GASTROINTESTINAL AND LIVER CONSULTANTS INC.
NPI 1932578028
Internal Medicine - Gastroenterology in Santa Ana, CA

Q: What is Gastrointestinal And Liver Consultants Inc.'s specialty?

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

Active since September 18, 2015

2621 S BRISTOL ST STE 202, SANTA ANA, CA 92704(657) 900-4536 Get Directions Write a Review

NPPES record last updated: September 23, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 21, 2021, Aug 21, 2019, Jul 9, 2019 and 2 more (5 updates tracked since 2018).

On this page

About Gastrointestinal And Liver Consultants Inc. NPPES

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

GASTROINTESTINAL AND LIVER CONSULTANTS INC. (NPI 1932578028) is a healthcare organization registered as a gastroenterology in Santa Ana, California and active in the NPI registry since September 2015. The organization maintains 3 additional practice locations and lists Essam R Quraishi, Owner, as its authorized official.

NPPES Registry Identity

NPI1932578028

Entity TypeOrganization

Primary Taxonomy207RG0100X

Legal Business NameGASTROINTESTINAL AND LIVER CONSULTANTS INC.

Location Address2621 S BRISTOL ST STE 202Santa Ana, CA 92704-5718

Mailing Address2621 S Bristol St Ste 202Santa Ana, CA 92704-5718 · (657) 900-4536 · Fax (657) 208-9732

Phone(657) 900-4536

Organization SubpartNo

Authorized OfficialEssam R QuraishiOwner · (657) 900-4536

Enumeration DateSeptember 18, 2015

Last NPPES UpdateSeptember 23, 20255 updates tracked since enumeration

NPPES CertifiedSeptember 23, 2025

✔ NPI 1932578028 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in CA · C133332

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.

2621 S BRISTOL ST STE 202, Santa Ana, CA 92704

Open in Google Maps ↗

Secondary Practice Locations 3

Location 15455 Garden Grove Blvd Ste 230Westminster, CA 92683-8242 · Phone (657) 900-4536 · Fax (657) 208-9732

Location 2710 N Euclid St Ste 210Anaheim, CA 92801-4132 · Phone (657) 900-4536 · Fax (657) 208-9732

Location 31400 Reynolds Ave Ste 100Irvine, CA 92614-5559 · Phone (657) 900-4536 ext. 8407

Other Identifiers 1

Medicaid6579041CA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gastrointestinal And Liver Consultants Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to Gastrointestinal And Liver Consultants Inc., which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Essam Quraishi, MD

Gastroenterology

NPI 1902952690

2621 S BRISTOL ST STE 202
Santa Ana, CA 92704

(657) 900-4536

✔ PECOS✔ Accepts MedicareSame address

Javed Sadiq, M.D.

Gastroenterology

NPI 1609194703

2621 S BRISTOL ST STE 202
Santa Ana, CA 92704

(657) 900-4536

✔ PECOS✔ Accepts MedicareSame address

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

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 Gastrointestinal And Liver Consultants Inc.'s NPI number?

The NPI number for Gastrointestinal And Liver Consultants Inc. is 1932578028. It was assigned to this organization in the NPPES registry on September 18, 2015.

Where is Gastrointestinal And Liver Consultants Inc. located?

Gastrointestinal And Liver Consultants Inc. is located at 2621 S Bristol St Ste 202, Santa Ana, CA 92704. The listed phone number is (657) 900-4536.

What is Gastrointestinal And Liver Consultants Inc.'s specialty?

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

Is Gastrointestinal And Liver Consultants Inc. enrolled in Medicare?

Yes. Gastrointestinal And Liver Consultants Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Gastrointestinal And Liver Consultants Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Gastroenterology, reassign their Medicare billing to Gastrointestinal And Liver Consultants Inc.. A 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 the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Gastrointestinal And Liver Consultants Inc. was last updated on September 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.