Dr. Kenneth Johnson, MD
- Medicare services, 2024
- 364
- Medicare patients, 2024
- 323
- Part D claims, 2024
- 448
- MIPS score, 2024
- 94
- Hospital affiliations
- 2
- Practice address
- 800 South Main Street, Corona, CA 92882
- Practice phone
- Call (951) 736-6240
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Johnson's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Kenneth Johnson is an emergency medicine physician in Corona, California
Dr. Johnson practices at Corona Regional Medical Center in Corona, California, part of Universal Health Services.
Dr. Johnson's NPI, 1033640933, was assigned on March 22, 2017. Dr. Johnson graduated from The University of Arizona College of Medicine, Phoenix in 2017. Dr. Johnson holds California license A159476.
- NPI
- 1033640933NPI Registry (opens in a new tab)
- NPI enumeration date
- March 22, 2017
- NPI status
- Active
- Practice phone
- (951) 736-6240
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Kenneth Johnson practices at Corona Regional Medical Center in Corona, California
Dr. Johnson's primary practice is Corona Regional Medical Center, at 800 South Main Street, Corona, CA 92882 in Riverside County. The practice phone is (951) 736-6240.
- Corona Regional Medical Center800 South Main Street, Corona, CA 92882 · Riverside CountyPhone(951) 736-6240
Source: Dmand AI Affiliation Data
Dr. Kenneth Johnson is affiliated with 3 sites of care and 3 medical groups
Dr. Johnson's primary practice is Corona Regional Medical Center in Corona, California, part of Universal Health Services. Dr. Johnson is also affiliated with Riverside Community Hospital. The medical group on file is Corona Regional Medical Center. Dmand AI also links Dr. Johnson to 2 more medical groups and 1 breast imaging center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Kenneth Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corona Regional Medical Center | Available with a free account |
| +2 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kenneth Johnson is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Johnson is board certified in emergency medicine by the American Board of Emergency Medicine. Dr. Johnson is licensed in California.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
Emergency medicine physicians near Dr. Johnson
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Kenneth Johnson billed Medicare for 364 services in 2024
CMS data shows 364 Medicare services from Dr. Johnson across 5 procedure codes in 2024, for 323 Medicare patients. Medicare paid $37,627 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Johnson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2962024: 33112%
- Tests and treatments
- 2023: 482024: 3331%
Dr. Johnson compared with the California median for emergency medicine physicians, 2024
- Dr. Johnson
- California median
- Medicare services
- 364vs 26537% above
- Medicare patients
- 323vs 24333% above
- Part D claims
- 294vs 624.7 times
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Johnson's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnson and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Kenneth Johnson treated 323 Medicare patients in 2024, average age 73
CMS counts 323 Medicare patients who saw Dr. Johnson in 2024. The largest group is 65 to 74, with 128 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 66% are also on Medicaid. Their average risk score is 2.29, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 57, with 59% women.
Dr. Johnson's Medicare patients by age, 2024
Dr. Johnson's Medicare patients by sex, 2024
- Women19059%
- Men13341%
Chronic conditions among Dr. Johnson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Diabetes51%
- Mood disorders43%
- Chronic kidney disease39%
- Depression38%
- Anxiety37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Kenneth Johnson wrote 448 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 448 Medicare Part D claims for 288 patients. 96% of them were for generic drugs. CMS names the drug for 294 of them, across 9 drugs with 11 or more claims each, at $1,013 in total drug cost. In 2023, CMS named 262 claims across 10 drugs.
Dr. Johnson's Part D claims by kind of drug, 2024
- Generic429 claims96%
- Brand-name19 claims4%
Dr. Johnson's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Johnson's Part D claims, 2024
- Opioids10%43 of 448 claims
- Antibiotics26%118 of 448 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2622024: 29412%
Drugs named by CMS: 9 in 2024, 10 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Kenneth Johnson scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Johnson for performance year 2024, reported as part of a group.
Dr. Johnson's MIPS scores, performance year 2024
- 94of 100Final score
- 81.6of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Kenneth Johnson received $14 in industry payments in 2020
CMS Open Payments shows 1 general payment to Dr. Johnson from 1 drug or device company in 2020. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $14.
Companies that paid Dr. Johnson the most, 2020 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kenneth Johnson graduated from The University of Arizona College of Medicine, Phoenix
Dr. Johnson graduated from The University of Arizona College of Medicine, Phoenix in 2017.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Kenneth Johnson accepts plans from 2 insurance carriers
Dr. Johnson is in network with 2 carriers, including CMS Medicare and Molina. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- CMS Medicare
- Molina
Source: Dmand AI Insurance Network Data
Sources for Dr. Kenneth Johnson's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Kenneth Johnson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Kenneth Johnson's NPI number?
Dr. Kenneth Johnson's NPI number is 1033640933. It was assigned on March 22, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Kenneth Johnson?
Dr. Kenneth Johnson is an emergency medicine physician in Corona, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Kenneth Johnson practice?
Dr. Johnson practices at 800 South Main Street, Corona, CA 92882. Dr. Johnson's primary practice is Corona Regional Medical Center in Corona, California, part of Universal Health Services. Dmand AI also links Dr. Johnson to 2 medical groups and 1 breast imaging center.
What is Dr. Kenneth Johnson's office phone number?
The practice phone on file for Dr. Johnson is (951) 736-6240.
What is Dr. Kenneth Johnson's medical license number?
Dr. Johnson holds California license A159476.
Which hospitals is Dr. Kenneth Johnson affiliated with?
Dr. Johnson practices at Corona Regional Medical Center in Corona, California. Dr. Johnson is also affiliated with Riverside Community Hospital.
What medical group is Dr. Kenneth Johnson part of?
Dr. Johnson is linked to Corona Regional Medical Center. Dmand AI links Dr. Johnson to 2 more medical groups.
Does Dr. Kenneth Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 364 services in 2024.
What is Dr. Kenneth Johnson's MIPS score?
Dr. Johnson's MIPS final score for performance year 2024 is 94 out of 100, reported as part of a group.
How many Medicare patients does Dr. Kenneth Johnson see?
CMS counts 323 Medicare patients who saw Dr. Johnson in 2024, with an average age of 73.
Show 7 more questionsShow fewer questions
Is Dr. Kenneth Johnson board certified?
Yes. Dr. Johnson is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Kenneth Johnson bill to Medicare?
In 2024, Dr. Johnson's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and heart test or procedure (93010).
Where did Dr. Kenneth Johnson go to medical school?
Dr. Johnson graduated from The University of Arizona College of Medicine, Phoenix in 2017.
What drugs does Dr. Kenneth Johnson prescribe most?
In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Naproxen, Cephalexin and Ondansetron ODT.
Has Dr. Kenneth Johnson received payments from drug or device companies?
CMS Open Payments shows $14 in general payments to Dr. Johnson from 1 company from 2020 to 2020. The largest total came from Pfizer Inc.
How long has Dr. Kenneth Johnson been practicing?
Dr. Johnson graduated from medical school in 2017, 9 years ago.
What insurance does Dr. Kenneth Johnson accept?
Dr. Johnson is in network with 2 carriers, including CMS Medicare and Molina. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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