Natalia Mestres Franco
Hematology & Oncology Physician · San Juan, PR
Natalia Mestres Franco is a hematology & oncology physician with a practice address in San Juan, Puerto Rico, and NPI 1013416056, issued on Feb 5, 2018. Check the license (Puerto Rico 23404, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Natalia Mestres Franco
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License numbers
- 23404 PR
6117790 PR
Self-reported in NPPES; status is on the state search - Practice location
- 1156 Calle 62 SE, San Juan, PR 00921
- Phone
- (787) 758-2525
- Enumerated
- Feb 5, 2018
- Record last updated
- Apr 20, 2026
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 134 in Puerto Rico → Look up another NPI →
Also registered at 1156 Calle 62 SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Natalia Mestres Franco 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 23404Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
22 Medicare Part D claims for 11 beneficiaries, against an average of 877 among the 10,784 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.
Industry payments in 2024: $1,389.30
41 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 8,560 providers of this specialty with any payment received $7,481.41 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Natalia Mestres Franco among 134 hematology & oncology physician records in Puerto Rico
Natalia Mestres Franco is one of 134 hematology & oncology physician records with a practice address in Puerto Rico. 91% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 98% of them.
- NPI issued2018 · 98% of these records are older, 1% newer
- In a Medicare fileYes · 91% of these records are
- In the CMS Doctors and Clinicians fileNo · 73% of these records are
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Puerto Rico
There are 134 hematology & oncology physician records in Puerto Rico.
All 134 in Puerto Rico → Every provider in San Juan → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Natalia Almodovar Arbelo, MDSan Juan, PR 009211114381902
- Norma Arroyo, M.D.San Juan, PR 009211750391454
- William Caceres, MDSan Juan, PR 009211518910801
- Elizabeth Calderon-Alicea, MDSan Juan, PR 009211285883520
- Miguel Colon Donate, MDSan Juan, PR 009211609262781
- Armando Garcia, M.D.San Juan, PR 009211346347515
- Awilda Maldonado-Mercado, MDSan Juan, PR 009211316930431
- Dalianie Nieves, MDSan Juan, PR 009211073044517
Common questions
What is Natalia Mestres Franco's NPI number?
Natalia Mestres Franco's National Provider Identifier (NPI) is 1013416056, issued on Feb 5, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Natalia Mestres Franco located?
The NPPES record lists a practice address at 1156 Calle 62 SE, San Juan, PR, 00921. Phone: (787) 758-2525. Providers update this record themselves, so call before visiting.
How can I verify Natalia Mestres Franco's license?
NPPES lists Puerto Rico license number 23404, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Natalia Mestres Franco prescribe under Medicare Part D?
In 2024, Natalia Mestres Franco had 22 Medicare Part D claims for 11 beneficiaries; the average among hematology & oncology physician prescribers was 877. 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.