LISA CHI
NPI 1275483091
Nurse Practitioner - Family in Upland, CA
About Lisa Chi NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LISA CHI (NPI 1275483091) is an individual family provider in Upland, California, licensed in California (95038017) and active in the NPI registry since January 2026. She is enrolled in Medicare PECOS and is a graduate of Other (2025).
NPPES Registry Identity
Specialties & Licenses
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
Lisa Chi 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 Lisa Chi reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Upland, CA 91786
- Reassigned Medicare billing, California enrollment
- 4 clinicians in this Medicare group
Upland, CA 91786
- Reassigned Medicare billing, California enrollment
- 840 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 91786 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 3
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 Lisa Chi's NPI number?
The NPI number for Lisa Chi is 1275483091. It was assigned to this individual provider in the NPPES registry on January 31, 2026.
Where is Lisa Chi located?
Lisa Chi practices at 510 N 13th Ave Ste 101, Upland, CA 91786. The listed phone number is (909) 985-8838.
What is Lisa Chi's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Lisa Chi enrolled in Medicare?
Yes. Lisa Chi 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 Lisa Chi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lisa Chi reassigns Medicare benefits to 2 organizations: William Tsai D O Inc (Upland, CA) and Pih Health Physicians (Upland, 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 Lisa Chi'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 Lisa Chi was last updated on April 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Lisa Chi · NPI 1275483091
Family physician in Upland, California. Individual provider, active in the CMS NPPES registry since January 31, 2026.
## Identity
- **NPI:** 1275483091 (Entity type: Individual)
- **Enumerated:** January 31, 2026
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95038017 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 510 N 13TH AVE STE 101, Upland, CA 91786-4973
- **Phone:** (909) 985-8838
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): William Tsai D O Inc (NPI 1598876856, Upland, CA); Pih Health Physicians (NPI 1437815313, Upland, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2025
## Record status
- **NPPES last updated:** April 4, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1275483091) · Data from the CMS NPPES public registry.