Ronald Ray Sarmiento Guzman, MD
NPI 1205061595ActiveIndividual· Hospitalist· Roseville, CA
Hospitalist (MD) with Sutter Valley Medical Foundation, practicing in Roseville, California. In 2024 Medicare paid $86,113 for 336 patients, and Part D covered 390 of their prescriptions, 89% of them generic. Zoll Services LLC (A/K/A Zoll Lifecor Corp) was the largest of 2 companies reporting payments in 2025, $393.09 in all, mostly food and beverage. Lists Sutter Roseville Medical Center as a hospital affiliation.
Overview
| NPI | 1205061595 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 15, 2009 |
| Last updated in NPPES | Sep 7, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | C153148 | CA |
| Internal Medicine | 207R00000X | 4301093716 | MI |
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 - Hospitalist (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 336 |
|---|---|
| Services billed | 905 across 11 procedure codes |
| Paid by Medicare | $86,113 |
Part D prescriptions in 2024
| Prescriptions (claims) | 390 · 432 30-day fills |
|---|---|
| Patients | 164 |
| Total drug cost | $23,691 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical group
- Sutter Valley Medical FoundationModesto, CA · 2,500 clinicians
Hospital affiliation
- Sutter Roseville Medical CenterRoseville, CA
Other facilities
- Sutter Care at HomeHospice · Roseville, CA
Industry payments (Open Payments)
- 2025$393.09 · 4 payments from 2 companies
- 2024$119.61 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $230.68 | 2 |
| Inspire Medical Systems, Inc. | $162.41 | 2 |
What the 2025 payments were for
- Food and Beverage$393.09 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 56 hospitalists in Roseville · All hospitalists in California