Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Gregory Halenda, M.D.

Specialist in Pittsburgh, PA · enumerated 2005.

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

National Provider Identifier

1053316000

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Registry record

Entity type Individual (Type 1)

Name Dr. Gregory Halenda

Credential M.D.

Sex Male

Practice address 300 Halket Street, Suite 2541, Pittsburgh, PA, 15213

Phone (412) 641-6961

Fax (412) 641-1366

Enumeration date Jun 16, 2005

Last updated in NPPES May 7, 2024

Taxonomy & licenses

174400000X Specialist Other Service Providers · License MD033880E (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
251219366	Other	PA	FEDERAL TAX ID#

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 is the NPI number for Gregory Halenda?

The National Provider Identifier (NPI) for Gregory Halenda is 1053316000, a Type 1 (individual) record in the CMS NPPES registry.

Where does Gregory Halenda practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-05-07.