DR. ESSAM R QURAISHI MD
NPI 1902952690
Internal Medicine - Gastroenterology in Santa Ana, CA
About Dr. Essam R Quraishi Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ESSAM R QURAISHI MD (NPI 1902952690) is an individual gastroenterology provider in Santa Ana, California, licensed in California (C133332) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, maintains a secondary practice location in Irvine, and is a graduate of Other (2000).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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. Essam R Quraishi Md 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.
Medicare Billing Reassignments
4Medicare enrollment records show Essam Quraishi reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Santa Ana, CA 92704
- Reassigned Medicare billing, California enrollment
- 2 clinicians in this Medicare group
Santa Ana, CA 92704
- Reassigned Medicare billing, California enrollment
- 5 clinicians in this Medicare group
Yorba Linda, CA 92886
- Reassigned Medicare billing, California enrollment
- 23 clinicians in this Medicare group
Yorba Linda, CA 92886
- Reassigned Medicare billing, California enrollment
- 40 clinicians in this Medicare group
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 7
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92704 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SANTA ANA, CA 92704
SANTA ANA, CA 92704
SANTA ANA, CA 92704
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 Essam Quraishi's NPI number?
The NPI number for Essam Quraishi is 1902952690. It was assigned to this individual provider in the NPPES registry on January 26, 2007.
Where is Essam Quraishi located?
Essam Quraishi practices at 2621 S Bristol St Ste 202, Santa Ana, CA 92704. The listed phone number is (657) 900-4536.
What is Essam Quraishi's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Essam Quraishi enrolled in Medicare?
Yes. Essam Quraishi 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 Essam Quraishi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Essam Quraishi reassigns Medicare benefits to 4 organizations: Gastrointestinal And Liver Consultants Inc. (Santa Ana, CA), Orange County Digestive Anesthesia, Inc. (Santa Ana, CA), Anchor Medical Group (Yorba Linda, CA) and Caduceus Physicians Medical Group (Yorba Linda, 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 Essam Quraishi'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 Essam Quraishi was last updated on October 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.