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Physician Profile

Andrew R. Williams, M.D.

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At a glance

About Dr. Williams

Based in Oak Park, IL, Andrew R. Williams, M.D. is listed in the NPI registry under emergency medicine. Andrew graduated from University of Michigan Medical School in 2016. According to Medicare claims data, Andrew cared for 173 Medicare patients across 182 services. The services billed most often include emergency department visit with high level of medical decision making, emergency department visit with moderate level of medical decision making, and critical care, first 30-74 minutes. NPI 1275988156 identifies this record in the national registry.

Factual summary compiled by Guide.md from public records; not written by this provider.

Specialty

Emergency Medicine (Primary)

Credentials & Licensing

IL licenceAs reported to the NPI registry
No. 036158129As reported
NPINational Provider Identifier
1275988156Issued 2016

As reported to the NPI registry ↗

Medicare information

Accepts Medicare assignmentYes
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 Andrew R. Williams specialize in?

Andrew R. Williams is an emergency physician in Oak Park, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.

NPI registry

Where is Andrew R. Williams located?

Andrew R. Williams is listed at 3 Erie CT, Oak Park, IL 60302. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Andrew R. Williams's phone number?

The number on file is (708) 763-6747. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Andrew R. Williams's NPI number?

Andrew R. Williams's National Provider Identifier is 1275988156. 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 Andrew R. Williams train?

Andrew R. Williams attended University of Michigan Medical School, graduating in 2016. This comes from the CMS National Downloadable File.

CMS public data

How long has Andrew R. Williams been practicing?

Andrew R. Williams has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.

CMS public data

What does Andrew R. Williams do most often?

According to Medicare billing data, Andrew R. Williams the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Andrew R. Williams confirmed this information?

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

Guide.md

Guide.md listings do not constitute medical advice or an endorsement.