NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Zachary A Zator, M.D.

Gastroenterology Physician in Allentown, PA · enumerated 2010 · practices at Eastern Pennsylvania Gastroenterology & Liver Specialists P C.

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

National Provider Identifier

1669793816

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Zachary A Zator
Credential M.D.
Sex Male
Practice address 1501 N Cedar Crest Blvd Ste 110, Allentown, PA, 18104
Phone (610) 821-2828
Fax (610) 821-7915
Enumeration date Jun 22, 2010
Last updated in NPPES May 26, 2021

Taxonomy & licenses

207RG0100X Gastroenterology Physician Allopathic & Osteopathic Physicians · License MD456853 (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
1034988190002 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 Zachary Zator?
The National Provider Identifier (NPI) for Zachary Zator is 1669793816, a Type 1 (individual) record in the CMS NPPES registry.
Where does Zachary Zator practice?
The practice location on file with NPPES is in Allentown, PA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-05-26.