Ronald D. Jeffreys, DO
Ronald D. Jeffreys, DO is an Internal Medicine in Baltimore, Maryland. Graduated from Philadelphia College of Osteopathic Medicine in 1995, 31 years ago. Practices with Pinnacle Health Hospitalist Services LLC, a 179-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in Maryland and Pennsylvania.
- Years since qualifying
- 31
- Trained at
- Philadelphia College of Osteopathic Medicine
- Licensed in
- MD, PA
- In the registry since
- 2006
- Specialties on file
- 2
What do these letters mean?
- DO — Doctor of Osteopathic Medicine
- A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.
Practice location Address checks out
8800 Walther BlvdBaltimore, MD 21234-9001
Phone: (410) 882-3240
Fax: (410) 661-5093
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Additional practice locations (4)
- 7051 Rockledge Dr, Bethesda, MD 20817-1680 — (301) 272-9830
- 711 Maiden Choice Ln, Catonsville, MD 21228-3632 — (410) 247-5602
- 3110 Gracefield Rd, Silver Spring, MD 20904-1820 — (301) 572-8340
- 1701 Innovation Dr, York, PA 17408-8815 — (717) 843-8623
Specialties & licences
| Internal Medicine Physician (primary) | Taxonomy 207R00000X · Licence OS023315 (PA) |
|---|---|
| Internal Medicine Physician | Taxonomy 207R00000X · Licence H0052365 (MD) |
Record details
| NPI number | 1750347282 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | DO |
| Sole proprietor | No |
| NPI enumerated | April 24, 2006 |
| Last updated in NPPES | July 29, 2026 |
| Certification date | July 29, 2026 |
Medicare enrollment
| Medicare specialty | INTERNAL MEDICINE |
|---|---|
| Medical school | PHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE |
| Graduated | 1995 (31 years in practice) |
| Group practice | Pinnacle Health Hospitalist Services Llc — 179 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
| Practice locations | 3 on file with Medicare |
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