MICHELLE CHI
NPI 1972452423
Nurse Practitioner - Family in San Mateo, CA
About Michelle Chi NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHELLE CHI (NPI 1972452423) is an individual family provider in San Mateo, California, licensed in California (95038103) and active in the NPI registry since January 2026. She is enrolled in Medicare PECOS and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses 2
Group Practice 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
Michelle 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 Reassignment
Medicare enrollment records show Michelle Chi reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Westlake Village, CA 91361
- Reassigned Medicare billing, California enrollment
- 77 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 94401 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN MATEO, CA 94401
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 Michelle Chi's NPI number?
The NPI number for Michelle Chi is 1972452423. It was assigned to this individual provider in the NPPES registry on January 27, 2026.
Where is Michelle Chi located?
Michelle Chi practices at 210 Baldwin Ave, San Mateo, CA 94401. The listed phone number is (650) 579-6581.
What is Michelle Chi's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Michelle Chi enrolled in Medicare?
Yes. Michelle 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 organization bills Medicare for Michelle Chi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Chi reassigns Medicare benefits to Onclick Healthcare Incorporated (Westlake Village, 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 Michelle 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 Michelle Chi was last updated on January 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Michelle Chi · NPI 1972452423
Family physician in San Mateo, California. Individual provider, active in the CMS NPPES registry since January 27, 2026.
## Identity
- **NPI:** 1972452423 (Entity type: Individual)
- **Enumerated:** January 27, 2026
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95038103 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 210 BALDWIN AVE, San Mateo, CA 94401-3915
- **Phone:** (650) 579-6581
## 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:** Onclick Healthcare Incorporated (NPI 1467074963, Westlake Village, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** January 27, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1972452423) · Data from the CMS NPPES public registry.