Quick answers
- Where does Jason P. Olszewski see patients?
- Medicare's clinician data lists 12 practice locations, including Owings Mills, MD, Lutherville, MD and Odenton, MD. Call before your visit to confirm the address.
- What is Jason P. Olszewski's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Jason P. Olszewski accept Medicare assignment?
- Yes. Medicare's clinician data says Jason P. Olszewski 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 Jason P. Olszewski?
- (410) 902-6776, as listed in official Medicare / NPI Registry data.
- What is Jason P. Olszewski's NPI number?
- 1548458128. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Jason P. Olszewski is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 12; the Medicare profile lists all.
- 10210 Reisterstown RdOwings Mills, MD 21117 (410) 902‑6776
- 10755 Falls Rd, Suite 160Lutherville, MD 21093 (410) 583‑2777
- 1110 Annapolis RdOdenton, MD 21113 (443) 351‑3917
- 2051 W StAnnapolis, MD 21401 (443) 603‑0758
- 21044 Frederick RdGermantown, MD 20876 (240) 238‑5432
Group practices
Medicare enrollment lists Jason P. Olszewski as a member of this group (CMS data updated 2026-10-02).
- Patient First Maryland Medical Group PLLC254 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Owings Mills
Clinicians with the same Medicare primary specialty in Owings Mills, MD — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1548458128 |
| Corrections | Report 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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians