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Dr. Steven Merlin Johnson, MD
NPI1679525323
- Medicare services, 2022
- 16
- Publications
- 9
- Hospital affiliations
- 1
- Industry payments
- $313
- Medical groups
- 2
- Practice address
- 225 N Jackson Avenue, San Jose, CA 95116
- Practice phone
- Call (408) 259-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Steven Merlin Johnson is an anesthesiologist in San Jose, California
Dr. Johnson practices at Regional Medical Center in San Jose, California, part of County of Santa Clara, CA.
Dr. Johnson's NPI, 1679525323, was assigned on May 17, 2006. Dr. Johnson graduated from Univ Siena- Fac Med in 1986. Dr. Johnson's California license number on file is A50511.
NPI and contact details
- NPI
- 1679525323NPI Registry (opens in a new tab)
- NPI enumeration date
- May 17, 2006
- NPI status
- Active
- Practice phone
- (408) 259-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 66
- Medical school graduation
- 1986
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Steven Merlin Johnson practices at Regional Medical Center in San Jose, California
Dr. Johnson's primary practice is Regional Medical Center, at 225 N Jackson Avenue, San Jose, CA 95116 in Santa Clara County. The practice phone is (408) 259-5000.
- Regional Medical Center225 N Jackson Avenue, San Jose, CA 95116 · Santa Clara CountyPhone(408) 259-5000
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Steven Merlin Johnson is affiliated with 1 site of care and 2 medical groups
Dr. Johnson's primary practice is Regional Medical Center in San Jose, California, part of County of Santa Clara, CA. Dmand AI also links Dr. Johnson to 2 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Steven Merlin 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 |
|---|---|
| Regional Medical Center | Available with a free account |
| +2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Steven Merlin Johnson is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Johnson has a license on file in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Dr. Johnson
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
6,593anesthesiologists in California137anesthesiologists in San Jose8anesthesiologists at Regional Medical Center
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Steven Merlin Johnson billed Medicare for 16 services in 2022
CMS data shows 16 Medicare services from Dr. Johnson across 1 procedure code in 2022. Medicare paid $1,723 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202216
Paid by Medicare$1,723
Procedure codes1
Dr. Johnson's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Anesthesia
- 2021: 602022: 1673%
Dr. Johnson compared with the California median for anesthesiologists, 2022
- Dr. Johnson
- California median
- Medicare services
- 16vs 7278% below
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. Johnson's most billed Medicare procedure codes, 2022
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Johnson?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Johnson and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Steven Merlin Johnson's patients have a median age of 79
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 79, with 0% 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 79
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
For MedTech and pharma teams
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Dr. Steven Merlin Johnson has 9 publications on record
Dmand AI links 9 papers to Dr. Johnson, published from 2010 to 2024. 2024 was the busiest year, with 3. Dr. Johnson's most frequent co-authors are Amit Bahl, MD, MPH, Nicholas John Mielke, MD and Judith Ann Aberg, MD.
Papers9
Years published2010 to 2024
Dr. Johnson's papers by year, 2010 to 2024
Dr. Johnson's most frequent co-authors
- Amit Bahl, MD, MPH3 shared papers
- Nicholas John Mielke, MD2 shared papers
- Judith Ann Aberg, MD1 shared paper
Recent publications by Dr. Johnson
Catheterization, PeripheralCatheters, IndwellingEmergency Service, Hospital
See who Dr. Johnson researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Johnson works with, so you can find a warm path to the right anesthesiologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Steven Merlin Johnson received $313 in industry payments from 2019 to 2025
CMS Open Payments shows 14 general payments to Dr. Johnson from 3 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $264.
General payments to Dr. Johnson by program year, 2019 to 2025
Companies that paid Dr. Johnson the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Steven Merlin Johnson graduated from Univ Siena- Fac Med
Dr. Johnson graduated from Univ Siena- Fac Med in 1986.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Steven Merlin 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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand 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 Data |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (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 Merlin 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 Merlin Johnson's NPI number?
Dr. Steven Merlin Johnson's NPI number is 1679525323. It was assigned on May 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Steven Merlin Johnson?
Dr. Steven Merlin Johnson is an anesthesiologist in San Jose, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Steven Merlin Johnson practice?
Dr. Johnson practices at 225 N Jackson Avenue, San Jose, CA 95116. Dr. Johnson's primary practice is Regional Medical Center in San Jose, California, part of County of Santa Clara, CA. Dmand AI also links Dr. Johnson to 2 medical groups.
What is Dr. Steven Merlin Johnson's office phone number?
The practice phone on file for Dr. Johnson is (408) 259-5000.
What is Dr. Steven Merlin Johnson's medical license number?
Dr. Johnson's California license number on file is A50511.
Which hospitals is Dr. Steven Merlin Johnson affiliated with?
Dr. Johnson practices at Regional Medical Center in San Jose, California.
Does Dr. Steven Merlin Johnson accept Medicare?
Yes. CMS data shows Dr. Johnson billed Medicare for 16 services in 2022.
What services does Dr. Steven Merlin Johnson bill to Medicare?
In 2022, Dr. Johnson's most billed Medicare services were anesthesia (00142).
Where did Dr. Steven Merlin Johnson go to medical school?
Dr. Johnson graduated from Univ Siena- Fac Med in 1986.
Has Dr. Steven Merlin Johnson received payments from drug or device companies?
CMS Open Payments shows $313 in general payments to Dr. Johnson from 3 companies from 2019 to 2025. The largest total came from Abbott Laboratories.
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How long has Dr. Steven Merlin Johnson been practicing?
Dr. Johnson graduated from medical school in 1986, 40 years ago.
Does Dr. Steven Merlin Johnson do research?
Dmand AI links 9 publications to Dr. Johnson, published from 2010 to 2024.
Who does Dr. Steven Merlin Johnson publish with?
Dr. Johnson's most frequent co-authors are Amit Bahl, MD, MPH (3 shared papers), Nicholas John Mielke, MD (2 shared papers) and Judith Ann Aberg, MD (1 shared paper).
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