Elsa R. Martinez Serrano
Pharmacist · Hatillo, PR
Elsa R. Martinez Serrano is a pharmacist with a practice address in Hatillo, Puerto Rico, and NPI 1952444945, issued on Feb 15, 2007. Check the license (Puerto Rico 4248, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Elsa R. Martinez Serrano
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 4248 PR
Self-reported in NPPES; status is on the state search - Practice location
- Carr. # 2 KM. 85.5, Hatillo, PR 00659
- Phone
- (787) 262-4901
- Enumerated
- Feb 15, 2007
- Record last updated
- Jul 1, 2025
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 3,180 in Puerto Rico → Look up another NPI →
Verify Elsa R. Martinez Serrano 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 4248Check 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, 100% of the cost of the top drugs
44 Medicare Part D claims for 32 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% 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.
- Shingrix32 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.
Elsa R. Martinez Serrano among 3,180 pharmacist records in Puerto Rico
Elsa R. Martinez Serrano 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 2007, is newer than 9% of them.
- NPI issued2007 · 9% of these records are older, 67% newer
- In a Medicare fileYes · 19% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2025 · 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).
39 pharmacist records list a practice address in Hatillo
They are 39 of the 350 NPPES records with a practice address in Hatillo, and 3,180 pharmacist records in Puerto Rico.
All 3,180 in Puerto Rico → Every provider in Hatillo → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Lourdes Colon, PHARMACISTHatillo, PR 006591407933617
- Maria Colon, LCDAHatillo, PR 006591720113681
- Luis Cruz, RPH.Hatillo, PR 006591336204254
- Blanca Delgado, RPHHatillo, PR 006591932263837
- Yalitza Delgado, RPHHatillo, PR 006591538373220
- Marisol FernandezHatillo, PR 006591174639850
- Daniel Mahiques, RPH.Hatillo, PR 006591326173899
- Carmelo Nistal, PHARMACISTHatillo, PR 006591497883797
Common questions
What is Elsa R. Martinez Serrano's NPI number?
Elsa R. Martinez Serrano's National Provider Identifier (NPI) is 1952444945, issued on Feb 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Elsa R. Martinez Serrano located?
The NPPES record lists a practice address at Carr. # 2 KM. 85.5, Hatillo, PR, 00659. Phone: (787) 262-4901. Providers update this record themselves, so call before visiting.
How can I verify Elsa R. Martinez Serrano's license?
NPPES lists Puerto Rico license number 4248, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Elsa R. Martinez Serrano prescribe under Medicare Part D?
In 2024, Elsa R. Martinez Serrano had 44 Medicare Part D claims for 32 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.