DR. ROBERT HAROLD CORTNER JR. D.O.
NPI 1659714772
Family Medicine in Guymon, OK
About Dr. Robert Harold Cortner Jr. D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBERT HAROLD CORTNER JR. D.O. (NPI 1659714772) is an individual family medicine provider in Guymon, Oklahoma, licensed in Oklahoma (5470) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS, is affiliated with Seiling Municipal Hospital, and is a graduate of University Of North Texas Hsc, College Of Osteopathic Med (2010).
NPPES Registry Identity
Specialties & Licenses 2
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
Dr. Robert Harold Cortner Jr. 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 Reassignments
8Medicare enrollment records show Robert Cortner reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Guymon, OK 73942
- Reassigned Medicare billing, Oklahoma enrollment
- 10 clinicians in this Medicare group
Guymon, OK 73942
- Reassigned Medicare billing, Oklahoma enrollment
- 11 clinicians in this Medicare group
Lubbock, TX 79401
- Reassigned Medicare billing, Oklahoma enrollment
- 33 clinicians in this Medicare group
Lubbock, TX 79401
- Reassigned Medicare billing, Oklahoma enrollment
- 30 clinicians in this Medicare group
Ponca City, OK 74601
- Reassigned Medicare billing, Oklahoma enrollment
- 130 clinicians in this Medicare group
Ardmore, OK 73401
- Reassigned Medicare billing, Oklahoma enrollment
- 46 clinicians in this Medicare group
Stilwell, OK 74960
- Reassigned Medicare billing, Oklahoma enrollment
- 49 clinicians in this Medicare group
West Memphis, AR 72301
- Reassigned Medicare billing, Oklahoma enrollment
- 79 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 3
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Seiling Municipal Hospital
Critical Access Hospitals · Seiling, OKMemorial Hospital Of Texas County Authority
Critical Access Hospitals · Guymon, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 73942 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GUYMON, OK 73942
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 Robert Cortner's NPI number?
The NPI number for Robert Cortner is 1659714772. It was assigned to this individual provider in the NPPES registry on April 8, 2013.
Where is Robert Cortner located?
Robert Cortner practices at 501 NE 15th St, Guymon, OK 73942. The listed phone number is (580) 338-4638.
What is Robert Cortner's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Robert Cortner enrolled in Medicare?
Yes. Robert Cortner 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 Robert Cortner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Cortner reassigns Medicare benefits to 8 organizations: Panhandle Counseling & Health Center, Inc. (Guymon, OK), Memorial Hospital Of Texas County Authority (Guymon, OK), Concord Medical Group PLLC (Lubbock, TX), Concord Medical Group Of Texas PLLC (Lubbock, TX), Nes Oklahoma, Inc. (Ponca City, OK) and 3 more organizations, listed in the Medicare section above. 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 Robert Cortner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Robert Cortner accept?
Health plans from Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list Robert Cortner 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 Robert Cortner affiliated with any hospitals?
According to CMS data, Robert Cortner is affiliated with Seiling Municipal Hospital and Memorial Hospital Of Texas County Authority.
When was this NPI record last updated?
The NPPES record for Robert Cortner was last updated on September 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 44 days 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.