THERON HC CHAN M.D.
NPI 1952385833
Family Medicine in Ukiah, CA
About Theron Hc Chan M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THERON HC CHAN M.D. (NPI 1952385833) is an individual family medicine provider in Ukiah, California, licensed in California (G36292) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Theron Hc Chan M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Theron Chan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Ukiah, CA 95482
- Reassigned Medicare billing, California enrollment
- 678 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 95482 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 11
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
UKIAH, CA 95482
UKIAH, CA 95482
UKIAH, CA 95482
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 Theron Chan's NPI number?
The NPI number for Theron Chan is 1952385833. It was assigned to this individual provider in the NPPES registry on December 3, 2005.
Where is Theron Chan located?
Theron Chan practices at 260 Hospital Dr Suite 209, Ukiah, CA 95482. The listed phone number is (707) 463-8000.
What is Theron Chan's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Theron Chan enrolled in Medicare?
Yes. Theron Chan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Theron Chan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Theron Chan reassigns Medicare benefits to Adventist Health Physicians Network (Ukiah, 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 Theron 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 Theron Chan was last updated on June 14, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.