Guillermo Alberto Mantilla, M.D.
NPI 1326234816ActiveIndividual· Hospitalist· Carmichael, CA
Hospitalist (M.D.) with Dignity Health Medical Foundation, practicing in Carmichael, California. Medicare paid $52,148 for services to 345 patients in 2024. Lists Mercy General Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1326234816 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Sep 19, 2007 |
| Last updated in NPPES | Feb 26, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | C159709 | CA |
| Hospitalist | 208M00000X | 42647 | TN |
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); Practitioner - Hospitalist (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 345 |
|---|---|
| Services billed | 361 across 3 procedure codes |
| Paid by Medicare | $52,148 |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Hospitalist |
Medical group
- Dignity Health Medical FoundationFolsom, CA · 1,184 clinicians
Hospital affiliations
- Mercy General HospitalSacramento, CA
- Mercy San Juan Medical CenterCarmichael, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 30 hospitalists in Carmichael · All hospitalists in California