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Medical Oncology

Nizar M. Tannir, MD

Sees patients in Houston, TX · Texas

Summary

Dr. Nizar M. Tannir, MD is an oncologist at 2130 W Holcombe Blvd, Univ of Tx M D Ande Life Sciences Plaza, Houston, TX 77030. Phone: (713) 592-5433. Accepts Medicare assignment. In 2024, Nizar M. Tannir had 125 Original Medicare patients and 318 services. NPI 1760588693. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Oncologist (Medicare lists Medical Oncology)
  • Address: 2130 W Holcombe Blvd, Univ of Tx M D Ande Life Sciences Plaza, Houston, TX 77030 · Directions
  • Phone: (713) 592‑5433
  • Medicare: Accepts Medicare assignment
  • Group practice: Physicians Referral Service
  • Medical school: graduated 1979 (47 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Nizar M. Tannir, 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 Nizar M. Tannir accept Medicare assignment?
Yes. Medicare's clinician data says Nizar M. Tannir 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 Nizar M. Tannir see?
In 2024, CMS data shows 125 Original Medicare patients and 318 services for Nizar M. Tannir. This counts Original Medicare only and measures volume, not quality.
What is Nizar M. Tannir's NPI number?
1760588693. 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 Nizar M. Tannir, 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 patients125
Services billed to Medicare318
Different services or procedures6
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)186 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)88 services
  3. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)34 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%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
  • Chronic kidney disease62%
  • Arthritis44%
  • Diabetes41%

Practice locations

Addresses where Nizar M. Tannir is enrolled with Medicare (CMS data updated October 2, 2026).

  • 2130 W Holcombe Blvd, Univ of Tx M D Ande Life Sciences PlazaHouston, TX 77030 (713) 592‑5433

Group practices

Medicare enrollment lists Nizar M. Tannir as a member of this group (CMS data updated October 2, 2026).

  • Physicians Referral Service2,765 clinicians in the group

Specialties

Find other Medical Oncology doctors in Texas →

Other oncologists in Houston

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

All oncologists in Houston →

Other clinicians in Physicians Referral Service

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

Clinician information

CredentialMD
Graduation year1979 (47 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1760588693
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