Doctor profile · Federal record
Dr. Timothy Hsieh, M.D.
Geriatric Medicine (Internal Medicine) Physician (CMS: Internal Medicine) · Tahlequah, OK
- NPI 1265423883
- Accepts Medicare
- MIPS 77.5 / 100 · 2023
- 28 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
100 S Bliss Ave
Tahlequah, OK 744642512
(918) 458-3110 - Mailing address
-
201 Greentree Dr
Tahlequah, OK 744644159
Credentials & registration
- NPI registered
- November 2005 — 21 yrs on file
- Profile last updated
- January 11, 2011
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207RG0300X — NUCC code
- State license (1)
- New York #220511
- Medicaid
- OK #200015040A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265423883. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
448
Distinct HCPCS
6
Medicare allowed
$50,834
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 174 | 61 | $100 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 112 | 107 | $165 | |
99238 |
Hospital discharge day management, 30 minutes or less | 52 | 50 | $69 | |
95810 |
Sleep study in sleep lab (6 years or older) | 48 | 42 | $112 | |
95811 |
Sleep study in sleep lab with continuous airway pressure (6 years or older) | 38 | 33 | $118 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 24 | 12 | $69 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 74. This provider delivers 6.1× the peer median.Frequently asked questions
What is Dr. Timothy Hsieh's medical specialty?
Dr. Timothy Hsieh practices Geriatric Medicine (Internal Medicine) Physician in Tahlequah, OK.
Where does Dr. Timothy Hsieh practice?
Dr. Timothy Hsieh practices at 100 S Bliss Ave, Tahlequah, OK 744642512. Office phone: 9184583110.
What is Dr. Timothy Hsieh's NPI?
Dr. Timothy Hsieh's National Provider Identifier (NPI) is 1265423883, issued by NPPES.
Does Dr. Timothy Hsieh accept Medicare assignment?
Yes. Dr. Timothy Hsieh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Hsieh commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.