Maria Del C. Guisao, PHARMACIST
Pharmacist · Las Piedras, PR
Maria Del C. Guisao, PHARMACIST is a pharmacist with a practice address in Las Piedras, Puerto Rico, and NPI 1043504558, issued on Jun 1, 2011. Check the license (Puerto Rico 3969, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maria Del C. Guisao
- Credential
- PHARMACIST
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 3969 PR
Self-reported in NPPES; status is on the state search - Practice location
- 198 Calle Tebas, Las Piedras, PR 00771
- Phone
- (787) 285-0810
- Enumerated
- Jun 1, 2011
- Record last updated
- Jun 1, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (787) 285-0810
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 3,180 in Puerto Rico → Look up another NPI →
Verify Maria Del C. Guisao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
Search for license 3969Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 95% of the cost of the top drugs
163 Medicare Part D claims for 145 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were over 99% of claims.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Abrysvo65 claims
- Shingrix62 claims
- Boostrix Tdap25 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Maria Del C. Guisao among 3,180 pharmacist records in Puerto Rico
Maria Del C. Guisao, PHARMACIST is one of 3,180 pharmacist records with a practice address in Puerto Rico. 19% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 37% of them.
- NPI issued2011 · 37% of these records are older, 52% newer
- In a Medicare fileYes · 19% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2011 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 pharmacist records list a practice address in Las Piedras
They are 20 of the 208 NPPES records with a practice address in Las Piedras, and 3,180 pharmacist records in Puerto Rico.
All 3,180 in Puerto Rico → Every provider in Las Piedras → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Marilyn Arzuaga-ReyesLas Piedras, PR 007711831483742
- Maritza Del MoralLas Piedras, PR 007711043341381
- Fermin Garcia Plaza, RPHLas Piedras, PR 007711356636021
- Amarilis Laboy, PHARM DHumacao, PR 007711578788972
- Evelyn Lopez-Morales, PHARMACISTLas Piedras, PR 007711316088362
- Raquel Lozada, PHARMACISTLas Piedras, PR 007711710005848
- Sandra MartinezLas Piedras, PR 007711265652507
- Iris Morant, RPHLas Piedras, PR 007711447622501
Common questions
What is Maria Del C. Guisao, PHARMACIST's NPI number?
Maria Del C. Guisao, PHARMACIST's National Provider Identifier (NPI) is 1043504558, issued on Jun 1, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Maria Del C. Guisao, PHARMACIST located?
The NPPES record lists a practice address at 198 Calle Tebas, Las Piedras, PR, 00771. Phone: (787) 285-0810. Providers update this record themselves, so call before visiting.
How can I verify Maria Del C. Guisao, PHARMACIST's license?
NPPES lists Puerto Rico license number 3969, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Maria Del C. Guisao, PHARMACIST prescribe under Medicare Part D?
In 2024, Maria Del C. Guisao, PHARMACIST had 163 Medicare Part D claims for 145 beneficiaries; the average among pharmacist prescribers was 119. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.