Mariela Marquez Pantoja, M.D.
Nephrology Physician · Juncos, PR
Mariela Marquez Pantoja, M.D. is a nephrology physician with a practice address in Juncos, Puerto Rico, and NPI 1376978098, issued on Sep 12, 2013. Check the license (Puerto Rico 19598, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mariela Marquez Pantoja
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- 19598 PR
29470R PR
Self-reported in NPPES; status is on the state search - Practice location
- 26 Calle Martinez, Juncos, PR 00777
- Phone
- (787) 734-8042
- Enumerated
- Sep 12, 2013
- Record last updated
- Jul 28, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190628000908); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 152 in Puerto Rico → Look up another NPI →
Also registered at 26 Calle Martinez
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Yamiris Rodriguez, M.D.Nephrology Physician1700233848
Verify Mariela Marquez Pantoja 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 19598Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% more Medicare Part D claims than the average nephrology physician in 2024
1,794 Medicare Part D claims for 240 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Allopurinol254 claims
- Jardiance160 claims
- Calcitriol130 claims
- Bumetanide92 claims
- Carvedilol77 claims
- Losartan Potassium67 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: $329.80
11 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 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.
Mariela Marquez Pantoja among 152 nephrology physician records in Puerto Rico
Mariela Marquez Pantoja, M.D. is one of 152 nephrology physician records with a practice address in Puerto Rico. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 71% of them.
- NPI issued2013 · 71% of these records are older, 27% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated2013 · median 2004 among the 124 with a school on file
- Record last updated2019 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2 nephrology physician records list a practice address in Juncos
They are 2 of the 238 NPPES records with a practice address in Juncos, and 152 nephrology physician records in Puerto Rico.
All 152 in Puerto Rico → Every provider in Juncos → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Ricardo Calderon Ortiz, M.D.Gurabo, PR 007771548468804
- Yamiris Rodriguez, M.D.Juncos, PR 007771700233848
- Francisco Caraballo Garcia, MDCoto Laurel, PR 007801881151694
- Jorge Grillasca Palou, M.D.Coto Laurel, PR 007801467493726
- Alexandra Rosario AuletCoto Laurel, PR 007801629558895
- Luis Vazquez Moyet, M.D.Guayama, PR 007851831398429
- Carmen Colon Zayas, M.D.Villalba, PR 007661598931024
- Fatima Cintron-Rosa, M.D.Humacao, PR 007911578827309
Common questions
What is Mariela Marquez Pantoja, M.D.'s NPI number?
Mariela Marquez Pantoja, M.D.'s National Provider Identifier (NPI) is 1376978098, issued on Sep 12, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Mariela Marquez Pantoja, M.D. located?
The NPPES record lists a practice address at 26 Calle Martinez, Juncos, PR, 00777. Phone: (787) 734-8042. Providers update this record themselves, so call before visiting.
How can I verify Mariela Marquez Pantoja, M.D.'s license?
NPPES lists Puerto Rico license number 19598, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Mariela Marquez Pantoja, M.D. prescribe under Medicare Part D?
In 2024, Mariela Marquez Pantoja, M.D. had 1,794 Medicare Part D claims for 240 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.