Quick answers
- Where does Jonathan J. Obrien see patients?
- Medicare's clinician data lists 3 practice locations, including Avondale, AZ, Gilbert, AZ and Phoenix, AZ. Call before your visit to confirm the address.
- What is Jonathan J. Obrien's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Jonathan J. Obrien accept Medicare assignment?
- Yes. Medicare's clinician data says Jonathan J. Obrien 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 Jonathan J. Obrien?
- (480) 677-8282, as listed in official Medicare / NPI Registry data.
- What is Jonathan J. Obrien's NPI number?
- 1639880644. 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 Jonathan J. Obrien is enrolled with Medicare (CMS data updated 2026-10-02).
- 11435 W Buckeye Rd, Suite A106Avondale, AZ 85323 (480) 677‑8282
- 428 S Gilbert Rd, Suite 101Gilbert, AZ 85296 (480) 677‑8282
- 635 E Baseline RdPhoenix, AZ 85042 (602) 243‑7277
Group practices
Medicare enrollment lists Jonathan J. Obrien as a member of these groups (CMS data updated 2026-10-02).
- Good Health Medical PLLC222 clinicians in the group
- Mountain Park Health Center111 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Avondale
Clinicians with the same Medicare primary specialty in Avondale, AZ — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639880644 |
| 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