Doctor profile · Federal record
Dr. Calvin Williams, MD
Anesthesiology Physician · Anesthesiology Physician · Saint Louis, MO
- NPI 1326085465
- 20 yrs on file
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
11133 Dunn RD
Saint Louis, MO 631366119
(314) 653-5744 - Mailing address
-
15282 Brightfield Manor Dr
Chesterfield, MO 630172486
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- June 28, 2023
- Specialty taxonomy
- 207L00000X — NUCC code
- State licenses (2)
- Missouri #R3C29 · Missouri #MDR329
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1326085465. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
44
Distinct HCPCS
3
Medicare allowed
$4,240
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 18 | 18 | $105 | |
01922 |
Anesthesia for x-ray or radiation therapy | 15 | 14 | $97 | |
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 11 | 11 | $81 |
In context: peer comparison
Among 116 peers in Saint Louis Anesthesiology Physician, average services per provider: 26. This provider delivers 1.7× the peer median.Open Payments
Industry payments received
All-time total
$40
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Merck Sharp & Dohme LLC | 1 | $25.72 | |
| Inspire Medical Systems, INC. | 1 | $14.66 |
By nature of payment
Frequently asked questions
What is Dr. Calvin Williams's medical specialty?
Dr. Calvin Williams practices Anesthesiology Physician in Saint Louis, MO.
Where does Dr. Calvin Williams practice?
Dr. Calvin Williams practices at 11133 Dunn RD, Saint Louis, MO 631366119. Office phone: 3146535744.
What is Dr. Calvin Williams's NPI?
Dr. Calvin Williams's National Provider Identifier (NPI) is 1326085465, issued by NPPES.
What procedures does Dr. Calvin Williams commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for x-ray or radiation therapy (HCPCS 01922); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811). Source: CMS Medicare Physician & Other Practitioners file.