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Internal Medicine

Ronald D. Jeffreys, MD

Works at hospitals in York, PA · Pennsylvania

Summary

Ronald D. Jeffreys, MD (Internal Medicine) is listed by Medicare at 1 hospital in York, PA. NPI 1750347282. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Ronald D. Jeffreys, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
31Years since medical school (graduated 1995)
Philadelphia College Of Osteopathic MedicineMedical school
MaleGender (as listed)
Pinnacle Health Hospitalist Services LLCGroup practice (+1 more)

Quick answers

Which hospitals does Ronald D. Jeffreys work at?
Medicare's official clinician data lists Ronald D. Jeffreys at 1 hospital: UPMC Memorial. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ronald D. Jeffreys see patients?
Medicare's clinician data lists 3 practice locations, including York, PA, Catonsville, MD and Baltimore, MD. Call before your visit to confirm the address.
What is Ronald D. Jeffreys's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Ronald D. Jeffreys accept Medicare assignment?
Yes. Medicare's clinician data says Ronald D. Jeffreys accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Ronald D. Jeffreys?
(717) 843-8623, as listed in official Medicare / NPI Registry data.
What is Ronald D. Jeffreys's NPI number?
1750347282. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ronald D. Jeffreys works

Medicare's Facility Affiliation Data lists Ronald D. Jeffreys at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Ronald D. Jeffreys is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Ronald D. Jeffreys as a member of these groups (CMS data updated 2026-10-02).

  • Pinnacle Health Hospitalist Services LLC177 clinicians in the group
  • Erickson Health Medical Group of Maryland, PC39 clinicians in the group

Specialties

Find other Internal Medicine doctors in Pennsylvania →

Other internal medicine doctors in York

Clinicians with the same Medicare primary specialty in York, PA — not a recommendation.

All internal medicine doctors in York →

Clinician information

CredentialMD
Medical schoolPhiladelphia College Of Osteopathic Medicine
Graduation year1995
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1750347282
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians