Steven Merlin Johnson, MD
Anesthesiology Physician · San Jose, CA
Steven Merlin Johnson, MD is an anesthesiology physician with a practice address in San Jose, California, and NPI 1679525323, issued on May 17, 2006. Check the license (California A50511, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Steven Merlin Johnson
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- A50511 CA
Self-reported in NPPES; status is on the state search - Practice location
- 225 N Jackson Ave, San Jose, CA 95116
- Phone
- (408) 259-5000
- Enumerated
- May 17, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (408) 928-7041
- Medicaid ID
- 00A505110 CA
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 225 N Jackson Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Steven Merlin Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A50511Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $237.95
11 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Steven Merlin Johnson among 7,571 anesthesiology physician records in California
Steven Merlin Johnson, MD is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 53% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in California
There are 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in San Jose → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Paz Bilkey, MDSan Jose, CA 951161891746780
- Chia-Bing Chang, M.DSan Jose, CA 951161558569624
- Sung Chi, MDSan Jose, CA 951161992031504
- Richard Chiang, MDSan Jose, CA 951161265895536
- Gerard Hoatam, MDSan Jose, CA 951161407210008
- James Howell, MDSan Jose, CA 951161538112891
- Vu Huynh, MDSan Jose, CA 951161891748158
- Richard Katz, MDSan Jose, CA 951161295787943
Common questions
What is Steven Merlin Johnson, MD's NPI number?
Steven Merlin Johnson, MD's National Provider Identifier (NPI) is 1679525323, issued on May 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven Merlin Johnson, MD located?
The NPPES record lists a practice address at 225 N Jackson Ave, San Jose, CA, 95116. Phone: (408) 259-5000. Providers update this record themselves, so call before visiting.
How can I verify Steven Merlin Johnson, MD's license?
NPPES lists California license number A50511, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.