Salvador Gallardo Guevara, M.D.
NPI 1336427939ActiveIndividual· Surgery· Walnut Creek, CA
Surgery (M.D.) with John Muir Physician Network, practicing in Walnut Creek, California. 169 Medicare patients in 2024, $76,385 paid; nearly all of their 217 Part D prescriptions were generic (95%). Intuitive Surgical, Inc. was the largest of 4 companies reporting payments in 2025, $28,888 in all, mostly education. Lists John Muir Medical Center - Concord Campus and 1 other hospital as hospital affiliations.
Overview
| NPI | 1336427939 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 30, 2011 |
| Last updated in NPPES | Jan 18, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 059593 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Colorectal Surgery (Proctology) (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 169 |
|---|---|
| Services billed | 558 across 69 procedure codes |
| Paid by Medicare | $76,385 |
Part D prescriptions in 2024
| Prescriptions (claims) | 217 · 267 30-day fills |
|---|---|
| Patients | 58 |
| Total drug cost | $9,667 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Colorectal Surgery (Proctology) |
| Secondary specialties | Surgical Oncology |
| Telehealth | Offers telehealth |
Medical group
- John Muir Physician NetworkPleasant Hill, CA · 494 clinicians
Hospital affiliations
- John Muir Medical Center - Concord CampusConcord, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
Other facilities
- John Muir Home Health ServicesHome health agency · Concord, CA
Industry payments (Open Payments)
- 2025$28,888 · 26 payments from 4 companies
- 2024$25,194 · 29 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $28,800 | 22 |
| Astrazeneca Pharmaceuticals LP | $37.80 | 2 |
| Takeda Pharmaceuticals U.S.A., Inc. | $28.68 | 1 |
| Edwards Lifesciences Corporation | $21.20 | 1 |
What the 2025 payments were for
- Education$22,000 · 7 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$4,500 · 2 payments
- Food and Beverage$1,806 · 13 payments
- Travel and Lodging$582.16 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 46 general surgeons in Walnut Creek · All general surgeons in California