DR. WILLIAM ALLEN GAHL M.D.
NPI 1992948582
Medical Genetics - Clinical Biochemical Genetics in Bethesda, MD

Q: What is William Gahl's NPI number?

The NPI number for William Gahl is 1992948582. It was assigned to this individual provider in the NPPES registry on April 12, 2009.

Q: What is William Gahl's specialty?

The primary specialty registered for this NPI is Medical Genetics, specializing in Clinical Biochemical Genetics, with taxonomy code 207SG0202X.

Q: When was this NPI record last updated?

The NPPES record for William Gahl was last updated on April 12, 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.

Active since April 12, 2009

10 CENTER DRIVE MSC 1851, BLDG. 10, ROOM 10C-103, NHGRI, NIH, BETHESDA, MD 20892(301) 402-2739(301) 402-2740 Get Directions Write a Review

NPPES record last updated: April 12, 2009. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. William Allen Gahl M.d. NPPES

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

DR. WILLIAM ALLEN GAHL M.D. (NPI 1992948582) is an individual clinical biochemical genetics provider in Bethesda, Maryland, licensed in Wisconsin (20993-020) and active in the NPI registry since April 2009.

NPPES Registry Identity

NPI1992948582

Entity TypeIndividualMale

Primary Taxonomy207SG0202X

Provider Legal NameDR. WILLIAM ALLEN GAHLCredential: M.D.

Location Address10 CENTER DRIVE MSC 1851, BLDG. 10, ROOM 10C-103, NHGRI, NIHBethesda, MD 20892-0001

Mailing Address10 Center Drive Msc 1851, Bldg. 10, Room 10c-103, Nhgri, NihBethesda, MD 20892-0001 · (301) 402-2739 · Fax (301) 402-2740

Phone(301) 402-2739

Fax(301) 402-2740

Sole ProprietorNo

Enumeration DateApril 12, 2009

✔ NPI 1992948582 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyMedical Genetics · Clinical Biochemical GeneticsAllopathic & Osteopathic Physicians

Taxonomy Code207SG0202X

License✔ Licensed in WI · 20993-020

Definition

A clinical biochemical geneticist demonstrates competence in performing and interpreting biochemical analyses relevant to the diagnosis and management of human genetic diseases and is a consultant regarding laboratory diagnosis of a broad range of inherited disorders.

Also ListedMedical Genetics · Clinical Genetics (M.D.)Taxonomy 207SG0201X · License 20993-020 (WI)

Also ListedPediatricsTaxonomy 208000000X · License 20993-020 (WI)

10 CENTER DRIVE MSC 1851, Bethesda, MD 20892

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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 William Gahl's NPI number?

The NPI number for William Gahl is 1992948582. It was assigned to this individual provider in the NPPES registry on April 12, 2009.

Where is William Gahl located?

William Gahl practices at 10 Center Drive Msc 1851 Bldg. 10, Room 10c-103, Nhgri, Nih, Bethesda, MD 20892. The listed phone number is (301) 402-2739.

What is William Gahl's specialty?

The primary specialty registered for this NPI is Medical Genetics, specializing in Clinical Biochemical Genetics, with taxonomy code 207SG0202X.

When was this NPI record last updated?

The NPPES record for William Gahl was last updated on April 12, 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.