TOM YIH-CHAO LIN MD
NPI 1194928002
Surgery in Riverside, CA
About Tom Yih-chao Lin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TOM YIH-CHAO LIN MD (NPI 1194928002) is an individual surgery provider in Riverside, California, licensed in Washington (MD00047583) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1997).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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
Tom Yih-chao Lin Md 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
3Medicare enrollment records show Tom Lin reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Riverside, CA 92504
- Reassigned Medicare billing, California enrollment
- 20 clinicians in this Medicare group
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 180 clinicians in this Medicare group
Alhambra, CA 91803
- Reassigned Medicare billing, California enrollment
- 13 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92505 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
RIVERSIDE, CA 92505
RIVERSIDE, CA 92505
RIVERSIDE, CA 92505
RIVERSIDE, CA 92505
RIVERSIDE, CA 92505
RIVERSIDE, CA 92505
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 Tom Lin's NPI number?
The NPI number for Tom Lin is 1194928002. It was assigned to this individual provider in the NPPES registry on June 7, 2007.
Where is Tom Lin located?
Tom Lin practices at 3660 Park Sierra Dr Ste 105, Riverside, CA 92505. The listed phone number is (951) 278-8870.
What is Tom Lin's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Tom Lin enrolled in Medicare?
Yes. Tom Lin 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 Tom Lin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tom Lin reassigns Medicare benefits to 3 organizations: Mission Surgical Clinic, Inc. (Riverside, CA), University Surgeons Of Orange A Medical Group (Orange, CA) and House Medicine (Alhambra, 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 Tom Lin'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 Tom Lin was last updated on April 17, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Tom Yih-Chao Lin, MD · NPI 1194928002
Surgery physician in Riverside, California. Individual provider, active in the CMS NPPES registry since June 7, 2007.
## Identity
- **NPI:** 1194928002 (Entity type: Individual)
- **Enumerated:** June 7, 2007
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** MD00047583 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 3660 PARK SIERRA DR, STE 105, Riverside, CA 92505-3071
- **Phone:** (951) 278-8870 · **Fax:** (951) 278-8913
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Mission Surgical Clinic, Inc. (NPI 1457300436, Riverside, CA); University Surgeons Of Orange A Medical Group (NPI 1407806904, Orange, CA); House Medicine (NPI 1578037115, Alhambra, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** April 17, 2017
- **Other identifiers:** Medicare PIN G8866527 (WA); Other 0221364 (WA); Other 8945104 (WA); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1194928002) · Data from the CMS NPPES public registry.