Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Lorien R. Zelenak, PA-C

Medical Physician Assistant in Pittsburgh, PA · enumerated 2015 · practices at Allegheny Clinic.

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

National Provider Identifier

1588056840

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Registry record

Entity type Individual (Type 1)

Name Lorien R. Zelenak

Credential PA-C

Sex Female

Practice address 4815 Liberty Ave Ste 310, Pittsburgh, PA, 15224

Phone (412) 578-1116

Fax (412) 605-6396

Enumeration date Feb 24, 2015

Last updated in NPPES Aug 13, 2021

Taxonomy & licenses

363AM0700X Medical Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License MA057468 (PA) Primary

Other identifiers

Identifier	Type	State	Issuer
13755830	Other	PA	CAQH
103305420	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

What is the NPI number for Lorien Zelenak?

The National Provider Identifier (NPI) for Lorien Zelenak is 1588056840, a Type 1 (individual) record in the CMS NPPES registry.

Where does Lorien Zelenak practice?

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

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-08-13.