IndividualActive
William Perez Guillama, PHARMD
NPI 1104793447 · Community/Retail Pharmacy · Bayamon, PR
Provider details
- NPI number
- 1104793447
- Entity type
- Individual
- Primary specialty
- Community/Retail PharmacySuppliers
- Credential
- PHARMD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 8457 (PR)
Specialties & taxonomies
Suppliers
Profile Score
Established profile(54/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Carr 167 Calle Marginal Oeste Plaza Tropical
Barrio Cerro Gordo
Bayamon, PR 00956
Phone: (787) 395-7480
Street-level locationGet directions
Mailing address
Po Box 781
Camuy, PR 00627-0781
Registry dates
- Enumerated
- 2025-10-21
- Last updated
- 2025-10-24
- Certified
- 2025-10-02
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.