DR. NASSER BAYATI M.D.
NPI 1902851744
Hospitalist in Chula Vista, CA
About Dr. Nasser Bayati M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NASSER BAYATI M.D. (NPI 1902851744) is an individual hospitalist provider in Chula Vista, California, licensed in California (A83515) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Escondido, and is a graduate of Other (1990).
NPPES Registry Identity
Specialties & Licenses 2
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. Nasser Bayati 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
4Medicare enrollment records show Nasser Bayati reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 1,437 clinicians in this Medicare group
San Diego, CA 92111
- Reassigned Medicare billing, California enrollment
- 1,233 clinicians in this Medicare group
Poway, CA 92064
- Reassigned Medicare billing, California enrollment
- 962 clinicians in this Medicare group
Escondido, CA 92025
- Reassigned Medicare billing, California enrollment
- 111 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 4
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 91913 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.
Referred Medical Equipment & Supplies CMS DME claims 2
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.
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 Nasser Bayati's NPI number?
The NPI number for Nasser Bayati is 1902851744. It was assigned to this individual provider in the NPPES registry on May 23, 2006.
Where is Nasser Bayati located?
Nasser Bayati practices at 1400 E Palomar St, Chula Vista, CA 91913. The listed phone number is (858) 499-2616.
What is Nasser Bayati's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Nasser Bayati enrolled in Medicare?
Yes. Nasser Bayati 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 Nasser Bayati's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nasser Bayati reassigns Medicare benefits to 4 organizations: Emergency And Acute Care Medical Corporation (San Diego, CA), Sharp Rees-Stealy Medical Group, Inc (San Diego, CA), Galen Inpatient Physicians Inc (Poway, CA) and Graybill Medical Group Inc (Escondido, 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 Nasser Bayati'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 Nasser Bayati was last updated on February 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Dr. Nasser Bayati, M.D. · NPI 1902851744
Hospitalist physician in Chula Vista, California. Individual provider, active in the CMS NPPES registry since May 23, 2006.
## Identity
- **NPI:** 1902851744 (Entity type: Individual)
- **Enumerated:** May 23, 2006
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A83515 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1400 E PALOMAR ST, Chula Vista, CA 91913-1800
- **Phone:** (858) 499-2616
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Emergency And Acute Care Medical Corporation (NPI 1437103942, San Diego, CA); Sharp Rees-Stealy Medical Group, Inc (NPI 1285616177, San Diego, CA); Galen Inpatient Physicians Inc (NPI 1326389289, Poway, CA); Graybill Medical Group Inc (NPI 1891729745, Escondido, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1990
## Record status
- **NPPES last updated:** February 27, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1902851744) · Data from the CMS NPPES public registry.