John Robert Evans, MD
Gastroenterology Physician · San Bernardino, CA
John Robert Evans, MD is a gastroenterology physician with a practice address in San Bernardino, California, and NPI 1245253582, issued on Jul 26, 2006. Check the license (California G50624, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Robert Evans
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- G50624 CA
Self-reported in NPPES; status is on the state search - Practice location
- 355 E 21St Street Suite, San Bernardino, CA 92404
- Phone
- (909) 886-2609
- Enumerated
- Jul 26, 2006
- Record last updated
- Apr 11, 2022
- Fax
- (909) 886-0328
- Medicaid ID
- 00G506240 CA
- Medicare enrollment
- Enrolled (PECOS I20050201001020); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 1983
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Verify John Robert Evans in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G50624Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average gastroenterology physician in 2024
423 Medicare Part D claims for 179 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
- Gavilyte-G66 claims
- Famotidine54 claims
- Pantoprazole Sodium44 claims
- Peg-3350 And Electrolytes40 claims
- Omeprazole34 claims
- Linzess17 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $356.25
15 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. 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.
John Robert Evans among 2,140 gastroenterology physician records in California
John Robert Evans, MD 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 48% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1983 · median 2002 among the 1,538 with a school on file
- Record last updated2022 · 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 San Bernardino → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Gabriella Aitcheson, MDSan Bernardino, CA 924081295230415
- Won-Seok Jo, M.D.San Bernardino, CA 924081245215144
- Arnab Biswas, D.O.Victorville, CA 923951134216930
- Nikhil Gupta, M.D.Victorville, CA 923951982058152
- Richard Huang, MDVictorville, CA 923951124247861
- Henry Lin, M.D.Victorville, CA 923951649483033
- Thomas Thong Nguyen, M.D.,Victorville, CA 923951215126800
- Kumaravelu Balasubramaniam, MDRialto, CA 923771134184708
Common questions
What is John Robert Evans, MD's NPI number?
John Robert Evans, MD's National Provider Identifier (NPI) is 1245253582, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Robert Evans, MD located?
The NPPES record lists a practice address at 355 E 21St Street Suite, San Bernardino, CA, 92404. Phone: (909) 886-2609. Providers update this record themselves, so call before visiting.
How can I verify John Robert Evans, MD's license?
NPPES lists California license number G50624, 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 John Robert Evans, MD prescribe under Medicare Part D?
In 2024, John Robert Evans, MD had 423 Medicare Part D claims for 179 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is John Robert Evans, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.