Lenibet Miriam Montemayor, M.D.
NPI 1639168263ActiveIndividual· Internal Medicine· San Antonio, TX
Internal Medicine (M.D.) with Physician Primecare, Inc, practicing in San Antonio, Texas. Their prescriptions cost Medicare Part D more than their services did: $1,940,515 for 16,124 claims, against $31,466 paid for services in 2024. Lists Baptist Medical Center as a hospital affiliation.
Overview
| NPI | 1639168263 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 17, 2005 |
| Last updated in NPPES | Feb 15, 2021 |
| Certified by provider | Feb 15, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | M2146 | TX |
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 (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 92 |
|---|---|
| Services billed | 1,043 across 53 procedure codes |
| Paid by Medicare | $31,466 |
Part D prescriptions in 2024
| Prescriptions (claims) | 16,124 · 37,193 30-day fills |
|---|---|
| Patients | 906 |
| Total drug cost | $1,940,515 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 1997 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Physician Primecare, IncSan Antonio, TX · 64 clinicians
Hospital affiliation
- Baptist Medical CenterSan Antonio, TX
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 824 internal medicine physicians in San Antonio · All internal medicine physicians in Texas