JASON WILLIS MD
NPI 1679603153
Internal Medicine in Ardmore, OK
About Jason Willis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JASON WILLIS MD (NPI 1679603153) is an individual internal medicine provider in Ardmore, Oklahoma, licensed in Oklahoma (29655) and active in the NPI registry since March 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1997).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Jason Willis Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Jason Willis reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lawton, OK 73505
- Reassigned Medicare billing, Oklahoma enrollment
- 56 clinicians in this Medicare group
Oklahoma City, OK 73120
- Reassigned Medicare billing, Oklahoma enrollment
- 975 clinicians in this Medicare group
Arlington, TX 76016
- Reassigned Medicare billing, Texas enrollment
- 20 clinicians in this Medicare group
Eagle Butte, SD 57625
- Reassigned Medicare billing, Texas enrollment
- 282 clinicians in this Medicare group
Saipan, MP 96950
- Reassigned Medicare billing, Northern Mariana Islands enrollment
- 3 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 73401 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Jason Willis's NPI number?
The NPI number for Jason Willis is 1679603153. It was assigned to this individual provider in the NPPES registry on March 6, 2007.
Where is Jason Willis located?
Jason Willis practices at 1101 12th Ave, NW Mercy Ardmore Hospital Wound Care Center, Ardmore, OK 73401. The listed phone number is (580) 220-6290.
What is Jason Willis's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Jason Willis enrolled in Medicare?
Yes. Jason Willis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Jason Willis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jason Willis reassigns Medicare benefits to 5 organizations: Healogics Specialty Physicians Of Oklahoma, PLLC (Lawton, OK), Mercy Clinic Oklahoma Communities (Oklahoma City, OK), Access 360 Care Inc (Arlington, TX), Eagle Butte Indian Health Service Hospital (Eagle Butte, SD) and Mmc & Pacific Labs, LLC (Saipan, MP). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jason Willis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Jason Willis was last updated on October 19, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.