Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Margaret S Wehner, M.D.

Anatomic Pathology & Clinical Pathology Physician in San Antonio, TX · enumerated 2005.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1356339691

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Registry record

Entity type Individual (Type 1)

Name Dr. Margaret S Wehner

Credential M.D.

Sex Female

Practice address 9600 Datapoint Dr, San Antonio, TX, 78229

Phone (210) 892-3753

Fax (210) 617-3792

Enumeration date Oct 11, 2005

Last updated in NPPES Jul 13, 2007

Taxonomy & licenses

207ZC0500X Cytopathology Physician Allopathic & Osteopathic Physicians · License L5609 (TX) Secondary

207ZP0102X Anatomic Pathology & Clinical Pathology Physician Allopathic & Osteopathic Physicians · License L5609 (TX) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
156708301	Medicaid	TX	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1356339691 active?

Yes, as of the latest NPPES snapshot, NPI 1356339691 is active (record last updated 2007-07-13).

How do I verify Margaret Wehner's NPI record?

Cross-check NPI 1356339691 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-13.