ALYSON BLAKE WILLIS D.O.
NPI 1972767358
Obstetrics & Gynecology in Oklahoma City, OK
About Alyson Blake Willis D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALYSON BLAKE WILLIS D.O. (NPI 1972767358) is an individual obstetrics & gynecology provider in Oklahoma City, Oklahoma, licensed in Oklahoma (4700) and active in the NPI registry since July 2008. She is enrolled in Medicare PECOS, is affiliated with Ssm Health St Anthony Hospital - Oklahoma City, and is a graduate of Other (2007).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Alyson Blake Willis D.o. 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 Reassignment
Medicare enrollment records show Alyson Willis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Oklahoma City, OK 73116
- Reassigned Medicare billing, Oklahoma enrollment
- 507 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ssm Health St Anthony Hospital - Oklahoma City
Acute Care Hospitals · Oklahoma City, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 73102 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OKLAHOMA CITY, OK 73102
OKLAHOMA CITY, OK 73102
OKLAHOMA CITY, OK 73102
OKLAHOMA CITY, OK 73102
OKLAHOMA CITY, OK 73102
OKLAHOMA CITY, OK 73102
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 Alyson Willis's NPI number?
The NPI number for Alyson Willis is 1972767358. It was assigned to this individual provider in the NPPES registry on July 15, 2008.
Where is Alyson Willis located?
Alyson Willis practices at 608 NW 9th St Suite 2100, Oklahoma City, OK 73102. The listed phone number is (405) 272-8498.
What is Alyson Willis's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Alyson Willis enrolled in Medicare?
Yes. Alyson 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 organization bills Medicare for Alyson Willis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alyson Willis reassigns Medicare benefits to Saints Medical Group, LLC (Oklahoma City, OK). The 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 Alyson Willis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alyson Willis accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 4 other insurers list Alyson Willis as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Alyson Willis affiliated with any hospitals?
According to CMS data, Alyson Willis is affiliated with Ssm Health St Anthony Hospital - Oklahoma City.
When was this NPI record last updated?
The NPPES record for Alyson Willis was last updated on October 19, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Alyson Blake Willis, D.O. · NPI 1972767358
Obstetrics & Gynecology physician in Oklahoma City, Oklahoma. Individual provider, active in the CMS NPPES registry since July 15, 2008.
## Identity
- **NPI:** 1972767358 (Entity type: Individual)
- **Enumerated:** July 15, 2008
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 4700 (Oklahoma)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 608 NW 9TH ST, SUITE 2100, Oklahoma City, OK 73102-1068
- **Phone:** (405) 272-8498 · **Fax:** (405) 272-8425
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Saints Medical Group, LLC (NPI 1437195922, Oklahoma City, OK), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** October 19, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1972767358) · Data from the CMS NPPES public registry.