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Pulmonary Disease

Omar S. Tirmizi, MD

Works at hospitals in Los Angeles, CA · California

Summary

Dr. Omar S. Tirmizi, MD is a pulmonologist at 4340 Overland Ave, Culver City, CA 90230. Phone: (310) 556-0702. Accepts Medicare assignment. In 2024, Omar S. Tirmizi had 354 Original Medicare patients and 2,159 services. NPI 1306902739. 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: Pulmonologist (Medicare lists Pulmonary Disease)
  • Address: 4340 Overland Ave, Culver City, CA 90230 · Directions
  • Phone: (310) 556‑0702
  • Medicare: Accepts Medicare assignment
  • Hospital: Cedars-Sinai Medical Center
  • Medical school: graduated 1988 (38 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 S. Tirmizi, 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 S. Tirmizi accept Medicare assignment?
Yes. Medicare's clinician data says Omar S. Tirmizi 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 S. Tirmizi see?
In 2024, CMS data shows 354 Original Medicare patients and 2,159 services for Omar S. Tirmizi. This counts Original Medicare only and measures volume, not quality.
What is Omar S. Tirmizi's NPI number?
1306902739. 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 S. Tirmizi, 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 patients354
Services billed to Medicare2,159
Different services or procedures22
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)1,222 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)268 services
  3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)185 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)168 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)77 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%
  • Arthritis56%
  • Ischemic heart disease50%
  • Diabetes44%
  • Heart failure41%

Hospitals where Omar S. Tirmizi works

Medicare's Facility Affiliation Data lists Omar S. Tirmizi 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 S. Tirmizi is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Pulmonary Disease doctors in California →

Other pulmonologists in California

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

All pulmonologists in California →

Clinician information

CredentialMD
Graduation year1988 (38 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1306902739
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