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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

PAUL M YEN M.D.
NPI 1255378477
Internal Medicine - Endocrinology, Diabetes & Metabolism in Baltimore, MD

Active since May 31, 2006
4940 EAST AVENUE ROOM B114, JOHNS HOPKINS BAYVIEW MED CENTER, BALTIMORE, MD 21224(410) 550-4229 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Paul M Yen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PAUL M YEN M.D. (NPI 1255378477) is an individual endocrinology, diabetes & metabolism provider in Baltimore, Maryland, licensed in Massachusetts (71446) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1255378477
Entity TypeIndividualMale
Primary Taxonomy207RE0101X
Provider Legal NamePAUL M YENCredential: M.D.
Location Address4940 EAST AVENUE ROOM B114, JOHNS HOPKINS BAYVIEW MED CENTERBaltimore, MD 21224
Mailing AddressNational Institute Of Health, Ceb/niddk 9000 Rockville PlaceBethesda, MD 20892-0001 · (410) 550-4229
Phone(410) 550-4229
Sole ProprietorNo
Enumeration DateMay 31, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1255378477 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in MA · 71446
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
4940 EAST AVENUE ROOM B114, Baltimore, MD 21224
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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Paul Yen's NPI number?

The NPI number for Paul Yen is 1255378477. It was assigned to this individual provider in the NPPES registry on May 31, 2006.

Where is Paul Yen located?

Paul Yen practices at 4940 East Avenue Room B114 Johns Hopkins Bayview Med Center, Baltimore, MD 21224. The listed phone number is (410) 550-4229.

What is Paul Yen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

When was this NPI record last updated?

The NPPES record for Paul Yen was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.