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Dr. Florence Ida Hsu, MD

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Specializes in: Adult Allergy & Immunology

6 Devine Street Suite 2b
North Haven, CT 06473

(203) 287-6200

Dr. Florence Ida Hsu, MD is an allergist in New Haven, CT specializing in adult allergy & immunology.

Office Locations

55 Lock Street
New Haven, CT 06511

(203) 432-8797

(203) 432-0095

open_in_new

6 Devine Street Suite 2b
North Haven, CT 06473

(203) 287-6200

(203) 287-6101

open_in_new

In The News

“Also speaking to Newsweek about the role of the mast cell in allergies, Dr. Florence Ida Hsu, assistant professor of Clinical Medicine at Yale School of Medicine, said that "everyone with hay fever...”—"What Could Be Behind Your Hay Fever And Allergies", Newsweek, April 2025

“Yale Medicine allergist Dr. Florence Hsu recommends starting out with antihistamines for itching and runny nose, steroid nasal sprays to help with nasal congestion or antihistamine eye drops for...”—"Suffering from seasonal allergies? Here s how to stop them", Desert News, June 2022

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Volume of procedures performed by Dr. Florence Ida Hsu, MD for Medicare patients.

doctor visit	74

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

The top procedures that Dr. Florence Ida Hsu, MD treated as an allergist in New Haven, CT during 2013 were hospital care and inpatient care.

Volume of procedures performed by Dr. Florence Ida Hsu, MD for Medicare patients.

hospital care	11
inpatient care	11

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Florence Ida Hsu, MD.

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

**Age**
From 65 to 74	13
From 75 to 84	0
85 and over	0
Less than 65	12

Conditions of Medicare patients treated by Dr. Florence Ida Hsu, MD in 2013

Hypertension	59
High Cholesterol	51
Stroke	0
Ischemic Heart Disease	46
Depression	41
Chronic Kidney Disease	30
Asthma	46
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	32
Chronic Obstructive Pulmonary Disease	0
Diabetes	46
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

Volume of procedures performed by Dr. Florence Ida Hsu, MD for Medicare patients.

doctor visit	27

2014 Medicare Patient Data

Information about Medicare patients treated by Dr. Florence Ida Hsu, MD.

**Gender**
Male	12
Female	28

**Age**
From 65 to 74	17
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Florence Ida Hsu, MD in 2014

Hypertension	70
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	40
Depression	38
Chronic Kidney Disease	0
Asthma	50
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	28
Chronic Obstructive Pulmonary Disease	33
Diabetes	40
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

Volume of procedures performed by Dr. Florence Ida Hsu, MD for Medicare patients.

doctor visit	37

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Florence Ida Hsu, MD.

**Gender**
Male	24
Female	52

Conditions of Medicare patients treated by Dr. Florence Ida Hsu, MD in 2015

Hypertension	61
High Cholesterol	58
Stroke	0
Ischemic Heart Disease	47
Depression	34
Chronic Kidney Disease	0
Asthma	42
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	34
Diabetes	29
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

Volume of procedures performed by Dr. Florence Ida Hsu, MD for Medicare patients.

doctor visit	33

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Florence Ida Hsu, MD.

**Gender**
Male	11
Female	29

**Ethnicity**
Non-Hispanic White	29
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

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

Conditions of Medicare patients treated by Dr. Florence Ida Hsu, MD in 2016

Hypertension	55
High Cholesterol	45
Stroke	0
Ischemic Heart Disease	30
Depression	30
Chronic Kidney Disease	0
Asthma	43
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	28
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

Volume of procedures performed by Dr. Florence Ida Hsu, MD for Medicare patients.

doctor visit	26

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Florence Ida Hsu, MD.

**Age**
From 65 to 74	19
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Florence Ida Hsu, MD in 2017

Hypertension	57
High Cholesterol	47
Stroke	0
Ischemic Heart Disease	0
Depression	37
Chronic Kidney Disease	0
Asthma	37
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

Volume of procedures performed by Dr. Florence Ida Hsu, MD for Medicare patients.

doctor visit	48

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Florence Ida Hsu, MD.

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

**Age**
From 65 to 74	25
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Florence Ida Hsu, MD in 2018

Hypertension	51
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	37
Depression	0
Chronic Kidney Disease	0
Asthma	46
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

Volume of procedures performed by Dr. Florence Ida Hsu, MD for Medicare patients.

doctor visit	36

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Florence Ida Hsu, MD.

**Age**
From 65 to 74	20
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Florence Ida Hsu, MD in 2019

Hypertension	55
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	29
Depression	42
Chronic Kidney Disease	0
Asthma	37
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	32
Diabetes	29
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

Volume of procedures performed by Dr. Florence Ida Hsu, MD for Medicare patients.

doctor visit	25

2020 Medicare Patient Data

Information about Medicare patients treated by Dr. Florence Ida Hsu, MD.

**Age**
From 65 to 74	14
From 75 to 84	0
85 and over	0
Less than 65	0

Conditions of Medicare patients treated by Dr. Florence Ida Hsu, MD in 2020

Hypertension	50
High Cholesterol	53
Stroke	0
Ischemic Heart Disease	0
Depression	0
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

Volume of procedures performed by Dr. Florence Ida Hsu, MD for Medicare patients.

doctor visit	34

2021 Medicare Patient Data

Information about Medicare patients treated by Dr. Florence Ida Hsu, MD.

