Physician Profile
Unclaimed ProfileAbout O'BRIEN
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Areas of Expertise
Common questions
What is Dr. O'Brien's specialty?
Dr. O'Brien is a physical therapist in Annapolis, MD. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Physical Therapist”.
NPI registry
Where can I find Dr. O'Brien?
Dr. O'Brien is listed at 2327 FOREST DR STE D, Annapolis, MD 21401. 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 (443) 782-7243. 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 1558033530. 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 5+ years experience. Registered with an NPI since 2021. 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 provides treatments such as therapy procedure using functional activities and therapy procedure in a group setting. 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
- (443) 782-7243
- Email not available
Practice Locations
2327 FOREST DR STE D
Annapolis, MD 21401
Procedures Most Often Billed to Medicare
389 services · 115 patients · 5 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Therapy procedure using functional activities | Treatment | 97530 |
136 |
| Therapy procedure in a group setting | Treatment | 97150 |
81 |
| Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes | Treatment | 97112 |
71 |
| Therapy procedure using manual technique, each 15 minutes | Treatment | 97140 |
57 |
| Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | Treatment | 97110 |
44 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other physical therapists in Annapolis 8
Same specialty, same city.
More connections — 8 related providers in 1 group
Also performs Therapy procedure using functional activities 8
Providers in MD 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.