Dr. Steven A. Johnson, MD
- Part D claims, 2024
- 61
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 901 Nevin Ave, Richmond, CA 94801
- Practice phone
- Call (510) 307-1555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Richmond Medical Center
Richmond, California
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. Steven A. Johnson is an internist in Richmond, California
Dr. Johnson practices at Richmond Medical Center in Richmond, California.
Dr. Johnson's NPI, 1861571531, was assigned on November 3, 2006. Dr. Johnson graduated from University of California, Irvine, California College of Medicine in 2000. Dr. Johnson holds California license A79443.
- NPI
- 1861571531NPI Registry (opens in a new tab)
- NPI enumeration date
- November 3, 2006
- NPI status
- Active
- Practice phone
- (510) 307-1555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Steven A. Johnson practices at Richmond Medical Center in Richmond, California
Dr. Johnson's primary practice is Richmond Medical Center, at 901 Nevin Ave, Richmond, CA 94801 in Contra Costa County. The practice phone is (510) 307-1555.
- Richmond Medical Center901 Nevin Ave, Richmond, CA 94801 · Contra Costa CountyPhone(510) 307-1555
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Steven A. Johnson is affiliated with 2 sites of care and 1 medical group
Dr. Johnson's primary practice is Richmond Medical Center in Richmond, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Johnson to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Steven A. Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Richmond Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Steven A. Johnson is one of 16,751 internists in California
Internal medicine is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Johnson is board certified in certified wound specialist by the American Board of Wound Management. Dr. Johnson is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Johnson
Counts of internists 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 A. Johnson's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 61, with 53% women.
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 61
Patient panel by sex, all payers
- Women53%
- Men48%
Source: Dmand AI Patient Panel Data
Dr. Steven A. Johnson wrote 61 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 61 Medicare Part D claims for 49 patients. 74% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $663 in total drug cost. In 2023, CMS named 18 claims across 1 drug.
Dr. Johnson's Part D claims by kind of drug, 2024
- Generic45 claims74%
- Brand-name16 claims26%
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
- Antibiotics21%13 of 61 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: 182024: 1328%
Drugs named by CMS: 1 in 2024, 1 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
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Dr. Steven A. Johnson graduated from University of California, Irvine, California College of Medicine
Dr. Johnson graduated from University of California, Irvine, California College of Medicine in 2000.
- Medical school
- Board certified in certified wound specialist
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Dr. Steven A. 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 A. 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 A. Johnson's NPI number?
Dr. Steven A. Johnson's NPI number is 1861571531. It was assigned on November 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Steven A. Johnson?
Dr. Steven A. Johnson is an internist in Richmond, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Steven A. Johnson practice?
Dr. Johnson practices at 901 Nevin Ave, Richmond, CA 94801. Dr. Johnson's primary practice is Richmond Medical Center in Richmond, California. Dmand AI also links Dr. Johnson to 1 group practice or clinic.
What is Dr. Steven A. Johnson's office phone number?
The practice phone on file for Dr. Johnson is (510) 307-1555.
What is Dr. Steven A. Johnson's medical license number?
Dr. Johnson holds California license A79443.
What medical group is Dr. Steven A. Johnson part of?
Dr. Johnson is linked to The Permanente Medical Group, Inc.
Is Dr. Steven A. Johnson board certified?
Yes. Dr. Johnson is board certified in certified wound specialist by the American Board of Wound Management.
Where did Dr. Steven A. Johnson go to medical school?
Dr. Johnson graduated from University of California, Irvine, California College of Medicine in 2000.
What drugs does Dr. Steven A. Johnson prescribe most?
In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Adacel Tdap.
How long has Dr. Steven A. Johnson been practicing?
Dr. Johnson graduated from medical school in 2000, 26 years ago.
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