Steven G. Johnson, M.D
Gastroenterology Physician · Salinas, CA
Steven G. Johnson, M.D is a gastroenterology physician with a practice address in Salinas, California, and NPI 1265439038, issued on Jul 7, 2005. Check the license (California G33624, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Steven G. Johnson
- Credential
- M.D
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- G33624 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1083 Los Palos Dr, Salinas, CA 93901
- Phone
- (831) 424-8888
- Enumerated
- Jul 7, 2005
- Record last updated
- Oct 2, 2025
- Fax
- (831) 424-8889
- Medicare enrollment
- Enrolled (PECOS I20080625000189); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 1972
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 1083 Los Palos Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lori Boyd-GibbsGerontology Nurse Practitioner1770333049
- John Carlson, M.DGastroenterology Physician1164429965
- Vikram Patel, MDGastroenterology Physician1073908885
- Simran SidhuGastroenterology Physician1821445040
Verify Steven G. Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G33624Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% more Medicare Part D claims than the average gastroenterology physician in 2024
857 Medicare Part D claims for 305 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Metoclopramide Hcl165 claims
- Omeprazole108 claims
- Gavilyte-G106 claims
- Pantoprazole Sodium49 claims
- Metronidazole33 claims
- Linzess30 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 9.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,364.30
95 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Bills Medicare through 2 group practices
- Los Palos Gastroenterology Specialists IncSalinas, CA
- Los Palos Pathology Lab And Ancillary Services IncSalinas, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven G. Johnson among 2,140 gastroenterology physician records in California
Steven G. Johnson, M.D is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1972 · median 2002 among the 1,538 with a school on file
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Salinas → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- John Carlson, M.DSalinas, CA 939011164429965
- Rita Lee, MDSalinas, CA 939011487722583
- Vikram Patel, MDSalinas, CA 939011073908885
- Simran SidhuSalinas, CA 939011821445040
- Mumtaz Tabbaa, M.D.Salinas, CA 939061306879036
- Daniel Luba, M.D.Gonzales, CA 939261790786002
- Lloyd Garren, M.D.Monterey, CA 939401841200565
- Mary Garren, M.D.Monterey, CA 939401801806567
Common questions
What is Steven G. Johnson, M.D's NPI number?
Steven G. Johnson, M.D's National Provider Identifier (NPI) is 1265439038, issued on Jul 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Steven G. Johnson, M.D located?
The NPPES record lists a practice address at 1083 Los Palos Dr, Salinas, CA, 93901. Phone: (831) 424-8888. Providers update this record themselves, so call before visiting.
How can I verify Steven G. Johnson, M.D's license?
NPPES lists California license number G33624, 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.
How much does Steven G. Johnson, M.D prescribe under Medicare Part D?
In 2024, Steven G. Johnson, M.D had 857 Medicare Part D claims for 305 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Steven G. Johnson, M.D's MIPS final score?
The 2023 MIPS final score is 9.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.