Doctor profile · Federal record
Dr. Gary Fennema, D.O.
Emergency Medicine Physician (CMS: Emergency Medicine) · Tulsa, OK
- NPI 1578003992
- Accepts Medicare
- MIPS 89.6 / 100 · 2023
- 9 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
744 W 9Th St
Tulsa, OK 741279020
(918) 599-1000 - Mailing address
-
2622 W 112Th Pl S
Jenks, OK 740372127
Credentials & registration
- NPI registered
- March 2017 — 9 yrs on file
- Profile last updated
- December 17, 2022
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Oklahoma #6402
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578003992. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
177
Distinct HCPCS
4
Medicare allowed
$18,451
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 58 | 51 | $115 | |
99285 |
Emergency department visit with high level of medical decision making | 57 | 56 | $168 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 34 | 33 | $8 | |
99283 |
Emergency department visit with low level of medical decision making | 28 | 28 | $69 |
In context: peer comparison
Among 100 peers in this city , average services per provider: 100. This provider delivers 1.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
41
Patients
40
Total drug cost
$363
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 24 | 24 | $244 |
| Ondansetron Odt (Ondansetron) | Brand | 17 | 16 | $119 |
Frequently asked questions
What is Dr. Gary Fennema's medical specialty?
Dr. Gary Fennema practices Emergency Medicine Physician in Tulsa, OK.
Where does Dr. Gary Fennema practice?
Dr. Gary Fennema practices at 744 W 9Th St, Tulsa, OK 741279020. Office phone: 9185991000.
What is Dr. Gary Fennema's NPI?
Dr. Gary Fennema's National Provider Identifier (NPI) is 1578003992, issued by NPPES.
Does Dr. Gary Fennema accept Medicare assignment?
Yes. Dr. Gary Fennema accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gary Fennema commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.