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

FRANK ANDERSON LEONARD M.D.
NPI 1205813607
Internal Medicine in Dallas, TX

Active since December 27, 2005
8335 WALNUT HILL LN, SUITE 105, DALLAS, TX 75231(214) 368-6424(214) 360-9012 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Frank Anderson Leonard M.d. NPPES

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

FRANK ANDERSON LEONARD M.D. (NPI 1205813607) is an individual internal medicine provider in Dallas, Texas, licensed in Texas (G7261) and active in the NPI registry since December 2005.

NPPES Registry Identity

NPI1205813607
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameFRANK ANDERSON LEONARDCredential: M.D.
Location Address8335 WALNUT HILL LN, SUITE 105Dallas, TX 75231-4216
Mailing Address8335 Walnut Hill Ln, Suite 105Dallas, TX 75231-4216 · (214) 368-6424 · Fax (214) 360-9012
Phone(214) 368-6424
Fax(214) 360-9012
Sole ProprietorNo
Enumeration DateDecember 27, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1205813607 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TX · G7261
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.
8335 WALNUT HILL LN, Dallas, TX 75231
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Other Identifiers 1

Other8B4890TX · Blue Cross Blue Shield

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.

DR. EDWARD P. ALLEN DDS, PH.D
Dentist (Periodontics)
8335 WALNUT HILL LN, SUITE 210
DALLAS, TX 75231
Dallas County (214) 696-1414
DR. LARRY E GRAY M.D.
Pediatrics
8335 WALNUT HILL LN, SUITE 220
DALLAS, TX 75231
Dallas County (214) 696-0222
HEALING HANDS MINISTRIES INC.
Clinic/Center (Federally Qualified Health Center (FQHC))
8335 WALNUT HILL LN
DALLAS, TX 75231
Dallas County (214) 221-0855
DR. WILLIAM MICHAEL YARBROUGH MD
Specialist
8335 WALNUT HILL LN, 200
DALLAS, TX 75231
Dallas County (214) 766-7488
WILLIAM D. HENDERSON D.D.S.
Dentist (Endodontics)
8335 WALNUT HILL LN, SUITE 125
DALLAS, TX 75231
Dallas County (214) 691-5223
NORTH TEXAS INTERNISTS, P.A.
General Practice
8335 WALNUT HILL LN, SUITE 105
DALLAS, TX 75231
Dallas County (214) 368-6424
DR. TODD ANDREW WILLIAMS D.D.S.
Dentist (Oral and Maxillofacial Surgery)
8335 WALNUT HILL LN, SUITE # 225
DALLAS, TX 75231
Dallas County (214) 797-2001
DR. ROBERT LORANE REAMES DDS MSD
Dentist (Endodontics)
8335 WALNUT HILL LN, #125
DALLAS, TX 75231
Dallas County (214) 691-5223

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 Frank Leonard's NPI number?

The NPI number for Frank Leonard is 1205813607. It was assigned to this individual provider in the NPPES registry on December 27, 2005.

Where is Frank Leonard located?

Frank Leonard practices at 8335 Walnut Hill Ln Suite 105, Dallas, TX 75231. The listed phone number is (214) 368-6424.

What is Frank Leonard'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 Frank Leonard 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 38 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.