Doctor profile · Federal record

Dr. Kathryn Johnson, DO

Emergency Medicine Physician (CMS: Emergency Medicine) · Oklahoma City, OK

  • NPI 1649735507
  • Accepts Medicare
  • 6 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4401 S Western Ave
Oklahoma City, OK 731093413
(405) 636-7000

Credentials & registration

NPPES · NUCC
NPI registered
February 2019 — 7 yrs on file
Profile last updated
May 24, 2022
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Oklahoma #7324

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649735507. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
14
Distinct HCPCS
1
Medicare allowed
$2,352
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 14 14 $168

In context: peer comparison

Among 64 peers in this city , average services per provider: 133. This provider delivers 0.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$372
Transactions
6
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 2 $139.35
ABBVIE INC. 1 $98.31
Janssen Pharmaceuticals, Inc 2 $72.56
BTG International, Inc. 1 $61.70

By nature of payment

Food and Beverage
$372

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
61
Patients
43
Total drug cost
$686
Drug Type Claims Patients Total cost
Cephalexin Generic 25 25 $262
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 18 0 $364
Prednisone Generic 18 18 $59

Frequently asked questions

Auto-generated from federal data
What is Dr. Kathryn Johnson's medical specialty?
Dr. Kathryn Johnson practices Emergency Medicine Physician in Oklahoma City, OK.
Where does Dr. Kathryn Johnson practice?
Dr. Kathryn Johnson practices at 4401 S Western Ave, Oklahoma City, OK 731093413. Office phone: 4056367000.
What is Dr. Kathryn Johnson's NPI?
Dr. Kathryn Johnson's National Provider Identifier (NPI) is 1649735507, issued by NPPES.
Does Dr. Kathryn Johnson accept Medicare assignment?
Yes. Dr. Kathryn Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathryn Johnson commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.