Doctor profile · Federal record

Dr. John Harrison, D.O.

Emergency Medicine Physician (CMS: Emergency Medicine) · Duncan, OK

  • NPI 1386630499
  • Accepts Medicare
  • MIPS 81.9 / 100 · 2023
  • 27 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1407 N Whisenant Dr
Duncan, OK 735331650
(580) 251-8458
Mailing address
Po Box 408
Lindsay, OK 730520408

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
January 16, 2024
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Oklahoma #3914

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386630499. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
694
Distinct HCPCS
10
Medicare allowed
$47,337
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 150 145 $117
J1100 Injection, dexamethasone sodium phosphate, 1 mg 122 17 $0
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 54 54 $16
99213 Established patient office or other outpatient visit, 20-29 minutes 50 50 $83
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 40 40 $34
99284 Emergency department visit with moderate level of medical decision making 40 40 $115
99285 Emergency department visit with high level of medical decision making 33 33 $168
87637 Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19), influenza virus types a and b, and respiratory syncytial virus 31 31 $140
96372 Injection of drug or substance under skin or into muscle 30 28 $12
81003 Automated urinalysis test 29 27 $2

In context: peer comparison

Among 2 peers in Duncan Emergency Medicine Physician, average services per provider: 83. This provider delivers 8.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$35
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Pfizer INC. 2 $34.96

By nature of payment

Food and Beverage
$35

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
190
Patients
161
Total drug cost
$1,734
Drug Type Claims Patients Total cost
Prednisone Generic 41 41 $59
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 29 18 $600
Azithromycin Generic 28 26 $143
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 27 27 $369
Cephalexin Generic 20 19 $166
Methylprednisolone Generic 16 16 $154
Fluticasone Propionate Generic 15 0 $144
Ondansetron Odt (Ondansetron) Brand 14 14 $98

Frequently asked questions

Auto-generated from federal data
What is Dr. John Harrison's medical specialty?
Dr. John Harrison practices Emergency Medicine Physician in Duncan, OK.
Where does Dr. John Harrison practice?
Dr. John Harrison practices at 1407 N Whisenant Dr, Duncan, OK 735331650. Office phone: 5802518458.
What is Dr. John Harrison's NPI?
Dr. John Harrison's National Provider Identifier (NPI) is 1386630499, issued by NPPES.
Does Dr. John Harrison accept Medicare assignment?
Yes. Dr. John Harrison accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Harrison commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) (HCPCS 87880). Source: CMS Medicare Physician & Other Practitioners file.