Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Peter Smolens, M.D.

Nephrology Physician in San Antonio, TX · enumerated 2005.

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

National Provider Identifier

1447235908

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Registry record

Entity type Individual (Type 1)

Name Peter Smolens

Credential M.D.

Sex Male

Practice address 2391 Ne Loop 410, Suite 405, San Antonio, TX, 78217

Phone (210) 654-7326

Fax (210) 590-8232

Enumeration date Dec 7, 2005

Last updated in NPPES Aug 14, 2015

Taxonomy & licenses

207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License F2937 (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
118940902	Medicaid	TX	-
390001942	Other	TX	MEDICARE RAILROAD

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

What specialty is Peter Smolens?

Peter Smolens is registered in NPPES with the primary taxonomy of Nephrology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-08-14.