DONALD CHUN LAI CHAN MD
NPI 1235768268
Radiology - Diagnostic Radiology in Redwood City, CA
About Donald Chun Lai Chan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DONALD CHUN LAI CHAN MD (NPI 1235768268) is an individual diagnostic radiology provider in Redwood City, California, licensed in California (A188695) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS.
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 (PECOS)
Donald Chun Lai Chan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Donald Chan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Palo Alto, CA 94304
- Reassigned Medicare billing, California enrollment
- 3,617 clinicians in this Medicare group
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 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 94063 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.
REDWOOD CITY, CA 94063
REDWOOD CITY, CA 94063
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 Donald Chan's NPI number?
The NPI number for Donald Chan is 1235768268. It was assigned to this individual provider in the NPPES registry on April 2, 2020.
Where is Donald Chan located?
Donald Chan practices at 905 Maple St, Redwood City, CA 94063. The listed phone number is (650) 299-3930.
What is Donald Chan's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Donald Chan enrolled in Medicare?
Yes. Donald Chan is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Donald Chan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Donald Chan reassigns Medicare benefits to 2 organizations: Lpch Medical Group Div Of Lucile (Palo Alto, CA) and Stanford Health Care (Stanford, 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 Donald Chan'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 Donald Chan was last updated on July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Donald Chun Lai Chan, MD · NPI 1235768268
Diagnostic Radiology physician in Redwood City, California. Individual provider, active in the CMS NPPES registry since April 2, 2020.
## Identity
- **NPI:** 1235768268 (Entity type: Individual)
- **Enumerated:** April 2, 2020
- **Primary specialty:** Radiology - Diagnostic Radiology · taxonomy 2085R0202X
- **State license:** A188695 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 905 MAPLE ST, Redwood City, CA 94063-2057
- **Phone:** (650) 299-3930
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Lpch Medical Group Div Of Lucile (NPI 1417907940, Palo Alto, CA); Stanford Health Care (NPI 1437292927, Stanford, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 8, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1235768268) · Data from the CMS NPPES public registry.