Mr. Daniel Patrick O'Brien, PA-C
Mr. Daniel Patrick O'Brien, PA-C is a Physician Assistant in Southborough, Massachusetts. Qualified in 2021, 5 years ago. Practices with Milford Regional Physician Group, Inc, a 224-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Massachusetts.
- Years since qualifying
- 5
- Licensed in
- MA
- In the registry since
- 2020
- Specialties on file
- 2
What do these letters mean?
- PA-C — Physician Assistant, Certified
- A physician assistant who holds current national certification.
Practice location Address checks out
9 Watkins LnSouthborough, MA 01772-2072
Phone: (508) 612-1567
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 (1)
- 129 S Main St, Milford, MA 01757-3290 — (774) 462-3339
Specialties & licences
| Emergency Medicine Physician (primary) | Taxonomy 207P00000X · Licence PA8087 (MA) |
|---|---|
| Physician Assistant | Taxonomy 363A00000X · Licence PA8087 (MA) |
Record details
| NPI number | 1689284366 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Male |
| Credentials | PA-C |
| Sole proprietor | Yes |
| NPI enumerated | August 6, 2020 |
| Last updated in NPPES | August 28, 2025 |
| Certification date | August 28, 2025 |
| Mailing address | 8 Cirrus Dr Apt 8103, Ashland, MA 01721-4458 |
Medicare enrollment
| Medicare specialty | PHYSICIAN ASSISTANT |
|---|---|
| Medical school | OTHER |
| Graduated | 2021 (5 years in practice) |
| Group practice | Milford Regional Physician Group, Inc. — 224 clinicians |
| Accepts Medicare assignment | Yes — accepts the Medicare-approved amount |
| Practice locations | 8 on file with Medicare |