John Evans, MD
NPI 1245253582 · Gastroenterology Physician · San Bernardino, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Evans, MD is a Gastroenterology Physician provider in San Bernardino, CA (NPI 1245253582).
Provider details
- NPI number
- 1245253582
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G50624 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,974 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Application of Chemical to Stop Tissue Regrowth in Wound17250 | 1,075 | $39 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 994 | $109 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 225 | $75 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 130 | $130 |
| Replacement of Stomach Stoma Tube43762 | 124 | $23 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 66 | 61 |
| Famotidine | 54 | 14 |
| Pantoprazole Sodium | 44 | — |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 40 | 39 |
| Omeprazole | 34 | 11 |
| Linaclotidebrand: Linzess | 17 | — |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$356 across 15 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-26
- Last updated
- 2022-04-11
- Certified
- 2022-04-11
Frequently asked questions
- What is John Evans's NPI number?
- John Evans's National Provider Identifier (NPI) is 1245253582, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Evans's specialty?
- John Evans is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is John Evans located?
- John Evans's practice location on file with NPPES is 355 E 21st Street Suite, San Bernardino, CA 92404.
- What is John Evans's phone number?
- The practice phone number listed in the NPPES registry for John Evans is (909) 886-2609.
- Does John Evans accept Medicare?
- John Evans is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Evans's NPI active?
- Yes — John Evans's NPI (1245253582) is active in the NPPES registry as of the last update on 2022-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.