Jeffrey A. Keyser, DO
Surgery Physician · Ephrata, PA
Jeffrey A. Keyser, DO is a surgery physician with a practice address in Ephrata, Pennsylvania, and NPI 1346233400, issued on Aug 24, 2005. Check the license (Pennsylvania OS-004694L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Jeffrey A. Keyser
- Credential
- DO
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- OS-004694L PA
Self-reported in NPPES; status is on the state search - Practice location
- 804 Grandview Dr Ste 2, Ephrata, PA 17522
- Phone
- (717) 466-2500
- Enumerated
- Aug 24, 2005
- Record last updated
- Aug 20, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (717) 733-7865
- Medicaid IDs
- 09786390009 PA
0078174890004 PA - Entity
- Type 1 · individual
8 nearest surgery physician records → All 1,867 in Pennsylvania → Look up another NPI →
Also registered at 804 Grandview Dr Ste 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carlos Donayre, M.D.Vascular Surgery Physician1134191752
- Jose Mejia Aguirre, M.D.Surgery Physician1992737373
- Jonathan Palmer, PAPhysician Assistant1902455538
- William Piepgrass, M.D.Surgery Physician1053392605
- David Yearsley, M.D.Surgery Physician1629335187
- Osvaldo Zumba, M.D.Surgery Physician1912261983
Verify Jeffrey A. Keyser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS-004694LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average surgery physician in 2024
31 Medicare Part D claims, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Omeprazole22 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Jeffrey A. Keyser among 1,867 surgery physician records in Pennsylvania
Jeffrey A. Keyser, DO is one of 1,867 surgery physician records with a practice address in Pennsylvania. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2018 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
8 surgery physician records list a practice address in Ephrata
They are 8 of the 574 NPPES records with a practice address in Ephrata, and 1,867 surgery physician records in Pennsylvania.
All 1,867 in Pennsylvania → Every provider in Ephrata → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Herbert Hoover, M.DEphrata, PA 175221386683613
- William Ives, M.D.Ephrata, PA 175221841269354
- Jose Mejia Aguirre, M.D.Ephrata, PA 175221992737373
- William Piepgrass, M.D.Ephrata, PA 175221053392605
- Heather Portaro, M.D.Ephrata, PA 175221609130129
- David Yearsley, M.D.Ephrata, PA 175221629335187
- Osvaldo Zumba, M.D.Ephrata, PA 175221912261983
- Vladimir Iakomi, MDChristiana, PA 175091023038874
Common questions
What is Jeffrey A. Keyser, DO's NPI number?
Jeffrey A. Keyser, DO's National Provider Identifier (NPI) is 1346233400, issued on Aug 24, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey A. Keyser, DO located?
The NPPES record lists a practice address at 804 Grandview Dr Ste 2, Ephrata, PA, 17522. Phone: (717) 466-2500. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey A. Keyser, DO's license?
NPPES lists Pennsylvania license number OS-004694L, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jeffrey A. Keyser, DO prescribe under Medicare Part D?
In 2024, Jeffrey A. Keyser, DO had 31 Medicare Part D claims; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.