Doctor profile · Federal record

Dr. Kenneth Johnson, MD

Emergency Medicine Physician · Riverside, CA

  • NPI 1033640933
  • 9 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4445 Magnolia Ave
Riverside, CA 925014135
(951) 788-3537
fax (951) 788-3173
Mailing address
9155 Santa Barbara Dr
Riverside, CA 925086496

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
December 19, 2019
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A159476

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033640933. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
344
Distinct HCPCS
4
Medicare allowed
$48,181
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 137 136 $180
99284 Emergency department visit with moderate level of medical decision making 124 122 $124
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 48 45 $8
99291 Critical care, first 30-74 minutes 35 35 $220

In context: peer comparison

Among 33 peers in this city , average services per provider: 83. This provider delivers 4.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
262
Patients
260
Total drug cost
$1,272
Drug Type Claims Patients Total cost
Cephalexin Generic 54 54 $341
Naproxen Generic 41 41 $135
Ibuprofen Generic 38 37 $146
Ondansetron Odt (Ondansetron) Brand 25 25 $147
Azithromycin Generic 24 24 $173
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 19 19 $103
Prednisone Generic 19 19 $50
Tramadol Hcl Generic 17 17 $53
Ciprofloxacin Hcl Generic 14 13 $67
Potassium Chloride Generic 11 11 $56

Frequently asked questions

Auto-generated from federal data
What is Dr. Kenneth Johnson's medical specialty?
Dr. Kenneth Johnson practices Emergency Medicine Physician in Riverside, CA.
Where does Dr. Kenneth Johnson practice?
Dr. Kenneth Johnson practices at 4445 Magnolia Ave, Riverside, CA 925014135. Office phone: 9517883537.
What is Dr. Kenneth Johnson's NPI?
Dr. Kenneth Johnson's National Provider Identifier (NPI) is 1033640933, issued by NPPES.
What procedures does Dr. Kenneth Johnson commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.