Theodore O'Brien
NPI 1538841309 · Physical Therapist · New York, NY
Enrolled with Medicare as Practitioner - Physical Therapist in Private Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theodore O'Brien is a Physical Therapist provider in New York, NY (NPI 1538841309).
Provider details
- NPI number
- 1538841309
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
2 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,547 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Therapy Procedure Using Exercise to Develop Strength, Endurance, Range of Motion, and Flexibility, Each 15 Minutes97110 | 542 | $25 |
| Therapy Procedure Using Manual Technique, Each 15 Minutes97140 | 419 | $22 |
| Therapy Procedure to Re-Educate Brain-To-Nerve-To-Muscle Function, Each 15 Minutes97112 | 379 | $35 |
| Therapy Procedure Using Functional Activities97530 | 167 | $40 |
| Evaluation for Physical Therapy, Typically 20 Minutes97161 | 28 | $110 |
| Training for Self-Care Or Home Management, Each 15 Minutes97535 | 12 | $28 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-08-02
- Last updated
- 2023-08-02
- Certified
- 2023-08-02
Frequently asked questions
- What is Theodore O'Brien's NPI number?
- Theodore O'Brien's National Provider Identifier (NPI) is 1538841309, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theodore O'Brien's specialty?
- Theodore O'Brien is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Theodore O'Brien located?
- Theodore O'Brien's practice location on file with NPPES is 815 2nd Ave Rm 701, New York, NY 10017-4500.
- What is Theodore O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Theodore O'Brien is (212) 499-0848.
- Does Theodore O'Brien accept Medicare?
- Theodore O'Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theodore O'Brien's NPI active?
- Yes — Theodore O'Brien's NPI (1538841309) is active in the NPPES registry as of the last update on 2023-08-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.