Yi-Hao Yu, M.D., PH.D.

Endocrinology, Diabetes & Metabolism

Internal Medicine

Yi-Hao Yu is an Endocrinology, Diabetes & Metabolism specialist based in Greenwich, CT with over 30 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

Also practices: INTERNAL MEDICINE

(203) 863-3750Greenwich, CT
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Patients across CT can see Yi-Hao Yu, M.D., PH.D. in person in Greenwich or via virtual visit — no travel required. A New York University School of Medicine graduate since 1996, he brings 30+ years of experience. CMS Medicare data shows his patients commonly have high cholesterol, hypertension, and osteoporosis. CMS MIPS quality score: 93.28/100 (2023).

At a glance

  • Federal MIPS score higher than 63% of MIPS-scored doctors in Connecticut
  • Virtual visits available — no app or travel required
1 of 105 Internal Medicine providers in CTSee all Internal Medicine in Greenwich30+ years experienceNPI since 2006

Older · 4915dNPPES updated 2012-12-07 · verify NPI on CMS · Verify license at Connecticut Medical Examining Board

Contact & Location

Practice Location

55 Holly Hill Ln, Greenwich, CT 06830-6074

Fax: (203) 863-4168
CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor has an average quality score compared to other doctors in Connecticut.

MIPS Score

2023

93.28/100

Connecticut avg: 84.5 · US avg: 83.6

Higher than most doctors nationally(+9.7 pts)

Average range among MIPS-scored doctors in Connecticut

How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.

Generic Rx

↑ Higher = better

61.4%

Connecticut avg: 81.1 · US avg: 82.8

Lower than most doctors nationally(-21.4 pts)

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Medicare Patients

413

Unique beneficiaries

Standard volume

Prescription Recipients

393

Patients prescribed

Prescriptions Written

3,447

Total claims

Total Medicare drug cost: $1.81M

Percentile rankings compared against 1,825 reporting peers in Connecticut.

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages High Cholesterol, Hypertension, and Osteoporosis.

High Cholesterol
Higher than avg (+5%)75%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↑ More patients than average (+5%) — a focus area for this doctor

Hypertension
Lower than avg (-3%)67%

High blood pressure — a leading risk factor for heart disease and stroke

US avg: 70.2%

↓ Fewer patients than average (-3%) — less common here

Osteoporosis
Higher than avg (+33%)51%

Weakened bones that are more prone to fractures, common in older adults

US avg: 18.1%

↑ More patients than average (+33%) — a focus area for this doctor

Arthritis
Lower than avg (-1%)48%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↓ Fewer patients than average (-1%) — less common here

Diabetes
Higher than avg (+6%)40%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↑ More patients than average (+6%) — a focus area for this doctor

Chronic Kidney Disease
Lower than avg (-7%)23%

Gradual loss of kidney function over time, often linked to diabetes or hypertension

US avg: 29.6%

↓ Fewer patients than average (-7%) — less common here

Anxiety Disorders
Lower than avg (-11%)23%

Excessive worry or fear that interferes with daily life

US avg: 34.1%

↓ Fewer patients than average (-11%) — less common here

Ischemic Heart Disease
Lower than avg (-11%)21%

Reduced blood flow to the heart muscle, commonly known as coronary artery disease

US avg: 31.7%

↓ Fewer patients than average (-11%) — less common here

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 1996

    Nyu Grossman School of Medicine

  2. 30 years in practice

    Senior practitioner

Endocrinologists treat hormonal and metabolic disorders including diabetes (type 1 and 2), thyroid disease, osteoporosis, adrenal disorders, pituitary conditions, and polycystic ovary syndrome (PCOS).

Taxonomy: 207RE0101X

Education & Training

New York University School of Medicine (Class of 1996)

Practice Footprint

Mailing address

560 Riverside Dr #4d, New York, NY 10027-3202

Differs from practice location

Primary hospital affiliation: Acute Care Hospitals

CMS Certification Number: 450658

View hospital on Medicare Care Compare

Virtual Endocrinology, Diabetes & Metabolism Care With Yi-Hao Yu

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Yi-Hao Yu for cholesterol management, blood pressure monitoring, follow-up consultations — no travel to Greenwich required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Yi-Hao Yu

Dr. Yu is listed as active in the NPI registry with telehealth listed in Greenwich, CT. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (203) 863-3750.

Verified across 5 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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