Doctor profile · Federal record
Dr. Steven Johnson, M.D
Gastroenterology Physician (CMS: Gastroenterology) · Salinas, CA
- NPI 1265439038
- Accepts Medicare
- MIPS 9.2 / 100 · 2023
- 54 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1083 Los Palos Dr
Salinas, CA 939013916
(831) 424-8888
fax (831) 424-8889 - Additional location
-
240 Westgate Dr
Watsonville, CA 950762461
(831) 722-8807
fax (831) 722-8809
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- October 2, 2025
- Year of graduation
- 1972 — 54 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #G33624
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1265439038. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,886
Distinct HCPCS
10
Medicare allowed
$379,639
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 1,546 | 725 | $39 | |
G0500 |
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 monito | 650 | 611 | $5 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 344 | 344 | $111 | |
88312 |
Special stained specimen slides to identify organisms including interpretation and report | 337 | 254 | $98 | |
87077 |
Bacterial culture for aerobic isolates | 314 | 249 | $8 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 306 | 292 | $121 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 270 | 267 | $258 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 169 | 136 | $135 | |
91200 |
Measurement of liver stiffness | 147 | 115 | $34 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 120 | 106 | $96 |
In context: peer comparison
Among 2 peers in Salinas Gastroenterology Physician, average services per provider: 177. This provider delivers 28× the peer median.Open Payments
Industry payments received
All-time total
$2,364
Transactions
95
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 29 | $649.66 | |
| Janssen Biotech, INC. | 16 | $449.09 | |
| Intercept Pharmaceuticals, INC. | 10 | $312.31 | |
| Vivus LLC | 1 | $182.08 | |
| Pfizer INC. | 10 | $172.11 | |
| Celltrion USA INC. | 7 | $147.57 | |
| Lilly USA, LLC | 4 | $104.81 | |
| Takeda Pharmaceuticals U.S.A., INC. | 4 | $72.18 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 3 | $51.92 | |
| Gilead Sciences, INC. | 2 | $46.92 | |
| Ironwood Pharmaceuticals, INC | 3 | $44.97 | |
| Aimmune Therapeutics, INC. | 2 | $43.46 | |
| Celgene Corporation | 2 | $36.34 | |
| Madrigal Pharmaceuticals | 1 | $25.85 | |
| Phathom Pharmaceuticals, INC. | 1 | $25.03 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
429
Patients
87
Total drug cost
$345,359
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 149 | 62 | $2,726 |
| Pantoprazole Sodium | Generic | 67 | 25 | $1,543 |
| Vemlidy (Tenofovir Alafenamide) | Brand | 26 | 0 | $37,246 |
| Entyvio (Vedolizumab) | Brand | 24 | 0 | $198,464 |
| Linzess (Linaclotide) | Brand | 21 | 0 | $13,912 |
| Metronidazole | Generic | 20 | 0 | $341 |
| Famotidine | Generic | 19 | 0 | $251 |
| Ciprofloxacin Hcl | Generic | 18 | 0 | $497 |
| Creon (Lipase/Protease/Amylase) | Brand | 18 | 0 | $9,021 |
| Balsalazide Disodium | Generic | 17 | 0 | $1,988 |
Frequently asked questions
What is Dr. Steven Johnson's medical specialty?
Dr. Steven Johnson practices Gastroenterology Physician in Salinas, CA.
Where does Dr. Steven Johnson practice?
Dr. Steven Johnson practices at 1083 Los Palos Dr, Salinas, CA 939013916. Office phone: 8314248888.
What is Dr. Steven Johnson's NPI?
Dr. Steven Johnson's National Provider Identifier (NPI) is 1265439038, issued by NPPES.
Does Dr. Steven Johnson accept Medicare assignment?
Yes. Dr. Steven Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Steven Johnson commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); 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 monito (HCPCS G0500); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.