Registry data as of Aug 27, 2026

Efrain Arroyo Pena, MD

General Practice Physician · Mayaguez, PR

Efrain Arroyo Pena, MD is a general practice physician with a practice address in Mayaguez, Puerto Rico, and NPI 1982745063, issued on Feb 9, 2007. Check the license (Puerto Rico 12358, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1982745063
Name
Efrain Arroyo Pena
Credential
MD
Primary taxonomy
General Practice Physician 208D00000X
License number
12358 PR
Self-reported in NPPES; status is on the state search
Practice location
Migrant Health Center, Inc., Mayaguez, PR 00680
Phone
(787) 805-2900
Enumerated
Feb 9, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at Migrant Health Center, Inc.

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

  1. Frances Acevedo Perez, MDGeneral Practice Physician1689781312
  2. Ana A Caban, PROFNutritionist1053453514
  3. Elizabeth Hermina Mercado, PSYDClinical Psychologist1346382801
  4. Jose L Martinez Camacho, LICDOther Specialist/Technologist1326182254
  5. Olga Perez, LCDAOther Specialist/Technologist1164564118
  6. Lyselle Ramirez Coreano, MDPediatrics Physician1578606836

Verify Efrain Arroyo Pena 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 12358
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

30% more Medicare Part D claims than the average general practice physician in 2024

3,840 Medicare Part D claims for 218 beneficiaries, against an average of 2,957 among the 8,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Efrain Arroyo Pena3,840
  2. Specialty average2,957

Most prescribed

  1. Gabapentin237 claims
  2. Atorvastatin Calcium189 claims
  3. Losartan Potassium185 claims
  4. Lisinopril176 claims
  5. Metformin Hcl169 claims
  6. Famotidine164 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: $115.35

5 payments, mostly food and beverage; the largest payer was Gilead Sciences, Inc.. The 4,601 providers of this specialty with any payment received $1,297.26 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Efrain Arroyo Pena$115.35
  2. Specialty average$1,297.26

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

One hospital or facility affiliation

  1. Migrant Health Center Western Region,incMayaguez, PR

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

156 general practice physician records list a Mayaguez practice address

They are 156 of the 1,408 NPPES records with a Mayaguez practice address, and 3,970 general practice physician records in Puerto Rico.

Other general practice physician records in Puerto Rico

  1. Veronica Abraham, MDBayamon, PR1881204089
  2. Manuel Abraham Gonzalez, M.D.San Juan, PR1811297534
  3. Jennifer Abraham Vega, MDSan Juan, PR1366030595
  4. Jose M. Abreu Guzman, M.D.Manati, PR1982745816
  5. Steven Abreu Reyes, M.D.Las Piedras, PR1801146667
  6. Ibrahim Abu-Usbaabdel-FattahAibonito, PR1285851758
  7. Nidal Abukhalil Rashid, MDHatillo, PR1760435226
  8. Adrian Acevedo, M.D.Santa Isabel, PR1518173624
  9. Angel Acevedo, MDSan Juan, PR1689663817
  10. Angelic AcevedoVega Alta, PR1386723518

Common questions

What is Efrain Arroyo Pena, MD's NPI number?

Efrain Arroyo Pena, MD's National Provider Identifier (NPI) is 1982745063, issued on Feb 9, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Efrain Arroyo Pena, MD located?

The NPPES record lists a practice address at Migrant Health Center, Inc., Mayaguez, PR, 00680. Phone: (787) 805-2900. Providers update this record themselves, so call before visiting.

How can I verify Efrain Arroyo Pena, MD's license?

NPPES lists Puerto Rico license number 12358, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Efrain Arroyo Pena, MD prescribe under Medicare Part D?

In 2024, Efrain Arroyo Pena, MD had 3,840 Medicare Part D claims for 218 beneficiaries; the average among general practice physician prescribers was 2,957. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.