John M Willis, DO

Internal medicine physician in Mansfield, Texas · NPI 1205891207

John Willis is one of 52 internal medicine physicians practicing in Mansfield, Texas. John Willis practices with Medhealth.

Registry record (NPPES)

NPI
1205891207
Type
Type 1 · Individual
Primary taxonomy
Internal Medicine · 207R00000X
Address on file
252 Matlock Rd Ste 130
Mansfield, TX 76063-4295
(682) 242-8990
Enumerated
Apr 20, 2006
Record last updated
Mar 23, 2022
License states listed
TX

Medicare (CMS)

Enrollment
Medicare-enrolled in TX
Internal Medicine
Revalidation due
No date set by CMS

The registry stops here. NPivot keeps going.

  • Part D prescribing
  • Procedure volumes by CPT code
  • Group affiliations and colleagues
  • Full enrollment history
See the full profile free Free account. No card, no call.

Practice locations

More internal medicine physicians in Mansfield

Updated August 2026. Practice locations and specialty come from the CMS Doctors and Clinicians file, the registry record from NPPES, and enrollment from CMS Medicare enrollment files. NPI records are corrected at the source, through NPPES.