Physician Profile

Calvin E. Williams, MD

Unclaimed Profile

About Dr. Williams

Based in Saint Louis, MO, Calvin E. Williams, MD is listed in the NPI registry under anesthesiology. Calvin graduated from University of Michigan Medical School in 1979. Medicare claims data shows Calvin provided 71 services to 69 patients. The services billed most often include anesthesia for other procedure on large bowel using an endoscope, anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope, and anesthesia for x-ray or radiation therapy.

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.

Education & Training

Specialty

Anesthesiology (Primary)
Anesthesiology (Additional)

Credentials & Licensing

MO licenseMDR329
MO licenseR3C29
NPI1326085465
NPI issued05/31/2006

License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.

Medicare information

Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What does Dr. Williams specialize in?

Dr. Williams is an anesthesiologist in Saint Louis, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.

NPI registry

Where is Dr. Williams located?

Dr. Williams is listed at 11133 Dunn Rd, Saint Louis, MO 63136. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Williams's phone number?

The number on file is (314) 653-5744. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Dr. Williams?

Dr. Williams's National Provider Identifier is 1326085465. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Where did Dr. Williams go to medical school?

Dr. Williams attended University of Michigan Medical School, graduating in 1979. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Dr. Williams have?

Dr. Williams has 47 years experience. Calculated from a graduation year of 1979, reported in the CMS National Downloadable File.

CMS public data

What does Dr. Williams do most often?

According to Medicare billing data, Dr. Williams provides treatments such as anesthesia for other procedure on large bowel using an endoscope and anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Is Dr. Williams's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Williams. If this is you, claiming it is free.

Guide.md

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.