Quick answers
- Where does Jessica O Brien see patients?
- Medicare's clinician data lists 3 practice locations, including Baltimore, MD, Greenbelt, MD and Silver Spring, MD. Call before your visit to confirm the address.
- What is Jessica O Brien's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Jessica O Brien accept Medicare assignment?
- Yes. Medicare's clinician data says Jessica O Brien 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 Jessica O Brien?
- (410) 814-4500, as listed in official Medicare / NPI Registry data.
- What is Jessica O Brien's NPI number?
- 1902204340. 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 Jessica O Brien is enrolled with Medicare (CMS data updated 2026-10-02).
- 5100 Eastern Ave, BayviewBaltimore, MD 21224 (410) 814‑4500
- 7500 Hanover PkwyGreenbelt, MD 20770 (301) 220‑2220
- 8206 Georgia AveSilver Spring, MD 20910 (301) 960‑4682
Group practices
Medicare enrollment lists Jessica O Brien as a member of these groups (CMS data updated 2026-10-02).
- Patient First Maryland Medical Group PLLC254 clinicians in the group
- Sridhar Chatrathi MD PC3 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Baltimore
Clinicians with the same Medicare primary specialty in Baltimore, MD — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2014 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1902204340 |
| 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