NPPES file of Aug 9, 2026

Nitza Mercedes Serrano Medina, MD

Obstetrics & Gynecology Physician · San Juan, PR

Nitza Mercedes Serrano Medina, MD is an obstetrics & gynecology physician with a practice address in San Juan, Puerto Rico, and NPI 1124223250, issued on Jun 19, 2007. Check the license (Puerto Rico 17323, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1124223250
Name
Nitza Mercedes Serrano Medina
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
17323 PR
Self-reported in NPPES; status is on the state search
Practice location
1507 Ave Ponce DE Leon Apt 205, San Juan, PR 00909
Phone
(787) 201-6246
Enumerated
Jun 19, 2007
Record last updated
Jan 8, 2024
Medicare enrollment
Enrolled (PECOS I20100814000235); accepts Medicare assignment
Medical or professional school
University Central Del Caribe Escuela De Medicina, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1507 Ave Ponce DE Leon Apt 205

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Patricia Mulero Soto, MDSurgery Physician1831676956
  2. Sheila Perez Colon, MDPediatric Endocrinology Physician1588851539

Verify Nitza Mercedes Serrano Medina in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
    Search for license 17323
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Puerto Rico license search

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13% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

144 Medicare Part D claims for 66 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Nitza Serrano Medina144
  2. Specialty average165

Most prescribed

  1. Fluconazole26 claims
  2. Metronidazole22 claims
  3. Sprintec14 claims
  4. Clotrimazole-Betamethasone12 claims
  5. Estradiol11 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.

Industry payments in 2024: $56.78

2 payments; by number, the most common kind was food and beverage; the largest payer was Hologic Sales and Service, LLC. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nitza Serrano Medina$56.78
  2. Specialty average$1,030.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Nitza Mercedes Serrano Medina among 360 obstetrics & gynecology physician records in Puerto Rico

Nitza Mercedes Serrano Medina, 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 2007, is newer than 54% of them.

  • NPI issued2007 · 54% of these records are older, 30% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2005 · median 1994 among the 181 with a school on file
  • Record last updated2024 · 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).

101 obstetrics & gynecology physician records list a practice address in San Juan

They are 101 of the 8,960 NPPES records with a practice address in San Juan, and 360 obstetrics & gynecology physician records in Puerto Rico.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Angel Aviles Aviles, MDSanturce, PR 009091225016132
  2. Juan Bonano, M.D.San Juan, PR 009091851341630
  3. Nicolas Casellas Castillo, MDSan Juan, PR 009091770540304
  4. Soan Cruz Ortiz, M.D.San Juan, PR 009091053540823
  5. Francisco De Torres, MDSanturce, PR 009091487724415
  6. Angel Fraguada, M.D.Santurce, PR 009091447251285
  7. Monica Martinez Rivera, M.D.San Juan, PR 009091871873091
  8. Ramon Mendez, M.D.San Juan, PR 009091457345886

Common questions

What is Nitza Mercedes Serrano Medina, MD's NPI number?

Nitza Mercedes Serrano Medina, MD's National Provider Identifier (NPI) is 1124223250, issued on Jun 19, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Nitza Mercedes Serrano Medina, MD located?

The NPPES record lists a practice address at 1507 Ave Ponce DE Leon Apt 205, San Juan, PR, 00909. Phone: (787) 201-6246. Providers update this record themselves, so call before visiting.

How can I verify Nitza Mercedes Serrano Medina, MD's license?

NPPES lists Puerto Rico license number 17323, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Nitza Mercedes Serrano Medina, MD prescribe under Medicare Part D?

In 2024, Nitza Mercedes Serrano Medina, MD had 144 Medicare Part D claims for 66 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.