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Vascular Surgery

Omar Z. Tahir, MD

Sees patients in San Bernardino, CA · Apple Valley, CA · California

Summary

Dr. Omar Z. Tahir, MD is a vascular surgeon at 1376 N Waterman Ave, San Bernardino, CA 92404. Phone: (760) 683-2199. Accepts Medicare assignment. In 2024, Omar Z. Tahir had 99 Original Medicare patients and 499 services. NPI 1316102544. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Vascular surgeon (Medicare lists Vascular Surgery)
  • Address: 1376 N Waterman Ave, San Bernardino, CA 92404 · Directions (1 more location)
  • Phone: (760) 683‑2199
  • Medicare: Accepts Medicare assignment
  • Medical school: graduated 2005 (21 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Omar Z. Tahir, 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 Z. Tahir accept Medicare assignment?
Yes. Medicare's clinician data says Omar Z. Tahir 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 Z. Tahir see?
In 2024, CMS data shows 99 Original Medicare patients and 499 services for Omar Z. Tahir. This counts Original Medicare only and measures volume, not quality.
What is Omar Z. Tahir's NPI number?
1316102544. 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 Z. Tahir, 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 patients99
Services billed to Medicare499
Different services or procedures17
Participating Medicare providerYes
Average age of these patients70

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)122 services
  2. Ultrasound study of arm or leg veins with compression and maneuvers (93970)109 services
  3. Ultrasound study of one arm or leg veins with compression and maneuvers (93971)63 services
  4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)50 services
  5. Chemical destruction of first incompetent vein of arm or leg using imaging guidance (36482)41 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 cholesterol73%
  • High blood pressure70%
  • Arthritis57%
  • Diabetes44%
  • Chronic kidney disease30%
  • Depression27%

Practice locations

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

Specialties

Find other Vascular Surgery doctors in California →

Other vascular surgeons in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All vascular surgeons in California →

Clinician information

CredentialMD
Graduation year2005 (21 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1316102544
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