NPPES file of Aug 9, 2026

Paola Christina Mercado Millan, MD

Cardiovascular Disease Physician · Santurce, PR

Paola Christina Mercado Millan, MD is a cardiovascular disease physician with a practice address in Santurce, Puerto Rico, and NPI 1689121634, issued on Sep 7, 2016. Check the license (Puerto Rico 22258, 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
1689121634
Name
Paola Christina Mercado Millan
Credential
MD
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License numbers
22258 PR
34888 PR
Self-reported in NPPES; status is on the state search
Practice location
1395 Calle San Rafael # 20, Santurce, PR 00909
Phone
(787) 999-7620
Enumerated
Sep 7, 2016
Record last updated
Jul 16, 2024
Medicare enrollment
Enrolled (PECOS I20240814003874); accepts Medicare assignment
Medical or professional school
University Of Puerto Rico School Of Medicine, 2018
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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Verify Paola Christina Mercado Millan 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 22258
    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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94% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

192 Medicare Part D claims for 28 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Paola Mercado Millan192
  2. Specialty average3,078

Most prescribed

  1. Atorvastatin Calcium28 claims
  2. Losartan Potassium21 claims
  3. Metoprolol Succinate13 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: $516.80

17 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Paola Mercado Millan$516.80
  2. Specialty average$3,819.56

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

Bills Medicare through one group practice

  1. Ccs PscManati, PR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Paola Christina Mercado Millan among 259 cardiovascular disease physician records in Puerto Rico

Paola Christina Mercado Millan, MD is one of 259 cardiovascular disease physician records with a practice address in Puerto Rico. 97% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 90% of them.

  • NPI issued2016 · 90% of these records are older, 6% newer
  • In a Medicare fileYes · 97% of these records are
  • In the CMS Doctors and Clinicians fileYes · 84% of these records are
  • Graduated2018 · median 1991 among the 218 with a school on file
  • Record last updated2024 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

9 cardiovascular disease physician records list a practice address in Santurce

They are 9 of the 201 NPPES records with a practice address in Santurce, and 259 cardiovascular disease physician records in Puerto Rico.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Carlos Diaz, MDSanturce, PR 009091093701062
  2. Edmundo Jordan - Morey, MDSan Juan, PR 009091679537120
  3. Miguel Lopez-Diaz, MDSan Juan, PR 009091568433852
  4. Jose Nadal, MDSanturce, PR 009091245325406
  5. Manuel Quiles Lugo, MDSanturce, PR 009091801871785
  6. Claudia Rosales-Alvarez, MDSantuce, PR 009091538189121
  7. Jaime Ruiz-Rodriguez, MDSan Juan, PR 009091245288174
  8. Sonia Velazquez-Navarro, M.D.San Juan, PR 009091497712392

Common questions

What is Paola Christina Mercado Millan, MD's NPI number?

Paola Christina Mercado Millan, MD's National Provider Identifier (NPI) is 1689121634, issued on Sep 7, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Paola Christina Mercado Millan, MD located?

The NPPES record lists a practice address at 1395 Calle San Rafael # 20, Santurce, PR, 00909. Phone: (787) 999-7620. Providers update this record themselves, so call before visiting.

How can I verify Paola Christina Mercado Millan, MD's license?

NPPES lists Puerto Rico license number 22258, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Paola Christina Mercado Millan, MD prescribe under Medicare Part D?

In 2024, Paola Christina Mercado Millan, MD had 192 Medicare Part D claims for 28 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.