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Physician Profile

William J. Willis, M.D.

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At a glance

About Dr. Willis

Based in Denville, NJ, William J. Willis, M.D. is listed in the NPI registry under anesthesiology. William is also listed as specializing in specialist. According to Medicare claims data, William cared for 316 Medicare patients across 321 services. The services billed most often include anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope, anesthesia for x-ray or radiation therapy, and anesthesia for other procedure on large bowel using an endoscope. NPI 1700882180 identifies this record in the national registry.

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

Education & Training

School Other Graduated: 1988

Specialty

Anesthesiology (Primary)

Credentials & Licensing

NJ licenceAs reported to the NPI registry
No. MA57865As reported
NJ licenceAs reported to the NPI registry
No. 25MA05786500As reported
NPINational Provider Identifier
1700882180Issued 2005

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 kind of doctor is William J. Willis?

William J. Willis is an anesthesiologist in Denville, NJ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.

NPI registry

What is William J. Willis's address?

William J. Willis is listed at 3130 Route 10, Denville, NJ 07834. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with William J. Willis?

The number on file is (973) 442-9980. Contact the office directly to confirm availability and scheduling.

NPI registry

What is William J. Willis's NPI number?

William J. Willis's National Provider Identifier is 1700882180. 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 William J. Willis train?

William J. Willis attended Other, graduating in 1988. This comes from the CMS National Downloadable File.

CMS public data

How long has William J. Willis been practicing?

William J. Willis has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.

CMS public data

What procedures does William J. Willis perform?

According to Medicare billing data, William J. Willis provides treatments such as anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope and anesthesia for x-ray or radiation therapy. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has William J. Willis confirmed this information?

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

Guide.md

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