Doctor profile · Federal record
Dr. Warren Nix, CRNA
Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Lawton, OK
- NPI 1427353143
- Accepts Medicare
- 16 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3401 W Gore Blvd
Lawton, OK 735056332
(580) 585-5534
fax (580) 585-5458
Credentials & registration
- NPI registered
- January 2011 — 15 yrs on file
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 367500000X — NUCC code
- State license (1)
- Oklahoma #71393
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1427353143. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
337
Distinct HCPCS
10
Medicare allowed
$47,059
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00813 |
Anesthesia for procedure on small and large bowel using an endoscope | 59 | 59 | $134 | |
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 50 | 49 | $114 | |
00812 |
Anesthesia for exam of colon using an endoscope | 43 | 43 | $83 | |
36569 |
Insertion of tube for infusion (5 years or older) | 33 | 32 | $88 | |
64447 |
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 33 | 32 | $60 | |
01402 |
Anesthesia for procedure for total knee joint replacement | 32 | 31 | $416 | |
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 31 | 31 | $104 | |
00520 |
Anesthesia for other closed procedure on chest | 20 | 19 | $156 | |
01992 |
Anesthesia for nerve block and injection procedure, prone position | 13 | 13 | $123 | |
01810 |
Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand | 12 | 12 | $165 |
In context: peer comparison
Among 8 peers in Lawton Certified Registered Nurse Anesthetist, average services per provider: 42. This provider delivers 8.0× the peer median.Frequently asked questions
What is Dr. Warren Nix's medical specialty?
Dr. Warren Nix practices Certified Registered Nurse Anesthetist in Lawton, OK.
Where does Dr. Warren Nix practice?
Dr. Warren Nix practices at 3401 W Gore Blvd, Lawton, OK 735056332. Office phone: 5805855534.
What is Dr. Warren Nix's NPI?
Dr. Warren Nix's National Provider Identifier (NPI) is 1427353143, issued by NPPES.
Does Dr. Warren Nix accept Medicare assignment?
Yes. Dr. Warren Nix accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Warren Nix commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for procedure on small and large bowel using an endoscope (HCPCS 00813); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for exam of colon using an endoscope (HCPCS 00812). Source: CMS Medicare Physician & Other Practitioners file.