Doctor profile · Federal record

Dr. Bevan Graybill, PH.D.

Clinical Psychologist · Muskogee, OK

  • NPI 1164433157
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
333 S 38Th St, Suite K
Muskogee, OK 744014937
(918) 683-8827
fax (918) 686-0902

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
103TC0700X — NUCC code
State license (1)
Oklahoma #353

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164433157. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
135
Distinct HCPCS
1
Medicare allowed
$18,999
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 135 16 $141

In context: peer comparison

Among 1 peers in Muskogee Clinical Psychologist, average services per provider: 135. This provider delivers 1.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Bevan Graybill's medical specialty?
Dr. Bevan Graybill practices Clinical Psychologist in Muskogee, OK.
Where does Dr. Bevan Graybill practice?
Dr. Bevan Graybill practices at 333 S 38Th St, Muskogee, OK 744014937. Office phone: 9186838827.
What is Dr. Bevan Graybill's NPI?
Dr. Bevan Graybill's National Provider Identifier (NPI) is 1164433157, issued by NPPES.
What procedures does Dr. Bevan Graybill commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.