Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Ronald Edward Keyser, M.D.

Pediatric Adolescent Medicine Physician in Hagerstown, MD · enumerated 2005.

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

National Provider Identifier

1629073192

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Registry record

Entity type Individual (Type 1)

Name Dr. Ronald Edward Keyser

Credential M.D.

Sex Male

Practice address 1302 Pennsylvania Ave, Hagerstown, MD, 21742

Phone (240) 313-3223

Fax (240) 313-3396

Enumeration date Jun 20, 2005

Last updated in NPPES Sep 11, 2025

Taxonomy & licenses

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians · License D-05632 (MD) Secondary

2080A0000X Pediatric Adolescent Medicine Physician Allopathic & Osteopathic Physicians · License D-05632 (MD) Primary

2083P0901X Public Health & General Preventive Medicine Physician Allopathic & Osteopathic Physicians · License D-05632 (MD) Secondary

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
M-04819	Other	MD	CDS #
D05632	Other	MD	PHYSICIAN LICENSE - MD

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 Ronald Keyser?

The National Provider Identifier (NPI) for Ronald Keyser is 1629073192, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ronald Keyser practice?

The practice location on file with NPPES is in Hagerstown, MD. 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 2025-09-11.