MRS. ASHLEY DINKEL WESTERMAN
NPI 1003164716
Nurse Anesthetist, Certified Registered in Tulsa, OK
About Mrs. Ashley Dinkel Westerman NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. ASHLEY DINKEL WESTERMAN (NPI 1003164716) is an individual nurse anesthetist, certified registered in Tulsa, Oklahoma, licensed in Oklahoma (R0102141) and active in the NPI registry since August 2012. She is affiliated with St John Owasso and is a graduate of Other (2012).
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
Mrs. Ashley Dinkel Westerman 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
2Medicare enrollment records show Ashley Westerman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tulsa, OK 74146
- Reassigned Medicare billing, Oklahoma enrollment
- 23 clinicians in this Medicare group
Jenks, OK 74037
- Reassigned Medicare billing, Oklahoma enrollment
- 199 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 5
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.
St John Owasso
Acute Care Hospitals · Owasso, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 74146 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.
Reported Quality Measures
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Ashley Westerman's NPI number?
The NPI number for Ashley Westerman is 1003164716. It was assigned to this individual provider in the NPPES registry on August 28, 2012.
Where is Ashley Westerman located?
Ashley Westerman practices at 4800 S 109th East Ave, Tulsa, OK 74146. The listed phone number is (918) 392-1400.
What is Ashley Westerman's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Ashley Westerman enrolled in Medicare?
Yes. Ashley Westerman 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 Ashley Westerman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ashley Westerman reassigns Medicare benefits to 2 organizations: Sooner Anesthesia Services LLC (Tulsa, OK) and Integral Anesthesia, LLC (Jenks, OK). 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 Ashley Westerman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ashley Westerman accept?
Health plans from Blue Cross and Blue Shield of Oklahoma list Ashley Westerman 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 Ashley Westerman affiliated with any hospitals?
According to CMS data, Ashley Westerman is affiliated with St John Owasso.
When was this NPI record last updated?
The NPPES record for Ashley Westerman was last updated on October 12, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Mrs. Ashley Dinkel Westerman · NPI 1003164716
Nurse Anesthetist, Certified Registered physician in Tulsa, Oklahoma. Individual provider, active in the CMS NPPES registry since August 28, 2012.
## Identity
- **NPI:** 1003164716 (Entity type: Individual)
- **Enumerated:** August 28, 2012
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** R0102141 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 4800 S 109TH EAST AVE, Tulsa, OK 74146-5822
- **Phone:** (918) 392-1400
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Sooner Anesthesia Services LLC (NPI 1720080401, Tulsa, OK); Integral Anesthesia, LLC (NPI 1881041515, Jenks, OK) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** October 12, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1003164716) · Data from the CMS NPPES public registry.