmonary Disease	17
Diabetes	52
Dementia	11
Cancer	23

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Cathy Fan, MD treated as an anatomic pathologist in Brooklyn, NY during 2023 were lab tests.

Volume of procedures performed by Dr. Cathy Fan, MD for Medicare patients.

lab tests	630

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Cathy Fan, MD.

**Gender**
Male	250
Female	408

**Ethnicity**
Non-Hispanic White	305
Black	229
Hispanic	76
Asian	19
Other	29
Native American	0

**Age**
From 65 to 74	312
From 75 to 84	232
85 and over	48
Less than 65	66

Conditions of Medicare patients treated by Dr. Cathy Fan, MD in 2023

Hypertension	75
High Cholesterol	75
Stroke	15
Ischemic Heart Disease	37
Depression	20
Chronic Kidney Disease	31
Asthma	17
Osteoperosis	15
Atrial Fibrilation	18
Heart Failure	26
Chronic Obstructive Pulmonary Disease	18
Diabetes	53
Dementia	10
Cancer	23

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Cathy Fan, MD for Medicare patients.

The highest averages for the top procedures that Dr. Cathy Fan, MD treated as an anatomic pathologist in Brooklyn, NY were lab tests, consultation and second opinions.

consultation	25
lab tests	401
second opinions	18

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Cathy Fan, MD.

**Gender**
Female	271
Male	232

**Ethnicity**
Black / African American	100
Asian / Pacific Islander	25
Non-Hispanic White	313
Hispanic	39
Native American / Alaskan Native	0
Other	19

**Age**
85 and over	58
75 to 84	160
Less than 65	58
65 to 74	225

Average of Total of Conditions of Medicare patients treated by Dr. Cathy Fan, MD From 2012 - 2023

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

Hypertension	68
High Cholesterol	65
Stroke	8
Ischemic Heart Disease	48
Depression	20
Chronic Kidney Disease	34
Asthma	12
Osteoporosis	9
Heart Failure	26
Chronic Obstructive Pulmonary Disease	15
Diabetes	43
Atrial Fibrillation	15
Dementia	11
Cancer	23

Education & Training

She has a state license in New York.

Licensed In: New York

Affiliations & Hospitals

Dr. Cathy Fan, MD is associated with these hospitals and organizations:

NewYork-Presbyterian

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. Cathy Fan, MD appears to accept the following insurance providers: Aetna, Group Health Incorporated (GHI), Health Insurance Plan of New York (HIP), Anthem, United Healthcare, Oxford Health Plans and VNSNY CHOICE.

Insurance Accepted by Provider includes:

According to our sources, Dr. Cathy Fan, MD accepts the following insurance providers:

Aetna

Group Health Incorporated (GHI)

Health Insurance Plan of New York (HIP)

Anthem

United Healthcare

Oxford Health Plans

VNSNY CHOICE

Ratings & Reviews

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Biography

Dr. Cathy Fan specializes in anatomic pathology. Areas of particular interest for Dr. Fan include gastrointestinal problems (digestive disorders). Dr. Fan is professionally affiliated with NewYork-Presbyterian. She usually is in-network for Health Insurance Plan of New York (HIP), Anthem, and Blue California, as well as other insurance carriers.