WARREN CLINICS INC
NPI 1649204074
Clinic/Center - Medical Specialty in Mcalester, OK
About Warren Clinics Inc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WARREN CLINICS INC (NPI 1649204074) is a healthcare organization registered as a medical specialty in Mcalester, Oklahoma and active in the NPI registry since July 2006. The organization lists Debbie Nelson, Business Operations Manager, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Warren Clinics Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
1,142Medicare enrollment records show 1,142 clinicians reassign Medicare billing to Warren Clinics Inc, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 17 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 57
Nearest to this location (20)
See all 1,142Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Warren Clinics Inc's NPI number?
The NPI number for Warren Clinics Inc is 1649204074. It was assigned to this organization in the NPPES registry on July 10, 2006.
Where is Warren Clinics Inc located?
Warren Clinics Inc is located at 1401 E Van Buren Ave, Mcalester, OK 74501. The listed phone number is (918) 426-0240.
What is Warren Clinics Inc's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Medical Specialty, with taxonomy code 261QM2500X.
Is Warren Clinics Inc enrolled in Medicare?
Yes. Warren Clinics Inc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Warren Clinics Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 1,142 clinicians in 57 Medicare specialties reassign their Medicare billing to Warren Clinics Inc. 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 (244), Hospitalist (162) and Family Practice (119). Of these, 1 practice at this address and 17 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Warren Clinics Inc accept?
Health plans from Blue Cross and Blue Shield of Oklahoma list Warren Clinics Inc 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 Warren Clinics Inc was last updated on April 20, 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.
# Warren Clinics Inc · NPI 1649204074
Medical Specialty organization in Mcalester, Oklahoma. Organization record, active in the CMS NPPES registry since July 10, 2006.
## Identity
- **NPI:** 1649204074 (Entity type: Organization)
- **Enumerated:** July 10, 2006
- **Primary specialty:** Clinic/Center - Medical Specialty · taxonomy 261QM2500X
- **Organization subpart:** No
- **Authorized official:** Debbie Nelson, BUSINESS OPERATIONS MANAGER
## Practice location
- **Address:** 1401 E VAN BUREN AVE, Mcalester, OK 74501-4245
- **Phone:** (918) 426-0240 · **Fax:** (918) 423-4051
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1,142 clinicians in 57 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (244), Hospitalist (162), Family Practice (119); 1 practice at this address and 17 within 10 miles; [full list](https://npiprofile.com/npi/1649204074/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 20, 2008
- **Other identifiers:** Medicare PIN =========M (OK)
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Source: [NPI Profile](https://npiprofile.com/npi/1649204074) · Data from the CMS NPPES public registry.