Yi An, MD

Radiation Oncology Radiology

Radiology

Yi An is a Radiation Oncology Radiology specialist based in New Haven, CT with over 13 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(203) 688-4242New Haven, CT
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Patients across CT can see Yi an, MD in person in New Haven or via virtual visit — no travel required. A Stanford University School of Medicine graduate since 2013, he brings 13+ years of experience. He regularly sees Medicare patients with hypertension, high cholesterol, and cancer (per CMS claims data).

At a glance

  • Uses generic medications more than 47% of reporting doctors in Connecticut
  • Virtual visits available — no app or travel required
1 of 12 Radiology providers in CTSee all Radiology in New Haven13+ years experienceNPI since 2013

Older · 2973dNPPES updated 2018-04-03 · verify NPI on CMS · Verify license at Connecticut Medical Examining Board

Contact & Location

Practice Location

20 York St Yale-New Haven Hospital, New Haven, CT 06510-3220

CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor favors affordable generic drugs over brand-name ones.

MIPS Score

2023

73.56/100

Connecticut avg: 84.5 · US avg: 83.6

Lower than most doctors nationally(-10 pts)

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

Generic Rx

↑ Higher = better

86.5%

Connecticut avg: 81.1 · US avg: 82.8

Higher than most doctors nationally(+3.7 pts)

Typical range among reporting doctors in Connecticut

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

Medicare Patients

286

Unique beneficiaries

Standard volume

Prescription Recipients

88

Patients prescribed

Prescriptions Written

200

Total claims

Total Medicare drug cost: $101k

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 Hypertension, High Cholesterol, and Cancer.

Hypertension
Higher than avg (+5%)75%

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

US avg: 70.2%

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

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

Cancer
Higher than avg (+54%)75%

Diseases involving abnormal cell growth with potential to spread to other body parts

US avg: 20.8%

↑ More patients than average (+54%) — a focus area for this doctor

Arthritis
Lower than avg (-3%)46%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

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

Ischemic Heart Disease
Higher than avg (+2%)34%

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

US avg: 31.7%

↑ More patients than average (+2%) — a focus area for this doctor

Anxiety Disorders
Lower than avg (-5%)29%

Excessive worry or fear that interferes with daily life

US avg: 34.1%

↓ Fewer patients than average (-5%) — less common here

Diabetes
Lower than avg (-6%)28%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↓ Fewer patients than average (-6%) — less common here

Mood Disorders
25%

Conditions affecting emotional state, including depression and bipolar disorder

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 · 2013

    Stanford University School of Medicine

  2. 13 years in practice

    Established

RadiologyRadiation Oncology in New HavenAllopathic & Osteopathic Physicians

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

Taxonomy: 2085R0001X

Education & Training

Stanford University School of Medicine (Class of 2013)

Practice Footprint

Mailing address

20 York St Smilow Cancer Hospital, Ll507, New Haven, CT 06510-3220

Differs from practice location

Primary hospital affiliation: Acute Care Hospitals

CMS Certification Number: 450672

View hospital on Medicare Care Compare

Virtual Radiation Oncology Care With Yi an

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

Schedule a virtual visit with Yi an for blood pressure monitoring, cholesterol management, follow-up consultations — no travel to New Haven 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 an

Dr. An is listed as active in the NPI registry with telehealth listed in New Haven, CT. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (203) 688-4242.

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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Claim Profile

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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