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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. RONALD EDWARD KEYSER M.D.
NPI 1629073192
Pediatrics - Adolescent Medicine in Hagerstown, MD

Active since June 20, 2005
1302 PENNSYLVANIA AVE, HAGERSTOWN, MD 21742(240) 313-3223(240) 313-3396 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 13, 2026, Sep 11, 2025, Mar 7, 2023 (3 updates tracked since 2023).

About Dr. Ronald Edward Keyser M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RONALD EDWARD KEYSER M.D. (NPI 1629073192) is an individual adolescent medicine provider in Hagerstown, Maryland, licensed in Maryland (D-05632) and active in the NPI registry since June 2005.

NPPES Registry Identity

NPI1629073192
Entity TypeIndividualMale
Primary Taxonomy2080A0000X
Provider Legal NameDR. RONALD EDWARD KEYSERCredential: M.D.
Location Address1302 PENNSYLVANIA AVEHagerstown, MD 21742-3108
Mailing Address1302 Pennsylvania AveHagerstown, MD 21742-3108 · (240) 313-3223 · Fax (240) 313-3396
Phone(240) 313-3223
Fax(240) 313-3396
Sole ProprietorNo
Enumeration DateJune 20, 2005
Last NPPES UpdateJuly 13, 20263 updates tracked since enumeration
✔ NPI 1629073192 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatrics · Adolescent MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080A0000X
License✔ Licensed in MD · D-05632
Definition
A pediatrician who specializes in adolescent medicine is a multi-disciplinary healthcare specialist trained in the unique physical, psychological and social characteristics of adolescents, their healthcare problems and needs.
Also ListedPediatricsTaxonomy 208000000X · License D-05632 (MD)
Also ListedPreventive Medicine · Public Health & General Preventive MedicineTaxonomy 2083P0901X · License D-05632 (MD)
1302 PENNSYLVANIA AVE, Hagerstown, MD 21742
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Other Identifiers 2

OtherM-04819MD · Cds #
OtherD05632MD · Physician License - Md

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

HEATHER MYERS
Nutritionist (Nutrition, Education)
1302 PENNSYLVANIA AVE
HAGERSTOWN, MD 21742
Washington County (240) 313-3491
DAY REPORTING CENTER
Clinic/Center (Public Health, State or Local)
1302 PENNSYLVANIA AVE
HAGERSTOWN, MD 21742
Washington County (240) 313-3492
LISA MCCOY RD
Dietitian, Registered
1302 PENNSYLVANIA AVE
HAGERSTOWN, MD 21742
Washington County (240) 313-3300
NANCY PEARSON
Registered Nurse
1302 PENNSYLVANIA AVE
HAGERSTOWN, MD 21742
Washington County (240) 313-3475
LAURA KOONS CSC - AD
Counselor (Addiction (Substance Use Disorder))
1302 PENNSYLVANIA AVE
HAGERSTOWN, MD 21742
Washington County (240) 313-3329
WASHINGTON COUNTY HEALTH DEPARTMENT
Public Health or Welfare
1302 PENNSYLVANIA AVE
HAGERSTOWN, MD 21742
Washington County (240) 313-3492
TAMMY THORNTON RD
Dietitian, Registered
1302 PENNSYLVANIA AVE
HAGERSTOWN, MD 21742
Washington County (240) 313-3302
MELISSA SMYTHE CRAWFORD-HALTERMAN LCSW-C
Social Worker (Clinical)
1302 PENNSYLVANIA AVE
HAGERSTOWN, MD 21742
Washington County (240) 313-3200

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ronald Keyser's NPI number?

The NPI number for Ronald Keyser is 1629073192. It was assigned to this individual provider in the NPPES registry on June 20, 2005.

Where is Ronald Keyser located?

Ronald Keyser practices at 1302 Pennsylvania Ave, Hagerstown, MD 21742. The listed phone number is (240) 313-3223.

What is Ronald Keyser's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Adolescent Medicine, with taxonomy code 2080A0000X.

When was this NPI record last updated?

The NPPES record for Ronald Keyser was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.