Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Girija Nathan, MD

Anatomic Pathology & Clinical Pathology Physician in Pittsburgh, PA · enumerated 2005.

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

National Provider Identifier

1558362095

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Registry record

Entity type Individual (Type 1)

Name Dr. Girija Nathan

Credential MD

Sex Male

Practice address 320 E North Ave, Allegheny Pathology Assocs, Pittsburgh, PA, 15212

Phone (412) 359-6886

Fax (412) 359-3598

Enumeration date Aug 9, 2005

Last updated in NPPES Jan 21, 2013

Taxonomy & licenses

207ZP0102X Anatomic Pathology & Clinical Pathology Physician Allopathic & Osteopathic Physicians · License MD024156E (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
3810002461	Medicaid	WV	-
0009571740008	Medicaid	PA	-
2228057	Medicaid	OH	-
0009571740005	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.

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Frequently asked questions

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.

What specialty is Girija Nathan?

Girija Nathan is registered in NPPES with the primary taxonomy of Anatomic Pathology & Clinical Pathology Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Other providers at this practice address

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Barry Parks Diagnostic Radiology Physician · Pittsburgh, PA NPI 1578566980 Matthew Thomas Diagnostic Radiology Physician · Pittsburgh, PA NPI 1619970092 David Epstein Diagnostic Radiology Physician · Pittsburgh, PA NPI 1245234210 Carol Crawford Certified Registered Nurse Anesthetist · Pittsburgh, PA NPI 1801891254 Paul Carson Internal Medicine Physician · Pittsburgh, PA NPI 1679578603 David Oppenheim Diagnostic Radiology Physician · Pittsburgh, PA NPI 1689671711 Fredric Price Hospice and Palliative Medicine (Obstetrics & Gynecology) Physician · Pittsburgh, PA NPI 1063419059 Arlene Baratz Diagnostic Radiology Physician · Pittsburgh, PA NPI 1932106960

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-01-21.