STILLWATER MEDICAL CENTER AUTHORITY
NPI 1164494027
General Acute Care Hospital in Stillwater, OK
About Stillwater Medical Center Authority NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STILLWATER MEDICAL CENTER AUTHORITY (NPI 1164494027), doing business as Stillwater Medical Center, is a healthcare organization registered as a general acute care hospital in Stillwater, Oklahoma and active in the NPI registry since February 2006. The organization holds a CLIA Waiver certificate valid through November 18, 2026 and lists Denise Adrienne Webber, Ceo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Stillwater Medical Center Authority is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by January 31, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
147Medicare enrollment records show 147 clinicians reassign Medicare billing to Stillwater Medical Center Authority, which bills Medicare for the services they deliver. Of these, 22 practice at this address and 69 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 33
Nearest to this location (20)
See all 147Stillwater, OK 74074
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 37D0877406
Stillwater Medical Center Nursing Services · Stillwater, OKFrequently 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 Stillwater Medical Center Authority's NPI number?
The NPI number for Stillwater Medical Center Authority is 1164494027. It was assigned to this organization in the NPPES registry on February 6, 2006. The provider is doing business as Stillwater Medical Center.
Where is Stillwater Medical Center Authority located?
Stillwater Medical Center Authority is located at 1323 W 6th Ave, Stillwater, OK 74074. The listed phone number is (405) 372-1480.
What is Stillwater Medical Center Authority's specialty?
The primary specialty registered for this NPI is General Acute Care Hospital with taxonomy code 282N00000X.
Is Stillwater Medical Center Authority enrolled in Medicare?
Yes. Stillwater Medical Center Authority is registered in the Medicare PECOS enrollment system.
When is Stillwater Medical Center Authority's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Part A enrollment for this organization (Oklahoma, Hospital) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Stillwater Medical Center Authority?
According to the CMS Revalidation Reassignment List (October 2026 release), 147 clinicians in 33 Medicare specialties reassign their Medicare billing to Stillwater Medical Center Authority. A 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 the clinician's services. The largest specialties are Nurse Practitioner (25), Internal Medicine (19) and Certified Registered Nurse Anesthetist (CRNA) (15). Of these, 22 practice at this address and 69 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Stillwater Medical Center Authority hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 37D0877406) is associated with this NPI, valid through November 18, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Stillwater Medical Center Authority accept?
Health plans from CommunityCare and Mending Health list Stillwater Medical Center Authority 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.
When was this NPI record last updated?
The NPPES record for Stillwater Medical Center Authority was last updated on April 22, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months 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.
# Stillwater Medical Center Authority · NPI 1164494027
General Acute Care Hospital organization in Stillwater, Oklahoma. Organization record, active in the CMS NPPES registry since February 6, 2006.
## Identity
- **NPI:** 1164494027 (Entity type: Organization)
- **Enumerated:** February 6, 2006
- **Primary specialty:** General Acute Care Hospital · taxonomy 282N00000X
- **Also known as:** Stillwater Medical Center (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Denise Webber, CEO
## Practice location
- **Address:** 1323 W 6TH AVE, Stillwater, OK 74074-4306
- **Phone:** (405) 372-1480
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** January 31, 2027 (Part A, Oklahoma, Hospital) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 147 clinicians in 33 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (25), Internal Medicine (19), Certified Registered Nurse Anesthetist (CRNA) (15); 22 practice at this address and 69 within 10 miles; [full list](https://npiprofile.com/npi/1164494027/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 22, 2025
- **Other identifiers:** Medicaid 100699950A (OK); Medicaid 100699950C (OK)
- **CLIA laboratory certificates:** 1 on file
---
Source: [NPI Profile](https://npiprofile.com/npi/1164494027) · Data from the CMS NPPES public registry.