NPPES file of Aug 9, 2026

Elfren A. Colon, MD

Anesthesiology Physician · San Juan, PR

Elfren A. Colon, MD is an anesthesiology physician with a practice address in San Juan, Puerto Rico, and NPI 1528265030, issued on Jun 28, 2007. Check the license (Puerto Rico 16042, 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
1528265030
Name
Elfren A. Colon
Credential
MD
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
16042 PR
Self-reported in NPPES; status is on the state search
Practice location
Anestesiologia Rcm, San Juan, PR 00929
Phone
(787) 758-0640
Enumerated
Jun 28, 2007
Record last updated
Dec 10, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(787) 758-1327
Medicare enrollment
Enrolled (PECOS I20110215000848); accepts Medicare assignment
Medical or professional school
University Of Puerto Rico School Of Medicine, 2004
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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Also registered at Anestesiologia Rcm

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

  1. Hector Torres, M.D.Anesthesiology Physician1568496073

Verify Elfren A. Colon 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 16042
    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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Industry payments in 2024: $142.68

2 payments; by number, the most common kind was food and beverage; the largest payer was Eisai Inc. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Elfren Colon$142.68
  2. Specialty average$669.59

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. Recinto DE Ciencias MedicasRio Piedras, PR

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

Elfren A. Colon among 191 anesthesiology physician records in Puerto Rico

Elfren A. Colon, MD is one of 191 anesthesiology physician records with a practice address in Puerto Rico. 69% 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 60% of them.

  • NPI issued2007 · 60% of these records are older, 23% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 47% of these records are
  • Graduated2004 · median 1994 among the 89 with a school on file
  • Record last updated2010 · 71% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiology Physician providers in Puerto Rico

There are 191 anesthesiology physician records in Puerto Rico.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Dimaris Dominguez-Ayala, M.D.San Juan, PR 009291700830825
  2. Julia Maldonado-Alejandro, M.D.San Juan, PR 009291710934112
  3. Grisel Pedraza-Rosa, M.D.San Juan, PR 009291629272661
  4. Jesus Rodriguez-Ortiz, M.D.San Juan, PR 009291922049584
  5. Hector Torres, M.D.San Juan, PR 009291568496073
  6. Pedro Rivera, M.D.San Juan, PR 009281447278056
  7. Griselle Casado, MDSan Juan, PR 009271265524169
  8. Maria Dumois, MDSan Juan, PR 009271881616951

Common questions

What is Elfren A. Colon, MD's NPI number?

Elfren A. Colon, MD's National Provider Identifier (NPI) is 1528265030, issued on Jun 28, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Elfren A. Colon, MD located?

The NPPES record lists a practice address at Anestesiologia Rcm, San Juan, PR, 00929. Phone: (787) 758-0640. Providers update this record themselves, so call before visiting.

How can I verify Elfren A. Colon, MD's license?

NPPES lists Puerto Rico license number 16042, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity 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.