Dr. Steven Euston Johnson, DO
- Medicare services, 2024
- 114
- Medicare patients, 2024
- 90
- Part D claims, 2024
- 45
- Hospital affiliations
- 2
- Industry payments
- $400
- Practice address
- 400 North Pepper Avenue, Colton, CA 92324
- Practice phone
- Call (909) 580-1000
- 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
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Dr. Steven Euston Johnson is an emergency medicine physician in Colton, California
Dr. Johnson practices at Arrowhead Regional Medical Center in Colton, California, part of San Bernardino County.
Dr. Johnson's NPI, 1659803328, was assigned on March 31, 2017. Dr. Johnson graduated from WesternU College of Osteopathic Medicine of the Pacific in 2017. Dr. Johnson's California license number on file is 19348.
- NPI
- 1659803328NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355762311
- NPI enumeration date
- March 31, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 580-1000
- 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; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Steven Euston Johnson practices at Arrowhead Regional Medical Center in Colton, California
Dr. Johnson's primary practice is Arrowhead Regional Medical Center, at 400 North Pepper Avenue, Colton, CA 92324 in San Bernardino County. The practice phone is (909) 580-1000.
- Arrowhead Regional Medical Center400 North Pepper Avenue, Colton, CA 92324 · San Bernardino CountyPhone(909) 580-1000
Source: Dmand AI Affiliation Data
Dr. Steven Euston Johnson is affiliated with 2 sites of care and 3 medical groups
Dr. Johnson's primary practice is Arrowhead Regional Medical Center in Colton, California, part of San Bernardino County. Dr. Johnson is also affiliated with Keck Hospital of USC. The medical group on file is Vituity. Dmand AI also links Dr. Johnson to 2 more medical groups, 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. Steven Euston Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Arrowhead Regional Medical Center | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Steven Euston 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 anesthesiology critical care medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Johnson's licenses on file in 2 states: California and Michigan.
Specialties and state licenses
- Emergency medicine, CaliforniaPrimary
- Michigan license
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. Steven Euston Johnson billed Medicare for 114 services in 2024
CMS data shows 114 Medicare services from Dr. Johnson across 3 procedure codes in 2024, for 90 Medicare patients. Medicare paid $16,755 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Johnson's Medicare services by type, 2022 to 2024
- 2022
- 2024
- Office and hospital visits
- 2022: 292024: 114293%
Dr. Johnson compared with the California median for emergency medicine physicians, 2024
- Dr. Johnson
- California median
- Medicare services
- 114vs 26557% below
- Medicare patients
- 90vs 24363% below
- Part D claims
- 12vs 6281% below
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. Steven Euston Johnson treated 90 Medicare patients in 2024, average age 67
CMS counts 90 Medicare patients who saw Dr. Johnson in 2024. The largest group is 65 to 74, with 33 patients. 75% of them have high blood pressure, and 66% have high cholesterol. 78% are also on Medicaid. Their average risk score is 2.43, 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 42, with 51% women.
Dr. Johnson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Johnson's Medicare patients by sex, 2024
- Women4651%
- Men4449%
Chronic conditions among Dr. Johnson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol66%
- Diabetes53%
- Chronic kidney disease46%
- Arthritis44%
- Heart failure44%
- Ischemic heart disease33%
- Mood disorders33%
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 42
Patient panel by sex, all payers
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Steven Euston Johnson wrote 45 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 45 Medicare Part D claims for 33 patients. 91% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $82 in total drug cost.
Dr. Johnson's Part D claims by kind of drug, 2024
- Generic41 claims91%
- Brand-name and other4 claims9%
Dr. Johnson's most prescribed drugs by claims, 2019
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
- Antibiotics40%18 of 45 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
How Dr. Steven Euston Johnson takes part in Medicare
Dr. Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Steven Euston Johnson received $400 in industry payments from 2020 to 2025
CMS Open Payments shows 7 general payments to Dr. Johnson from 3 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Bard Access Systems, Inc. paid the most, $309.
General payments to Dr. Johnson by program year, 2020 to 2025
Companies that paid Dr. Johnson the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Steven Euston Johnson graduated from WesternU College of Osteopathic Medicine of the Pacific
Dr. Johnson graduated from WesternU College of Osteopathic Medicine of the Pacific in 2017.
- Medical school
- Board certified in anesthesiology critical care medicine
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Steven Euston Johnson accepts plans from 7 insurance carriers
Dr. Johnson is in network with 7 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- United Healthcare
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
Plan types Dr. Johnson accepts, by number of carriers
- Medicare6
- PPO5
- POS2
- EPO1
- HMO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Steven Euston 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 | Doctors and Clinicians National Downloadable File (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. Steven Euston 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. Steven Euston Johnson's NPI number?
Dr. Steven Euston Johnson's NPI number is 1659803328. It was assigned on March 31, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Steven Euston Johnson?
Dr. Steven Euston Johnson is an emergency medicine physician in Colton, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Steven Euston Johnson practice?
Dr. Johnson practices at 400 North Pepper Avenue, Colton, CA 92324. Dr. Johnson's primary practice is Arrowhead Regional Medical Center in Colton, California, part of San Bernardino County. Dmand AI also links Dr. Johnson to 2 medical groups.
What is Dr. Steven Euston Johnson's office phone number?
The practice phone on file for Dr. Johnson is (909) 580-1000.
What is Dr. Steven Euston Johnson's medical license number?
Dr. Johnson's California license number on file is 19348, one of the licenses on file in 2 states.
Which states has Dr. Steven Euston Johnson been licensed in?
Dmand AI has state licenses on file for Dr. Johnson in California (2022 to 2025) and Michigan (2020 to 2026).
Which hospitals is Dr. Steven Euston Johnson affiliated with?
Dr. Johnson practices at Arrowhead Regional Medical Center in Colton, California. Dr. Johnson is also affiliated with Keck Hospital of USC.
What medical group is Dr. Steven Euston Johnson part of?
Dr. Johnson is linked to Vituity. Dmand AI links Dr. Johnson to 2 more medical groups.
Does Dr. Steven Euston Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 114 services in 2024, and Dr. Johnson accepts Medicare assignment.
How many Medicare patients does Dr. Steven Euston Johnson see?
CMS counts 90 Medicare patients who saw Dr. Johnson in 2024, with an average age of 67.
Show 7 more questionsShow fewer questions
Is Dr. Steven Euston Johnson board certified?
Yes. Dr. Johnson is board certified in anesthesiology critical care medicine by the American Board of Emergency Medicine.
What services does Dr. Steven Euston Johnson bill to Medicare?
In 2024, Dr. Johnson's most billed Medicare services were critical care (99291), emergency department visit (99285) and emergency department visit (99284).
Where did Dr. Steven Euston Johnson go to medical school?
Dr. Johnson graduated from WesternU College of Osteopathic Medicine of the Pacific in 2017.
What drugs does Dr. Steven Euston Johnson prescribe most?
In 2019 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Cephalexin.
Has Dr. Steven Euston Johnson received payments from drug or device companies?
CMS Open Payments shows $400 in general payments to Dr. Johnson from 3 companies from 2020 to 2025. The largest total came from Bard Access Systems, Inc.
How long has Dr. Steven Euston Johnson been practicing?
Dr. Johnson graduated from medical school in 2017, 9 years ago.
What insurance does Dr. Steven Euston Johnson accept?
Dr. Johnson is in network with 7 carriers, including United Healthcare, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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