Quick answers
- Where does Peter R. Oconnor see patients?
- Medicare's clinician data lists 1 practice location in Arlington, MA. Call before your visit to confirm the address.
- What is Peter R. Oconnor's specialty?
- Medicare lists Clinical Psychologist as the primary specialty.
- Does Peter R. Oconnor accept Medicare assignment?
- Yes. Medicare's clinician data says Peter R. Oconnor 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.
- Does Peter R. Oconnor offer telehealth?
- Medicare's clinician data says Peter R. Oconnor offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Peter R. Oconnor?
- (781) 646-2670, as listed in official Medicare / NPI Registry data.
- What is Peter R. Oconnor's NPI number?
- 1184603334. 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 Peter R. Oconnor is enrolled with Medicare (CMS data updated 2026-10-02).
- 226 Massachusetts Ave, Suite 3Arlington, MA 02474 (781) 646‑2670
Specialties
- Clinical Psychologistprimary
Find other clinicians: Clinical Psychologist, Massachusetts →
Other clinical psychologists in Arlington
Clinicians with the same Medicare primary specialty in Arlington, MA — not a recommendation.
Clinician information
| Credential | CP |
|---|---|
| Graduation year | 1984 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1184603334 |
| 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