DR. TAREK R NASSIF MD
NPI 1730124611
Family Medicine in San Gabriel, CA
About Dr. Tarek R Nassif Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TAREK R NASSIF MD (NPI 1730124611) is an individual family medicine provider in San Gabriel, California, licensed in California (A53919) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through February 10, 2028, and is a graduate of Other (1986).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 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. Tarek R Nassif 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
3Medicare enrollment records show Tarek Nassif reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Alhambra, CA 91801
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Andy Shen MD Inc
- 50 clinicians in this Medicare group
Los Angeles, CA 90015
- Reassigned Medicare billing, California enrollment
- 2,052 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 187 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.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 05D0996120
Tarek R Nassif MD · San Gabriel, CAAreas of Expertise CMS Part B claims 11
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 91776 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 6
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN GABRIEL, CA 91776
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 Tarek Nassif's NPI number?
The NPI number for Tarek Nassif is 1730124611. It was assigned to this individual provider in the NPPES registry on June 17, 2006.
Where is Tarek Nassif located?
Tarek Nassif practices at 416 W Las Tunas Dr Suite #307, San Gabriel, CA 91776. The listed phone number is (626) 289-0130.
What is Tarek Nassif's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Tarek Nassif enrolled in Medicare?
Yes. Tarek Nassif 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 Tarek Nassif's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tarek Nassif reassigns Medicare benefits to 3 organizations: Andy Shen, M.D., Inc. (Alhambra, CA), Healthcare Partners Affiliates Medical Group (Los Angeles, CA) and Southern California Hospitalist Network Medical Group Inc (Orange, 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 Tarek Nassif's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Does Tarek Nassif hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 05D0996120) is associated with this NPI, valid through February 10, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Tarek Nassif was last updated on September 11, 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.