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DR. BABAK FIROOZI M.D.
NPI 1891734828
Internal Medicine - Gastroenterology in Fountain Valley, CA

Active since June 05, 2006PECOS EnrolledAccepts Medicare Assignment
18035 BROOKHURST ST., SUITE 2100, FOUNTAIN VALLEY, CA 92708(657) 241-9090(714) 665-4603 Get Directions Write a Review

NPPES record last updated: January 12, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 12, 2023, Nov 22, 2022, Nov 30, 2021 (3 updates tracked since 2021).

About Dr. Babak Firoozi M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. BABAK FIROOZI M.D. (NPI 1891734828) is an individual gastroenterology provider in Fountain Valley, California, licensed in California (C54247) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1995).

NPPES Registry Identity

NPI1891734828
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. BABAK FIROOZICredential: M.D.
Location Address18035 BROOKHURST ST., SUITE 2100Fountain Valley, CA 92708
Mailing Address18035 Brookhurst St., Suite 2100Fountain Valley, CA 92708 · (657) 241-9090 · Fax (714) 665-4603
Phone(657) 241-9090
Fax(714) 665-4603
Sole ProprietorNo
Medical School CMSOtherGraduated 1995
Enumeration DateJune 5, 2006
Last NPPES UpdateJanuary 12, 20233 updates tracked since enumeration
NPPES CertifiedJanuary 12, 2023
✔ NPI 1891734828 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Licenses✔ Licensed in CA · C54247✔ Licensed in NJ · MA64612
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
18035 BROOKHURST ST., SUITE 2100, Fountain Valley, CA 92708
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Other Identifiers 1

OtherCB400545CA · Medicare

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Babak Firoozi M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7810939188
PECOS Enrollment IDI20110713000192
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Babak Firoozi reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Memorialcare Medical Foundation
0.8 mi
Clinic/Center
17360 BROOKHURST ST
Fountain Valley, CA 92708
  • Reassigned Medicare billing, California enrollment
  • 948 clinicians in this Medicare group
NPI 1205167350 (877) 696-3622
Healthcare Partners Affiliates Medical Group
7.5 mi
Addiction Medicine
14591 NEWPORT AVE
Tustin, CA 92780
  • Reassigned Medicare billing, California enrollment
  • 2,052 clinicians in this Medicare group
NPI 1891981502 (714) 442-4864
Southern California Permanente Medical Group
12 mi
Health Maintenance Organization
1893 W MALVERN AVE
Fullerton, CA 92833
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group
NPI 1336556059 (877) 608-0044

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
45 services35 patients
Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
36 services36 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
34 services34 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
31 services30 patients
Biopsy of large bowel using a flexible endoscope 45380
A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.
27 services27 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
27 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92708 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Babak Firoozi's NPI number?

The NPI number for Babak Firoozi is 1891734828. It was assigned to this individual provider in the NPPES registry on June 5, 2006.

Where is Babak Firoozi located?

Babak Firoozi practices at 18035 Brookhurst St., Suite 2100, Fountain Valley, CA 92708. The listed phone number is (657) 241-9090.

What is Babak Firoozi's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Babak Firoozi enrolled in Medicare?

Yes. Babak Firoozi is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Babak Firoozi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Babak Firoozi reassigns Medicare benefits to 3 organizations: Memorialcare Medical Foundation (Fountain Valley, CA), Healthcare Partners Affiliates Medical Group (Tustin, CA) and Southern California Permanente Medical Group (Fullerton, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Babak Firoozi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Babak Firoozi was last updated on January 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.