Steven Johnson, M.D
NPI 1265439038 · Gastroenterology Physician · Salinas, CA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Johnson, M.D is a Gastroenterology Physician provider in Salinas, CA (NPI 1265439038).
Provider details
- NPI number
- 1265439038
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- G33624 (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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
7,241 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 2,820 | $38 |
| Moderate Sedation Services Provided By the Same Physician Or Other Qualified Health Care Professional Performing a Gastrointestinal Endoscopic Service That Sedation Supports, Requiring the Presence of an Independent Trained Observer to Assist in the MonitoG0500 | 815 | $5 |
| Special Stained Specimen Slides to Identify Organisms Including Interpretation and Report88312 | 748 | $92 |
| Bacterial Culture for Aerobic Isolates87077 | 586 | $8 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 434 | $105 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoclopramide Hcl | 165 | 153 |
| Omeprazole | 108 | 50 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 106 | 104 |
| Pantoprazole Sodium | 49 | 21 |
| Metronidazole | 33 | 23 |
| Linaclotidebrand: Linzess | 30 | — |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 27 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,364 across 95 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
Additional practice locations (1)
- 240 Westgate DrWatsonville, CA 95076-2461Phone: (831) 722-8807Fax: (831) 722-8809
Registry dates
- Enumerated
- 2005-07-07
- Last updated
- 2025-10-02
- Certified
- 2025-10-02
Frequently asked questions
- What is Steven Johnson's NPI number?
- Steven Johnson's National Provider Identifier (NPI) is 1265439038, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Johnson's specialty?
- Steven Johnson is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Johnson located?
- Steven Johnson's practice location on file with NPPES is 1083 Los Palos Dr, Salinas, CA 93901-3916.
- What is Steven Johnson's phone number?
- The practice phone number listed in the NPPES registry for Steven Johnson is (831) 424-8888.
- Does Steven Johnson accept Medicare?
- Steven Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Johnson's NPI active?
- Yes — Steven Johnson's NPI (1265439038) is active in the NPPES registry as of the last update on 2025-10-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.