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Endocrinology

Juan R. Otero, MD

Sees patients in Rio Piedras, PR · Puerto Rico

Summary

Dr. Juan R. Otero, MD is an endocrinologist at 1 ER Piso Centro Medico, Edif Decanato De Farmacia, Rio Piedras, PR 00936. Phone: (787) 773-8283. Accepts Medicare assignment. In 2024, Juan R. Otero had 36 Original Medicare patients and 57 services. NPI 1871590968. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Endocrinologist (Medicare lists Endocrinology)
  • Address: 1 ER Piso Centro Medico, Edif Decanato De Farmacia, Rio Piedras, PR 00936 · Directions
  • Phone: (787) 773‑8283
  • Medicare: Accepts Medicare assignment
  • Group practice: Centro de Investigacion Educacion y Servicios Medicos Para la Diabetes
  • Medical school: University Of Puerto Rico School Of Medicine · graduated 1983 (43 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Juan R. Otero, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Juan R. Otero accept Medicare assignment?
Yes. Medicare's clinician data says Juan R. Otero accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Juan R. Otero see?
In 2024, CMS data shows 36 Original Medicare patients and 57 services for Juan R. Otero. This counts Original Medicare only and measures volume, not quality.
What is Juan R. Otero's NPI number?
1871590968. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Juan R. Otero, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients36
Services billed to Medicare57
Different services or procedures3
Participating Medicare providerYes
Average age of these patients78

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)28 services
  2. Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (99211)16 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Diabetes75%
  • Arthritis53%
  • Chronic kidney disease44%

Practice locations

Addresses where Juan R. Otero is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Juan R. Otero as a member of this group (CMS data updated October 2, 2026).

  • Centro de Investigacion Educacion y Servicios Medicos Para la Diabetes7 clinicians in the group

Specialties

Find other Endocrinology doctors in Puerto Rico →

Other endocrinologists in Rio Piedras

Clinicians with the same Medicare primary specialty in Rio Piedras, PR — not a recommendation.

All endocrinologists in Rio Piedras →

Other clinicians in Centro de Investigacion Educacion y Servicios Medicos Para la Diabetes

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Puerto Rico School Of Medicine
Graduation year1983 (43 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1871590968
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians