Glendell Santiago De Guzman, M.D.
NPI 1174819064ActiveIndividual· Obstetrics & Gynecology· Las Vegas, NV
Obstetrics & Gynecology (M.D.) in Las Vegas, Nevada, trained at Pennsylvania State University College of Medicine (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $3,422 for 17 claims, against $2,018 paid for services in 2024. Biogen, Inc. was the largest of 5 companies reporting payments in 2025, $393.27 in all, mostly food and beverage.
Overview
| NPI | 1174819064 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 20, 2011 |
| Last updated in NPPES | Nov 2, 2022 |
| Certified by provider | Nov 2, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 18236 | NV |
| Obstetrics & Gynecology | 207V00000X | 263048 | MA |
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 - Obstetrics/Gynecology (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 13 |
|---|---|
| Services billed | 16 across 11 procedure codes |
| Paid by Medicare | $2,018 |
Part D prescriptions in 2024
| Prescriptions (claims) | 17 · 18 30-day fills |
|---|---|
| Total drug cost | $3,422 |
Education and affiliations
| Medical school | Pennsylvania State University College of Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Unlv MedicineLas Vegas, NV · 177 clinicians
Industry payments (Open Payments)
- 2025$393.27 · 6 payments from 5 companies
- 2024$264.57 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biogen, Inc. | $125.00 | 1 |
| Pacira Pharmaceuticals Incorporated | $120.06 | 1 |
| Coloplast Corp | $84.10 | 1 |
| Organon LLC | $45.05 | 2 |
| Supernus Pharmaceuticals, Inc. | $19.06 | 1 |
What the 2025 payments were for
- Food and Beverage$393.27 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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