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Physician Profile

John M. Willis, DO

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Where to find John M. Willis, DO

About Dr. Willis

John M. Willis, DO practices internal medicine in Mansfield, TX. John is a 1990 graduate of University of North Texas Hsc, College of Osteopathic Med. Medicare claims data shows John provided 787 services to 503 patients. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and administration of influenza virus vaccine. The provider's National Provider Identifier (NPI) is 1205891207.

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

Specialty

Internal Medicine (Primary)

Credentials & Licensing

TX licenceAs reported to the NPI registry
No. J0366As reported
NPINational Provider Identifier
1205891207Issued 2006

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 Dr. Willis?

Dr. Willis is an internist in Mansfield, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.

NPI registry

What is Dr. Willis's address?

Dr. Willis is listed at 252 Matlock Rd Ste 130, Mansfield, TX 76063. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Dr. Willis?

The number on file is (682) 242-8990. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Dr. Willis?

Dr. Willis's National Provider Identifier is 1205891207. 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. Willis train?

Dr. Willis attended University of North Texas Hsc, College of Osteopathic Med, graduating in 1990. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Dr. Willis have?

Dr. Willis has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.

CMS public data

What procedures does Dr. Willis perform?

According to Medicare billing data, Dr. Willis provides treatments such as influenza vaccine split virus, preservative free and pneumococcal conjugate vaccine, 20 valent , for intramuscular use, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Is Dr. Willis's profile verified?

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

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