Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Liang R. Bartkowiak, M.D.

Obstetrics & Gynecology Physician in Altoona, PA · enumerated 2005.

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

National Provider Identifier

1144221813

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Registry record

Entity type Individual (Type 1)

Name Liang R. Bartkowiak

Credential M.D.

Sex Female

Practice address 1701 12th Ave, Building A, Altoona, PA, 16601

Phone (814) 944-7097

Fax (814) 944-5557

Enumeration date Aug 3, 2005

Last updated in NPPES Sep 7, 2022

Taxonomy & licenses

207V00000X Obstetrics & Gynecology Physician Allopathic & Osteopathic Physicians · License MD068355L (PA) 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
0017510490001	Medicaid	PA	-

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

Where does Liang Bartkowiak practice?

The practice location on file with NPPES is in Altoona, PA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Liang Bartkowiak?

The National Provider Identifier (NPI) for Liang Bartkowiak is 1144221813, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-09-07.