Anna Ahn, M.D.

Internal Medicine

Anna Ahn is an Internal Medicine specialist based in Stony Brook, NY with over 23 years of clinical experience. Offers virtual telehealth visits.

(631) 444-2754Stony Brook, NY
Telehealth Available
NPI Active per CMS — Q2 2026

Anna Ahn, M.D. has been part of the Stony Brook medical community since 2010 in group practice. She graduated from New York Medical College in 2003 and has 23+ years of clinical experience. She regularly sees Medicare patients with hypertension, high cholesterol, and COPD (per CMS claims data).

1 of 2,154 Internal Medicine providers in NYSee all Internal Medicine in Stony Brook23+ years experienceNPI since 2010

Older · 2842dNPPES updated 2018-08-12 · verify NPI on CMS · Verify license at New York State Board for Medicine

Contact & Location

Practice Location

Medical Staff Office T9 Stony Brook University Hospital, Stony Brook, NY 11794

Fax: (631) 444-6031
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 COPD.

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

COPD
Higher than avg (+35%)55%

Chronic Obstructive Pulmonary Disease — a group of lung diseases that block airflow

US avg: 20.4%

↑ More patients than average (+35%) — a focus area for this doctor

Arthritis
Higher than avg (+1%)50%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↑ More patients than average (+1%) — a focus area for this doctor

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

Asthma
Higher than avg (+27%)40%

A condition causing airway inflammation, wheezing, and difficulty breathing

US avg: 13.3%

↑ More patients than average (+27%) — a focus area for this doctor

Ischemic Heart Disease
Higher than avg (+7%)39%

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

US avg: 31.7%

↑ More patients than average (+7%) — a focus area for this doctor

Mood Disorders
35%

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 · 2003

    New York Medical College

  2. 23 years in practice

    Experienced

Internal MedicineAllopathic & Osteopathic Physicians

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Taxonomy: 207R00000X

Education & Training

New York Medical College (Class of 2003)

Practice Footprint

Mailing address

920 Elkridge Landing Rd, Linthicum, MD 21090-2917

Differs from practice location

Virtual Internal Medicine Care With Anna Ahn

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

Schedule a virtual visit with Anna Ahn for blood pressure monitoring, cholesterol management, COPD management — no travel to Stony Brook required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Anna Ahn

Dr. Ahn is listed as active in the NPI registry with telehealth listed in Stony Brook, NY. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (631) 444-2754.

Verified across 4 federal data sources

Sourced from CMS NPPES · OIG LEIE · 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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