DR. ZINA A ABBAS M.D.
NPI 1962799189
Hospitalist in Chula Vista, CA
About Dr. Zina A Abbas M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ZINA A ABBAS M.D. (NPI 1962799189) is an individual hospitalist provider in Chula Vista, California, licensed in California (A145304) and active in the NPI registry since July 2011. She is enrolled in Medicare PECOS and is a graduate of Other (2001).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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. Zina A Abbas 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.
Medicare Billing Reassignments
2Medicare enrollment records show Zina Abbas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92120
- Reassigned Medicare billing, California enrollment
- 50 clinicians in this Medicare group
La Jolla, CA 92037
- Reassigned Medicare billing, California enrollment
- 278 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 3
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 91910 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
CHULA VISTA, CA 91910
CHULA VISTA, CA 91910
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 Zina Abbas's NPI number?
The NPI number for Zina Abbas is 1962799189. It was assigned to this individual provider in the NPPES registry on July 8, 2011.
Where is Zina Abbas located?
Zina Abbas practices at 435 H St, Chula Vista, CA 91910. The listed phone number is (619) 862-6673.
What is Zina Abbas's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Zina Abbas enrolled in Medicare?
Yes. Zina Abbas 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 Zina Abbas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Zina Abbas reassigns Medicare benefits to 2 organizations: East Campus Hospitalist Medical Group, Inc. (San Diego, CA) and Scripps Health Inpatient Providers Medical Group Inc. (La Jolla, 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 Zina Abbas'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 Zina Abbas was last updated on January 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.