ELYAS PARSA D.O.
NPI 1902034168
Emergency Medicine in Antioch, CA
About Elyas Parsa D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ELYAS PARSA D.O. (NPI 1902034168) is an individual emergency medicine provider in Antioch, California, licensed in California (20A12334) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS, maintains a secondary practice location in French Camp, and is a graduate of Other (2009).
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
Elyas Parsa D.o. 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
7Medicare enrollment records show Elyas Parsa reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Antioch, CA 94509
- Reassigned Medicare billing, California enrollment
- 2,323 clinicians in this Medicare group
Orinda, CA 94563
- Reassigned Medicare billing, California enrollment
- 4,479 clinicians in this Medicare group
Fairfield, CA 94534
- Reassigned Medicare billing, California enrollment
- 3,056 clinicians in this Medicare group
Tracy, CA 95376
- Reassigned Medicare billing, California enrollment
- 57 clinicians in this Medicare group
Stockton, CA 95202
- Reassigned Medicare billing, California enrollment
- 534 clinicians in this Medicare group
French Camp, CA 95231
- Reassigned Medicare billing, California enrollment
- 512 clinicians in this Medicare group
Mission Viejo, CA 92692
- Reassigned Medicare billing, California enrollment
- 6 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94531 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 19
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 Elyas Parsa's NPI number?
The NPI number for Elyas Parsa is 1902034168. It was assigned to this individual provider in the NPPES registry on June 26, 2009.
Where is Elyas Parsa located?
Elyas Parsa practices at 4053 Lone Tree Way, Antioch, CA 94531. The listed phone number is (925) 756-3499.
What is Elyas Parsa's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Elyas Parsa enrolled in Medicare?
Yes. Elyas Parsa 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 Elyas Parsa's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Elyas Parsa reassigns Medicare benefits to 7 organizations: Cep America - California (Antioch, CA), Sutter Bay Medical Foundation (Orinda, CA), Sutter Valley Medical Foundation (Fairfield, CA), Altamont Emergency Physicians Medical Group Inc (Tracy, CA), County Of San Joaquin (Stockton, CA) and 2 more organizations, listed in the Medicare section above. 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 Elyas Parsa'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 Elyas Parsa was last updated on April 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Elyas Parsa, D.O. · NPI 1902034168
Emergency Medicine physician in Antioch, California. Individual provider, active in the CMS NPPES registry since June 26, 2009.
## Identity
- **NPI:** 1902034168 (Entity type: Individual)
- **Enumerated:** June 26, 2009
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 20A12334 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4053 LONE TREE WAY, Antioch, CA 94531-6210
- **Phone:** (925) 756-3499
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Cep America - California (NPI 1912930421, Antioch, CA); Sutter Bay Medical Foundation (NPI 1366898538, Orinda, CA); Sutter Valley Medical Foundation (NPI 1184859894, Fairfield, CA); Altamont Emergency Physicians Medical Group Inc (NPI 1952392375, Tracy, CA); County Of San Joaquin (NPI 1083955801, Stockton, CA); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** April 14, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1902034168) · Data from the CMS NPPES public registry.