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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

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: August 16, 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.

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
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
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

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.

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.

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 28 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.