Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dr. John L Zapas, M.D.

Surgery Physician in Frederick, MD · enumerated 2006.

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

National Provider Identifier

1487613022

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Registry record

Entity type Individual (Type 1)

Name Dr. John L Zapas

Credential M.D.

Sex Male

Practice address Frederick, MD, 21701

Phone (301) 663-9573

Enumeration date Mar 22, 2006

Last updated in NPPES Jun 10, 2025

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License D0044227 (MD) Secondary

208600000X Surgery Physician Allopathic & Osteopathic Physicians · License C1-0028199 (DE) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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

How do I verify John Zapas's NPI record?

Cross-check NPI 1487613022 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1487613022 active?

Yes, as of the latest NPPES snapshot, NPI 1487613022 is active (record last updated 2025-06-10).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-06-10.