Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JOHN LEONG MD
NPI 1659958239
General Practice in San Antonio, TX

Q: What is John Leong's NPI number?

The NPI number for John Leong is 1659958239. It was assigned to this individual provider in the NPPES registry on March 28, 2021.

Q: What is John Leong's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Q: When was this NPI record last updated?

The NPPES record for John Leong 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 33 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.

Active since March 28, 2021

1100 WILFORD HALL LOOP, SAN ANTONIO, TX 78236(601) 296-3963(210) 292-7412 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 13, 2026, Mar 28, 2021 (2 updates tracked since 2021).

On this page

About Dr. John Leong Md NPPES

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

DR. JOHN LEONG MD (NPI 1659958239) is an individual general practice provider in San Antonio, Texas, licensed in Mississippi (30372) and active in the NPI registry since March 2021.

NPPES Registry Identity

NPI1659958239

Entity TypeIndividualMale

Primary Taxonomy208D00000X

Provider Legal NameDR. JOHN LEONGCredential: MD

Location Address1100 WILFORD HALL LOOPSan Antonio, TX 78236-5638

Mailing Address3056 Numana RdHonolulu, HI 96819-2905 · (210) 671-1110

Phone(601) 296-3963

Fax(210) 292-7412

Sole ProprietorYes

Enumeration DateMarch 28, 2021

Last NPPES UpdateJuly 13, 20262 updates tracked since enumeration

NPPES CertifiedJuly 13, 2026

✔ NPI 1659958239 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians

Taxonomy Code208D00000X

License✔ Licensed in MS · 30372

Definition

A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

1100 WILFORD HALL LOOP, San Antonio, TX 78236

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 20

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

DR. HENRY ANDREW FOERSTER DMD

Dentist (Periodontics)

1100 WILFORD HALL LOOP
JBSA LACKLAND, TX 78236

Bexar County (210) 292-6990

HEIDI DEARBORN DO

Dermatology

1100 WILFORD HALL LOOP
JBSA LACKLAND, TX 78236

Bexar County (210) 292-5350

PARAMJIT BHULLAR MD

Ophthalmology (Cornea and External Diseases Specialist)

1100 WILFORD HALL LOOP
JBSA LACKLAND, TX 78236

Bexar County (210) 916-9900

SARAH MCDONALD MD

Pediatrics

1100 WILFORD HALL LOOP
JBSA LACKLAND, TX 78236

Bexar County (210) 292-4277

DANIEL ALLAN WEIDNER DO

Emergency Medicine

1100 WILFORD HALL LOOP
JBSA LACKLAND, TX 78236

Bexar County (210) 292-3403

THOMAS BERNARD HOLLAND PSY. D

Psychologist (Clinical)

1100 WILFORD HALL LOOP
SAN ANTONIO, TX 78236

Bexar County (304) 702-5431

MICHELL ALEXANDRE LLERENA

Psychiatry & Neurology (Psychiatry)

1100 WILFORD HALL LOOP
JBSA LACKLAND, TX 78236

Bexar County (210) 997-2060

MS. KIMBERLY K MORGAN APN

Nurse Practitioner (Family)

1100 WILFORD HALL LOOP
JBSA LACKLAND, TX 78236

Bexar County (210) 925-8318

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 John Leong's NPI number?

The NPI number for John Leong is 1659958239. It was assigned to this individual provider in the NPPES registry on March 28, 2021.

Where is John Leong located?

John Leong practices at 1100 Wilford Hall Loop, San Antonio, TX 78236. The listed phone number is (601) 296-3963.

What is John Leong's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

When was this NPI record last updated?

The NPPES record for John Leong 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 33 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.