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Gastroenterology

Babak Firoozi, MD

Works at hospitals in Long Beach, CA · Fountain Valley, CA · Laguna Hills, CA · California

Summary

Dr. Babak Firoozi, MD is a gastroenterologist at 18035 Brookhurst St, Suite 2100, Fountain Valley, CA 92708. Phone: (657) 241-9090. Accepts Medicare assignment. In 2024, Babak Firoozi had 140 Original Medicare patients and 369 services. NPI 1891734828. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Babak Firoozi, 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 Babak Firoozi accept Medicare assignment?
Yes. Medicare's clinician data says Babak Firoozi 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 Babak Firoozi see?
In 2024, CMS data shows 140 Original Medicare patients and 369 services for Babak Firoozi. This counts Original Medicare only and measures volume, not quality.
What is Babak Firoozi's NPI number?
1891734828. 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 Babak Firoozi, 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 patients140
Services billed to Medicare369
Different services or procedures36
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)55 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)45 services
  3. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)36 services
  4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)34 services
  5. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)31 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 cholesterol75%
  • High blood pressure71%
  • Arthritis41%
  • Diabetes31%
  • Chronic kidney disease29%
  • Depression28%

Hospitals where Babak Firoozi works

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

Group practices

Medicare enrollment lists Babak Firoozi as a member of this group (CMS data updated October 2, 2026).

  • Memorialcare Medical Foundation566 clinicians in the group

Specialties

Find other Gastroenterology doctors in California →

Other gastroenterologists in Fountain Valley

Clinicians with the same Medicare primary specialty in Fountain Valley, CA — not a recommendation.

All gastroenterologists in Fountain Valley →

Other clinicians in Memorialcare Medical Foundation

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

Clinician information

CredentialMD
Graduation year1995 (31 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1891734828
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