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DR. WILLIAM Y MEJIA MD
NPI 1851539829
Internal Medicine in Bronx, NY

Active since January 29, 2009
391 E 149TH ST, STE. 216, BRONX, NY 10455(718) 665-8300(718) 665-8301 Get Directions Write a Review

NPPES record last updated: January 29, 2009. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. William Y Mejia Md NPPES

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

DR. WILLIAM Y MEJIA MD (NPI 1851539829) is an individual internal medicine provider in Bronx, New York, licensed in New York (133211-1) and active in the NPI registry since January 2009.

NPPES Registry Identity

NPI1851539829
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. WILLIAM Y MEJIACredential: MD
Location Address391 E 149TH ST, STE. 216Bronx, NY 10455-3907
Mailing Address391 E 149th St, Ste. 216Bronx, NY 10455-3907 · (718) 665-8300 · Fax (718) 665-8301
Phone(718) 665-8300
Fax(718) 665-8301
Sole ProprietorNo
Enumeration DateJanuary 29, 2009
✔ NPI 1851539829 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in NY · 133211-1
Definition
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.
391 E 149TH ST, Bronx, NY 10455
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Other Providers at the Same Location NPPES 19

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ULTIMATE PAIN MANAGEMENT PHYSICIANS, PLLC
Anesthesiology (Pain Medicine)
391 E 149TH ST, SUITE 216
BRONX, NY 10455
Bronx County (718) 292-7845
CAROLYN CHARLEY
Case Manager/Care Coordinator
391 E 149TH ST
BRONX, NY 10455
Bronx County (646) 702-6965
MRS. KIMONE VALESHA MULLINGS-GREENLEES
Case Manager/Care Coordinator
391 E 149TH ST
BRONX, NY 10455
Bronx County (646) 702-6965
DR. DEBBIE P. BAUTISTA-HUSSEY D.P.M.
Podiatrist
391 E 149TH ST, SUITE 216
BRONX, NY 10455
Bronx County (718) 292-7081
MR. KEVIN BERNARD RODRIGUEZ I EXPERIENCE
Case Manager/Care Coordinator
391 E 149TH ST
BRONX, NY 10455
Bronx County (718) 676-9491
LIROSE SUPREME-EDOUARD BS BEHAVIOR SCIENCE
Case Manager/Care Coordinator
391 E 149TH ST
BRONX, NY 10455
Bronx County (718) 676-9491
CORINNE SERING WRIGHT LMSW
Social Worker
391 E 149TH ST, 6 FLOOR
BRONX, NY 10455
Bronx County (718) 402-0066
ANGEL JOSHUA BERMUDEZ HIGH SCHOOL DIPLOMA
Case Manager/Care Coordinator
391 E 149TH ST
BRONX, NY 10455
Bronx County (718) 676-9491

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 William Mejia's NPI number?

The NPI number for William Mejia is 1851539829. It was assigned to this individual provider in the NPPES registry on January 29, 2009.

Where is William Mejia located?

William Mejia practices at 391 E 149th St Ste. 216, Bronx, NY 10455. The listed phone number is (718) 665-8300.

What is William Mejia's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for William Mejia was last updated on January 29, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 years 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.