Doctor profile · Federal record
Dr. Claire Trefethen, OTD
Occupational Therapist (CMS: Occupational Therapist in Private Practice) · Occupational Therapist · Brooklyn, NY
- NPI 1740950138
- Accepts Medicare
- 5 yrs in practice
- Licensed in 2 states
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
41 Clark St
Brooklyn, NY 112012415
(646) 518-5566 - Additional location
-
65 E University Dr
Tempe, AZ 852811091
(480) 317-4444 - Mailing address
-
102 Madison Ave Fl 8
New York, NY 100167584
Credentials & registration
- NPI registered
- September 2021 — 5 yrs on file
- Profile last updated
- April 17, 2025
- Year of graduation
- 2021 — 5 yrs since
- Specialty taxonomy
- 225X00000X — NUCC code
- State licenses (2)
- New York #027577 · Arizona #OTH-008610
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1740950138. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,184
Distinct HCPCS
6
Medicare allowed
$36,334
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
97530 |
Therapy procedure using functional activities | 352 | 28 | $38 | |
97110 |
Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | 315 | 24 | $25 | |
97140 |
Therapy procedure using manual technique, each 15 minutes | 315 | 26 | $23 | |
97112 |
Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes | 148 | 16 | $32 | |
97535 |
Training for self-care or home management, each 15 minutes | 36 | 22 | $28 | |
97165 |
Evaluation for occupational therapy, typically 30 minutes | 18 | 18 | $115 |
In context: peer comparison
Among 76 peers in this city , average services per provider: 567. This provider delivers 2.1× the peer median.Frequently asked questions
What is Dr. Claire Trefethen's medical specialty?
Dr. Claire Trefethen practices Occupational Therapist in Brooklyn, NY.
Where does Dr. Claire Trefethen practice?
Dr. Claire Trefethen practices at 41 Clark St, Brooklyn, NY 112012415. Office phone: 6465185566.
What is Dr. Claire Trefethen's NPI?
Dr. Claire Trefethen's National Provider Identifier (NPI) is 1740950138, issued by NPPES.
Does Dr. Claire Trefethen accept Medicare assignment?
Yes. Dr. Claire Trefethen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Claire Trefethen commonly perform?
Top Medicare-reported procedures in 2023: Therapy procedure using functional activities (HCPCS 97530); Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility (HCPCS 97110); Therapy procedure using manual technique (HCPCS 97140). Source: CMS Medicare Physician & Other Practitioners file.