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Endocrinology

Omar F. Najera, MD

Works at hospitals in San Marcos, TX · Texas

Summary

Dr. Omar F. Najera, MD is an endocrinologist at 7323 N Loop 1604, Suite 601, San Antonio, TX 78233. Phone: (210) 650-3360. Accepts Medicare assignment. In 2024, Omar F. Najera had 291 Original Medicare patients and 4,316 services. NPI 1952741555. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Endocrinologist (Medicare lists Endocrinology)
  • Address: 7323 N Loop 1604, Suite 601, San Antonio, TX 78233 · Directions
  • Phone: (210) 650‑3360
  • Medicare: Accepts Medicare assignment
  • Hospital: CHRISTUS Santa Rosa Hospital-San Marcos
  • Group practice: Northeast Endocrinolgy Associates
  • Medical school: University Of Texas Medical School At San Antonio · graduated 2013 (13 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Omar F. Najera, 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 Omar F. Najera accept Medicare assignment?
Yes. Medicare's clinician data says Omar F. Najera 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 Omar F. Najera see?
In 2024, CMS data shows 291 Original Medicare patients and 4,316 services for Omar F. Najera. This counts Original Medicare only and measures volume, not quality.
What is Omar F. Najera's NPI number?
1952741555. 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 Omar F. Najera, 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 patients291
Services billed to Medicare4,316
Different services or procedures26
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month (99490)1,036 services
  2. Administration and interpretation of patient-focused health risk assessment (96160)566 services
  3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)509 services
  4. Complex chronic care management services for two or more chronic conditions, first 60 minutes of clinical staff time directed by health care professional, per calendar month (99487)378 services
  5. Blood glucose (sugar) test performed by hand-held instrument (82962)362 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%
  • Diabetes63%
  • Arthritis46%
  • Chronic kidney disease40%
  • Ischemic heart disease39%

Hospitals where Omar F. Najera works

Medicare's Facility Affiliation Data lists Omar F. Najera at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Omar F. Najera is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Omar F. Najera as a member of this group (CMS data updated October 2, 2026).

  • Northeast Endocrinolgy Associates6 clinicians in the group

Specialties

Find other Endocrinology doctors in Texas →

Other endocrinologists in San Antonio

Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.

All endocrinologists in San Antonio →

Other clinicians in Northeast Endocrinolgy Associates

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

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Medical School At San Antonio
Graduation year2013 (13 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1952741555
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians