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GREGORY KEYTON BLAYLOCK
NPI 1982274684
Family Medicine in Muskogee, OK

Active since June 25, 2021PECOS Enrolled
350 S 40TH ST, MUSKOGEE, OK 74401(918) 684-2663(918) 681-6804 Get Directions Write a Review

NPPES record last updated: July 21, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 21, 2026, Jun 25, 2021 (2 updates tracked since 2021).

About Gregory Keyton Blaylock NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GREGORY KEYTON BLAYLOCK (NPI 1982274684) is an individual family medicine provider in Muskogee, Oklahoma, licensed in Oklahoma (8603) and active in the NPI registry since June 2021. He is enrolled in Medicare PECOS, is affiliated with Cherokee Nation W W Hastings Indian Hospital, and is a graduate of Oklahoma State University College Of Osteopathic Medicine (2022).

NPPES Registry Identity

NPI1982274684
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameGREGORY KEYTON BLAYLOCK
Location Address350 S 40TH STMuskogee, OK 74401-4915
Mailing Address6600 S Yale Ave Ste 1200Tulsa, OK 74136-3333
Phone(918) 684-2663
Fax(918) 681-6804
Sole ProprietorYes
Medical School CMSOklahoma State University College Of Osteopathic MedicineGraduated 2022
Enumeration DateJune 25, 2021
Last NPPES UpdateJuly 21, 20262 updates tracked since enumeration
NPPES CertifiedJuly 21, 2026
✔ NPI 1982274684 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in OK · 8603
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
350 S 40TH ST, Muskogee, OK 74401
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Oklahoma, CommunityCare, Mending Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gregory Keyton Blaylock is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1759847320
PECOS Enrollment IDI20260804000110
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Gregory Blaylock reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Warren Clinic Inc
35 mi
General Practice
6600 S YALE AVE, SUITE 1400
Tulsa, OK 74136
  • Reassigned Medicare billing, Oklahoma enrollment
  • 1,144 clinicians in this Medicare group
NPI 1174582282 (918) 488-6001

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Cherokee Nation W W Hastings Indian Hospital

Acute Care Hospitals · Tahlequah, OK
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number370171
Location100 S Bliss AvenueTahlequah, OK 74464 · Cherokee County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 74401 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.46 typical visit price
range $53.00 – $162.61
Typical copayment $20.61 (range $13.25 – $40.65)
Most-billed visit code 99203
Established Patient
$94.27 typical visit price
range $16.68 – $132.40
Typical copayment $23.56 (range $4.17 – $33.10)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

IFEOMA NNEKA MOZIE AGACNP
Nurse Practitioner (Acute Care)
350 S 40TH ST
MUSKOGEE, OK 74401
Muskogee County (918) 683-0753
CARDIOLOGY CLINIC OF MUSKOGEE, INC.
Internal Medicine
350 S 40TH ST, CCOM MEDICAL GROUP
MUSKOGEE, OK 74401
Muskogee County (918) 683-0753
DR. HENRY G CO M.D.
Internal Medicine
350 S 40TH ST
MUSKOGEE, OK 74401
Muskogee County (918) 683-0753
ROBERT LEE JONES JR. APRN-CNP
Nurse Practitioner (Family)
350 S 40TH ST
MUSKOGEE, OK 74401
Muskogee County (918) 683-0753
DR. MAXIMO LEBUMFACIL FERNAN JR. MD
Internal Medicine (Pulmonary Disease)
350 S 40TH ST
MUSKOGEE, OK 74401
Muskogee County (918) 683-0753
DR. WENDELL N WILLIAMS MD
Internal Medicine (Cardiovascular Disease)
350 S 40TH ST
MUSKOGEE, OK 74401
Muskogee County (918) 683-0753
JACK W. CASAS M.D.
Internal Medicine (Interventional Cardiology)
350 S 40TH ST
MUSKOGEE, OK 74401
Muskogee County (918) 683-0753
AUGUSTINA AGADAGBA CNP
Nurse Practitioner (Family)
350 S 40TH ST
MUSKOGEE, OK 74401
Muskogee County (918) 683-0753

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 Gregory Blaylock's NPI number?

The NPI number for Gregory Blaylock is 1982274684. It was assigned to this individual provider in the NPPES registry on June 25, 2021.

Where is Gregory Blaylock located?

Gregory Blaylock practices at 350 S 40th St, Muskogee, OK 74401. The listed phone number is (918) 684-2663.

What is Gregory Blaylock's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Gregory Blaylock enrolled in Medicare?

Yes. Gregory Blaylock is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gregory Blaylock's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Blaylock reassigns Medicare benefits to Warren Clinic Inc (Tulsa, 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 Gregory Blaylock's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gregory Blaylock accept?

Health plans from Blue Cross and Blue Shield of Oklahoma, CommunityCare and Mending Health list Gregory Blaylock 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 Gregory Blaylock affiliated with any hospitals?

According to CMS data, Gregory Blaylock is affiliated with Cherokee Nation W W Hastings Indian Hospital.

When was this NPI record last updated?

The NPPES record for Gregory Blaylock was last updated on July 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.