PEI CHI CHAIN
NPI 1730676727
Optometrist in San Diego, CA
About Pei Chi Chain NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PEI CHI CHAIN (NPI 1730676727) is an individual optometrist in San Diego, California, licensed in California (34439TLG) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS and maintains a secondary practice location in Chula Vista.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Pei Chi Chain is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Pei Chi Chain reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92129
- Reassigned Medicare billing, California enrollment
San Diego, CA 92126
- Reassigned Medicare billing, California enrollment
- 6 clinicians in this Medicare group
Chula Vista, CA 91910
- Reassigned Medicare billing, California enrollment
- 11 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 92129 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN DIEGO, CA 92129
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 Pei Chi Chain's NPI number?
The NPI number for Pei Chi Chain is 1730676727. It was assigned to this individual provider in the NPPES registry on April 16, 2018.
Where is Pei Chi Chain located?
Pei Chi Chain practices at 7835 Highland Village Pl Ste D106, San Diego, CA 92129. The listed phone number is (858) 250-0052.
What is Pei Chi Chain's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Pei Chi Chain enrolled in Medicare?
Yes. Pei Chi Chain is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Pei Chi Chain's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Pei Chi Chain reassigns Medicare benefits to 3 organizations: Dr. Pei Chi Chain, Od, Optometric Corporation (San Diego, CA), Allen Chung Od Optometric Corporation (San Diego, CA) and Castillejos Eye Institute Medical Group (Chula Vista, 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 Pei Chi Chain's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Pei Chi Chain accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 2 other insurers list Pei Chi Chain as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Pei Chi Chain was last updated on September 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Pei Chi Chain · NPI 1730676727
Optometrist provider in San Diego, California. Individual provider, active in the CMS NPPES registry since April 16, 2018.
## Identity
- **NPI:** 1730676727 (Entity type: Individual)
- **Enumerated:** April 16, 2018
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 34439TLG (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 7835 HIGHLAND VILLAGE PL STE D106, San Diego, CA 92129-5185
- **Phone:** (858) 250-0052
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Dr. Pei Chi Chain, Od, Optometric Corporation (NPI 1306573381, San Diego, CA); Allen Chung Od Optometric Corporation (NPI 1427695550, San Diego, CA); Castillejos Eye Institute Medical Group (NPI 1841377660, Chula Vista, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 6, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1730676727) · Data from the CMS NPPES public registry.