Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Anna Ahn, MD

Individual provider Internal Medicine Physician · NPI 1700105533

Dr. Anna Ahn, MD is a Pulmonary Disease in Stony Brook, New York. Graduated from New York Medical College in 2003, 23 years ago. Practices with University of Maryland Community Medical Group Inc, a 450-clinician group and accepts Medicare assignment. Licensed in Maryland and New York.

Years since qualifying
23
Trained at
New York Medical College
Licensed in
MD, NY
In the registry since
2010
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

Medical Staff Ofc T9 Stony Brook University Hospital
Stony Brook, NY 11794
Phone: (631) 444-2754
Fax: (631) 444-6031
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence D75970 (MD)
Internal Medicine Physician Taxonomy 207R00000X · Licence 249976 (NY)

Record details

NPI number1700105533
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 18, 2010
Last updated in NPPESAugust 12, 2018
Mailing address920 Elkridge Landing Rd, Linthicum, MD 21090-2917

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPULMONARY DISEASE
Also practisesINTERNAL MEDICINE
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 2003 (23 years in practice)
Group practice University Of Maryland Community Medical Group Inc — 450 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

Other providers in Stony Brook