Doctor profile · Federal record
Dr. Gregory Thielen, OTR
Hand Occupational Therapist (CMS: Occupational Therapist in Private Practice) · Corvallis, OR
- NPI 1306221510
- Accepts Medicare
- 40 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2797 Nw 9Th St
Corvallis, OR 973303857
(541) 207-0910
Credentials & registration
- NPI registered
- July 2015 — 11 yrs on file
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 225XH1200X — NUCC code
- State license (1)
- Oregon #914584
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1306221510. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
443
Distinct HCPCS
3
Medicare allowed
$12,378
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
97140 |
Therapy procedure using manual technique, each 15 minutes | 221 | 27 | $20 | |
97110 |
Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes | 193 | 31 | $27 | |
97166 |
Evaluation for occupational therapy, typically 45 minutes | 29 | 27 | $95 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 147. This provider delivers 3.0× the peer median.Frequently asked questions
What is Dr. Gregory Thielen's medical specialty?
Dr. Gregory Thielen practices Hand Occupational Therapist in Corvallis, OR.
Where does Dr. Gregory Thielen practice?
Dr. Gregory Thielen practices at 2797 Nw 9Th St, Corvallis, OR 973303857. Office phone: 5412070910.
What is Dr. Gregory Thielen's NPI?
Dr. Gregory Thielen's National Provider Identifier (NPI) is 1306221510, issued by NPPES.
Does Dr. Gregory Thielen accept Medicare assignment?
Yes. Dr. Gregory Thielen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Thielen commonly perform?
Top Medicare-reported procedures in 2023: Therapy procedure using manual technique (HCPCS 97140); Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility (HCPCS 97110); Evaluation for occupational therapy, typically 45 minutes (HCPCS 97166). Source: CMS Medicare Physician & Other Practitioners file.