Alfonso Serrano, MD
Obstetrics & Gynecology Physician · San Lorenzo, PR
Alfonso Serrano, MD is an obstetrics & gynecology physician with a practice address in San Lorenzo, Puerto Rico, and NPI 1285630350, issued on Jun 23, 2005. Check the license (Puerto Rico 9334, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alfonso Serrano
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 9334 PR
Self-reported in NPPES; status is on the state search - Practice location
- Colon # 53, San Lorenzo, PR 00754
- Phone
- (787) 736-2224
- Enumerated
- Jun 23, 2005
- Record last updated
- Mar 19, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 360 in Puerto Rico → Look up another NPI →
Verify Alfonso 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 9334Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
38 Medicare Part D claims for 14 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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.
Alfonso Serrano among 360 obstetrics & gynecology physician records in Puerto Rico
Alfonso Serrano, MD is one of 360 obstetrics & gynecology physician records with a practice address in Puerto Rico. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 86% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileNo · 50% of these records are
- Record last updated2012 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Puerto Rico
There are 360 obstetrics & gynecology physician records in Puerto Rico.
All 360 in Puerto Rico → Every provider in San Lorenzo → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Francisco Del Olmo, M. D.Vieques, PR 007651386634970
- Koby Bonilla FernandezVillalba, PR 007661962965616
- Giselle Gonzalez MartinezCidra, PR 007391679900104
- Hector Marrero Luna, MDCoamo, PR 007691629046172
- Ramon Perez, MDCidra, PR 007391558309302
- Judibelle Rivera De Jesus, MDCoamo, PR 007691841386786
- Hector Rodriguez, MDCidra, PR 007391053414599
- Cristobal Jimenez-Gonzalez, MDFajardo, PR 007381730133349
Common questions
What is Alfonso Serrano, MD's NPI number?
Alfonso Serrano, MD's National Provider Identifier (NPI) is 1285630350, issued on Jun 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Alfonso Serrano, MD located?
The NPPES record lists a practice address at Colon # 53, San Lorenzo, PR, 00754. Phone: (787) 736-2224. Providers update this record themselves, so call before visiting.
How can I verify Alfonso Serrano, MD's license?
NPPES lists Puerto Rico license number 9334, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Alfonso Serrano, MD prescribe under Medicare Part D?
In 2024, Alfonso Serrano, MD had 38 Medicare Part D claims for 14 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.