DR. TOM KUOYUAN LIN MD
NPI 1114136934
Pediatrics - Pediatric Gastroenterology in San Diego, CA
About Dr. Tom Kuoyuan Lin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TOM KUOYUAN LIN MD (NPI 1114136934) is an individual pediatric gastroenterology provider in San Diego, California, licensed in California (C183143) and active in the NPI registry since May 2007. 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)
Dr. Tom Kuoyuan Lin Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Tom Lin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 562 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 92123 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.
SAN DIEGO, CA 92123
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 1114136934. It was assigned to this individual provider in the NPPES registry on May 21, 2007.
Where is Tom Lin located?
Tom Lin practices at 3030 Childrens Way, San Diego, CA 92123. The listed phone number is (858) 966-4003.
What is Tom Lin's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.
Is Tom Lin enrolled in Medicare?
Yes. Tom Lin is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Tom Lin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tom Lin reassigns Medicare benefits to Rady Children's Hospital San Diego (San Diego, 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 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 December 20, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Dr. Tom Kuoyuan Lin, MD · NPI 1114136934
Pediatric Gastroenterology physician in San Diego, California. Individual provider, active in the CMS NPPES registry since May 21, 2007.
## Identity
- **NPI:** 1114136934 (Entity type: Individual)
- **Enumerated:** May 21, 2007
- **Primary specialty:** Pediatrics - Pediatric Gastroenterology · taxonomy 2080P0206X
- **State license:** C183143 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3030 CHILDRENS WAY, San Diego, CA 92123-4232
- **Phone:** (858) 966-4003
## 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:** Rady Children's Hospital San Diego (NPI 1669617197, San Diego, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 20, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1114136934) · Data from the CMS NPPES public registry.