Physician Profile
Unclaimed ProfileAbout O'BRIEN
Thomas Patrick O'Brien, PA-C is a healthcare provider located in Plymouth, MA. Thomas is also listed as specialising in physician assistant and physician assistant — surgical. According to Medicare claims data, Thomas cared for 1,070 Medicare patients across 9,774 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Areas of Expertise
Common questions
Where can I find Dr. O'Brien?
Dr. O'Brien is listed at 23 WHITE ST, Plymouth, MA 02360. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. O'Brien?
The number on file is (774) 991-1400. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. O'Brien's NPI number?
Dr. O'Brien's National Provider Identifier is 1225447626. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How long has Dr. O'Brien been practising?
Dr. O'Brien has 12+ years experience. Registered with an NPI since 2014. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practised for longer than this.
NPI registry
What is Dr. O'Brien known for?
According to Medicare billing data, Dr. O'Brien performs procedures including aspiration and/or injection of fluid from large joint, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. O'Brien confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. O'Brien. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (774) 991-1400
- Email not available
Practice Locations
23 WHITE ST
Plymouth, MA 02360
Procedures Most Often Billed to Medicare
9,774 services · 1,070 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Aspiration and/or injection of fluid from large joint | Procedure | 20610 |
449 |
| Injection, methylprednisolone acetate, 1 mg | Drug given | J1010 |
5,340 |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
3,432 |
| Injection, methylprednisolone acetate, 80 mg | Drug given | J1040 |
13 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
183 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
166 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
140 |
| New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more | Office visit | 99202 |
51 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also performs Aspiration and/or injection of fluid from large joint 8
Providers in MA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.