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

Douglas T Dieterich, MD

Individual provider Hepatology Physician · NPI 1225056070

Douglas T Dieterich, MD is an Internal Medicine in New York, New York. Graduated from New York University School of Medicine in 1978, 48 years ago. Practices with Icahn School of Medicine at Mount Sinai, a 2,791-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
48
Trained at
New York University School of Medicine
Licensed in
NY
In the registry since
2006
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

17 E 102nd St
New York, NY 10029-5204
Phone: (212) 241-7270
Fax: (212) 289-7738
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hepatology Physician (primary) Taxonomy 207RI0008X · Licence 139595 (NY)

Record details

NPI number1225056070
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 18, 2006
Last updated in NPPESJune 12, 2023
Certification dateJune 12, 2023

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesGASTROENTEROLOGY
Medical schoolNEW YORK UNIVERSITY SCHOOL OF MEDICINE
Graduated 1978 (48 years in practice)
Group practice Icahn School Of Medicine At Mount Sinai — 2791 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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