SHREYA AIYAR MD
NPI 1922685981
Pediatrics in San Marcos, CA
About Shreya Aiyar Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHREYA AIYAR MD (NPI 1922685981) is an individual pediatrics provider in San Marcos, California, licensed in California (A194229) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS and maintains a secondary practice location in Los Angeles.
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 (PECOS)
Shreya Aiyar Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Shreya Aiyar reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Diego, CA 92120
- Reassigned Medicare billing, California enrollment
- 13,921 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 92078 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.
SAN MARCOS, CA 92078
SAN MARCOS, CA 92078
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 Shreya Aiyar's NPI number?
The NPI number for Shreya Aiyar is 1922685981. It was assigned to this individual provider in the NPPES registry on March 25, 2021.
Where is Shreya Aiyar located?
Shreya Aiyar practices at 400 Craven Rd, San Marcos, CA 92078. The listed phone number is (833) 574-2273.
What is Shreya Aiyar's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Shreya Aiyar enrolled in Medicare?
Yes. Shreya Aiyar is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Shreya Aiyar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shreya Aiyar reassigns Medicare benefits to Southern California Permanente Medical Group (San Diego, CA). The 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 Shreya Aiyar'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 Shreya Aiyar was last updated on October 15, 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.
# Shreya Aiyar, MD · NPI 1922685981
Pediatrics physician in San Marcos, California. Individual provider, active in the CMS NPPES registry since March 25, 2021.
## Identity
- **NPI:** 1922685981 (Entity type: Individual)
- **Enumerated:** March 25, 2021
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** A194229 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 400 CRAVEN RD, San Marcos, CA 92078-4201
- **Phone:** (833) 574-2273
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Southern California Permanente Medical Group (NPI 1225060742, San Diego, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 15, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1922685981) · Data from the CMS NPPES public registry.