William Perez Guillama, PharmD
Pharmacist in Bayamon, PR. Individual provider (NPI-1).
NPI number1104793447
StatusActive
Last updated in NPPESOct 5, 2026
Details
- NPI
- 1104793447
- Entity type
- Individual (NPI-1)
- Name
- William Perez Guillama
- Credential
- PharmD
- Sex
- Male
- Sole proprietor
- Yes
- Enumeration date
- Oct 21, 2025
- Certification date
- Oct 5, 2026
- Last updated
- Oct 5, 2026
Medicare and OIG
- Medicare enrolled (PECOS)
- Not in the Medicare enrollment file
- Can order and refer
- Not on the CMS order and referring list
- OIG exclusion list
- This NPI is not listed
CMS and OIG files of November 2026. PECOS lookup · OIG exclusion check
Taxonomy and licenses
| Taxonomy code | Description | License | State | Primary |
|---|---|---|---|---|
| 183500000X | Pharmacist | 8457 | PR | Yes |
Practice location
Carr 167 Calle Marginal Oeste Plaza TropicalBarrio Cerro Gordo
Bayamon, PR 00956
Phone 787-395-7480
Mailing address
Po Box 781Camuy, PR 00627-0781
Phone 787-395-7480
Is something wrong?
This page shows exactly what the provider filed with NPPES. Only the provider (or their surrogate) can change it, by signing in to NPPES. Our page updates within a day of their change. See how to update NPI information.
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