**Gender**
Male	12
Female	31

**Ethnicity**
Non-Hispanic White	31
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

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

Conditions of Medicare patients treated by Dr. Florence Ida Hsu, MD in 2021

Hypertension	53
High Cholesterol	49
Stroke	0
Ischemic Heart Disease	26
Depression	28
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

2022 Medicare Procedure Volume

Volume of procedures performed by Dr. Florence Ida Hsu, MD for Medicare patients.

doctor visit	44

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Florence Ida Hsu, MD.

**Ethnicity**
Non-Hispanic White	33
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

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

Conditions of Medicare patients treated by Dr. Florence Ida Hsu, MD in 2022

Hypertension	51
High Cholesterol	62
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	0
Asthma	42
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	31
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

Volume of procedures performed by Dr. Florence Ida Hsu, MD for Medicare patients.

doctor visit	35

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Florence Ida Hsu, MD.

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

Conditions of Medicare patients treated by Dr. Florence Ida Hsu, MD in 2023

Hypertension	39
High Cholesterol	61
Stroke	0
Ischemic Heart Disease	0
Depression	0
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

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Florence Ida Hsu, MD for Medicare patients.

The highest averages for the top procedures that Dr. Florence Ida Hsu, MD treated as an allergist in New Haven, CT were hospital care and inpatient care.

doctor visit	38
hospital care	11
inpatient care	11

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Florence Ida Hsu, MD.

**Gender**
Female	11
Male	4

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	12
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
75 to 84	0
85 and over	0
Less than 65	1
65 to 74	16

Average of Total of Conditions of Medicare patients treated by Dr. Florence Ida Hsu, MD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Florence Ida Hsu, MD treated were high cholesterol, hypertension, asthma and ischemic heart disease.

Hypertension	50
High Cholesterol	50
Stroke	0
Ischemic Heart Disease	21
Depression	20
Chronic Kidney Disease	2
Asthma	31
Osteoporosis	0
Heart Failure	5
Chronic Obstructive Pulmonary Disease	13
Diabetes	12
Atrial Fibrillation	0
Dementia	0
Cancer	0

Education & Training

She has a state license in Massachusetts.

Licensed In: Massachusetts

Ratings & Reviews

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General Payments

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

**Payments by Company**
CSL Behring	$28,508 Haegarda $10,859	Berinert 500U $42	$17,607
Pharming Healthcare, Inc.	$26,531 Ruconest $26,531
Shire North American Group Inc	$19,951 Cinryze $17,194	TAKHZYRO $1,750	HYQVIA $900	CUVITRU $50	Kalbitor $18	Other $38
Baxalta US Inc	$6,814 Immunology - GAMMAGARD/KIOVIG $4,294	GAMMAGARD/KIOVIG $2,506	Immunology - Non Product Related $13
Takeda Pharmaceuticals U.S.A., Inc.	$6,675 TAKHZYRO $2,955	CUVITRU $2,674	Cinryze $1,046
Other	$21,322 FASENRA $4,525	CINRYZE HUMAN C1-ESTERASE INHIBITOR $3,900	TEZSPIRE $3,884	XOLAIR $2,600	Orladeyo $1,375	Other $5,038

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$36,216
Honoraria	$34,800
Consulting Fee	$25,966
Travel and Lodging	$7,401
Food and Beverage	$2,784
Other	$2,635

Research Payments

Dr. Florence Ida Hsu, MD has received 23 research payments totaling $47,004.

Biography

Dr. F. Hsu is an adult allergy & immunology specialist in New Haven, CT, North Haven, CT, and Bridgeport, CT. In her practice, she is particularly interested in allergies. Dr. Hsu appears to be in-network for Anthem, ConnectiCare, Blue California, and more. Her education and training includes medical school at Columbia University, College of Physicians and Surgeons and residency at New York-Presbyterian Hospital and a hospital affiliated with Weill Cornell Medical College. Her professional affiliations include Yale Medicine and Yale New Haven Health. She has an open panel in BRIDGEPORT, CT according to Yale New Haven Health.

Select Year:

Dr. Florence Ida Hsu, MD

Office Locations

In The News

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

2013 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Florence Ida Hsu, MD in 2013

Medicare Procedure and Patient Information

2014 Medicare Procedure Volume

2014 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Florence Ida Hsu, MD in 2014

Medicare Procedure and Patient Information

2015 Medicare Procedure Volume

2015 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Florence Ida Hsu, MD in 2015

Medicare Procedure and Patient Information

2016 Medicare Procedure Volume

2016 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Florence Ida Hsu, MD in 2016

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

2017 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Florence Ida Hsu, MD in 2017

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

2018 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Florence Ida Hsu, MD in 2018

Medicare Procedure and Patient Information

2019 Medicare Procedure Volume

2019 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Florence Ida Hsu, MD in 2019

Medicare Procedure and Patient Information

2020 Medicare Procedure Volume

2020 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Florence Ida Hsu, MD in 2020

Medicare Procedure and Patient Information

2021 Medicare Procedure Volume

2021 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Florence Ida Hsu, MD in 2021

Medicare Procedure and Patient Information

2022 Medicare Procedure Volume

2022 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Florence Ida Hsu, MD in 2022

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

2023 Medicare Patient Data

Conditions of Medicare patients treated by Dr. Florence Ida Hsu, MD in 2023

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Average Medicare Patient Data From 2012 - 2023

Average of Total of Conditions of Medicare patients treated by Dr. Florence Ida Hsu, MD From 2012 - 2023

Education & Training

Ratings & Reviews

General Payments

Research Payments

Biography

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