Doctor profile · Federal record
Dr. Maria Williams, CRNA
Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Certified Registered Nurse Anesthetist · Registered Nurse · Oklahoma City, OK
- NPI 1770743361
- Accepts Medicare
- 17 yrs in practice
- Licensed in 2 states
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1000 N Lee Ave
Oklahoma City, OK 731021036
(405) 272-7000
fax (405) 272-8451
Credentials & registration
- NPI registered
- June 2008 — 18 yrs on file
- Profile last updated
- September 15, 2014
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 367500000X — NUCC code
- State licenses (3)
- Oklahoma #113819 · California #082581 · California #727063
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1770743361. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
263
Distinct HCPCS
4
Medicare allowed
$36,025
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 124 | 123 | $131 | |
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 68 | 68 | $141 | |
00813 |
Anesthesia for procedure on small and large bowel using an endoscope | 46 | 46 | $167 | |
00812 |
Anesthesia for exam of colon using an endoscope | 25 | 25 | $104 |
In context: peer comparison
Among 61 peers in Oklahoma City Certified Registered Nurse Anesthetist, average services per provider: 27. This provider delivers 9.7× the peer median.Open Payments
Industry payments received
All-time total
$53
Transactions
3
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 3 | $52.74 |
By nature of payment
Frequently asked questions
What is Dr. Maria Williams's medical specialty?
Dr. Maria Williams practices Certified Registered Nurse Anesthetist in Oklahoma City, OK.
Where does Dr. Maria Williams practice?
Dr. Maria Williams practices at 1000 N Lee Ave, Oklahoma City, OK 731021036. Office phone: 4052727000.
What is Dr. Maria Williams's NPI?
Dr. Maria Williams's National Provider Identifier (NPI) is 1770743361, issued by NPPES.
Does Dr. Maria Williams accept Medicare assignment?
Yes. Dr. Maria Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maria Williams commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for procedure on small and large bowel using an endoscope (HCPCS 00813). Source: CMS Medicare Physician & Other Practitioners file.