Marc Lorenz Tagorda Montecillo, M.D.
NPI 1326305962ActiveIndividual· Internal Medicine· Lancaster, CA
Internal Medicine (M.D.) in Lancaster, California, trained at University of California, Geffen School of Medicine (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $338,394 for 7,243 claims, against $1,940 paid for services in 2024.
Overview
| NPI | 1326305962 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Apr 20, 2012 |
| Last updated in NPPES | Oct 26, 2021 |
| Certified by provider | Oct 26, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A132024 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 20 |
|---|---|
| Services billed | 36 across 13 procedure codes |
| Paid by Medicare | $1,940 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,243 · 18,900 30-day fills |
|---|---|
| Patients | 1,114 |
| Total drug cost | $338,394 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Lancaster
- 1144493131
- 1164713244
- 1255466835
- 1265590525
- 1346745262
- 1588655450
- 1639276140
- 1639277130
- 1669519765
- 1720199763
- 1760007116
- 1851401988
All 79 internal medicine physicians in Lancaster · All internal medicine physicians in California