ELIZABETH BIERNAT MD
NPI 1386614501
Anesthesiology in Stillwater, OK
About Elizabeth Biernat Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELIZABETH BIERNAT MD (NPI 1386614501) is an individual anesthesiology provider in Stillwater, Oklahoma, licensed in Oklahoma (19712) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS, is affiliated with Stillwater Medical Center, and is a graduate of Other (1980).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Elizabeth Biernat 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 Reassignment
Medicare enrollment records show Elizabeth Biernat reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stillwater, OK 74074
- Reassigned Medicare billing, Oklahoma enrollment
- 147 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 4
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.
Stillwater Medical Center
Acute Care Hospitals · Stillwater, OKMedicare 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.
STILLWATER, OK 74074
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 Elizabeth Biernat's NPI number?
The NPI number for Elizabeth Biernat is 1386614501. It was assigned to this individual provider in the NPPES registry on January 23, 2006.
Where is Elizabeth Biernat located?
Elizabeth Biernat practices at 1323 W 6th Ave, Stillwater, OK 74074. The listed phone number is (405) 372-1480.
What is Elizabeth Biernat's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Elizabeth Biernat enrolled in Medicare?
Yes. Elizabeth Biernat 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 Elizabeth Biernat's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Biernat reassigns Medicare benefits to Stillwater Medical Center Authority (Stillwater, 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 Elizabeth Biernat's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Elizabeth Biernat accept?
Health plans from Mending Health list Elizabeth Biernat 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 Elizabeth Biernat affiliated with any hospitals?
According to CMS data, Elizabeth Biernat is affiliated with Stillwater Medical Center.
When was this NPI record last updated?
The NPPES record for Elizabeth Biernat was last updated on February 21, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Elizabeth Biernat, MD · NPI 1386614501
Anesthesiology physician in Stillwater, Oklahoma. Individual provider, active in the CMS NPPES registry since January 23, 2006.
## Identity
- **NPI:** 1386614501 (Entity type: Individual)
- **Enumerated:** January 23, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 19712 (Oklahoma)
- **Sole proprietor:** No
## Practice location
- **Address:** 1323 W 6TH AVE, Stillwater, OK 74074-4306
- **Phone:** (405) 372-1480
## 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:** Stillwater Medical Center Authority (NPI 1164494027, Stillwater, OK), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1980
## Record status
- **NPPES last updated:** February 21, 2008
- **Other identifiers:** Other 50054420; Medicare UPIN G30050; Medicare PIN 24M802309
---
Source: [NPI Profile](https://npiprofile.com/npi/1386614501) · Data from the CMS NPPES public registry.