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.
- 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
- Record last updated
- Jun 28, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (787) 834-1924
- Medicare enrollment
- Enrolled (PECOS I20100614000495); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 4,170 in Puerto Rico → Look up another NPI →
Also registered at Migrant Health Center, Inc.
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Olga Perez, LCDAOther Specialist/Technologist1164564118
- Lyselle Ramirez Coreano, MDPediatrics Physician1578606836
Verify Efrain Arroyo Pena 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 12358Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% 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 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Gabapentin237 claims
- Atorvastatin Calcium189 claims
- Losartan Potassium185 claims
- Lisinopril176 claims
- Metformin Hcl169 claims
- 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; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 4,259 providers of this specialty with any payment received $1,273.40 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.
Bills Medicare through one group practice
- Migrant Health Center Western Region,incMayaguez, PR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Efrain Arroyo Pena among 4,170 general practice physician records in Puerto Rico
Efrain Arroyo Pena, MD is one of 4,170 general practice physician records with a practice address in Puerto Rico. 78% 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 35% of them.
- NPI issued2007 · 35% of these records are older, 51% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 29% of these records are
- Graduated1994 · median 2004 among the 1,228 with a school on file
- Record last updated2010 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
154 general practice physician records list a practice address in Mayaguez
They are 154 of the 1,408 NPPES records with a practice address in Mayaguez, and 4,170 general practice physician records in Puerto Rico.
All 4,170 in Puerto Rico → Every provider in Mayaguez → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Rafael Alvarez, MDMayaguez, PR 006801114994993
- Marcos Ayala Rivera, M.D.Mayaguez, PR 006801194772640
- Jose Ballester Echegaray, MDMayaguez, PR 006801114994282
- Carmen Berrios, MDMayaguez, PR 006801578551784
- Shahid Chaudhary, M.D.Mayaguez, PR 006801932187499
- Pedro Gonzalez, MDMayaguez, PR 006801225026297
- Ivette Gonzalez, MDMayaguez, PR 006801215927298
- Yoilis Guerrero, MDMayaguez, PR 006801548204407
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 3,030. 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.