SETH THOMAS DO
NPI 1104329952
Urology in Orange, CA
About Seth Thomas Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SETH THOMAS DO (NPI 1104329952) is an individual urology provider in Orange, California, licensed in California (20A23848) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
Accepted Insurance
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
Seth Thomas Do 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
5Medicare enrollment records show Seth Thomas reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 85 clinicians in this Medicare group
Greenville, MI 48838
- Reassigned Medicare billing, Michigan enrollment
- 215 clinicians in this Medicare group
Ionia, MI 48846
- Reassigned Medicare billing, Michigan enrollment
- 317 clinicians in this Medicare group
Lansing, MI 48912
- Reassigned Medicare billing, Michigan enrollment
- 7 clinicians in this Medicare group
Saint Johns, MI 48879
- Reassigned Medicare billing, Michigan enrollment
- 114 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 92868 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.
ORANGE, CA 92868
ORANGE, CA 92868
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 Seth Thomas's NPI number?
The NPI number for Seth Thomas is 1104329952. It was assigned to this individual provider in the NPPES registry on March 16, 2018.
Where is Seth Thomas located?
Seth Thomas practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 456-7890.
What is Seth Thomas's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is Seth Thomas enrolled in Medicare?
Yes. Seth Thomas 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 Seth Thomas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Seth Thomas reassigns Medicare benefits to 5 organizations: Uci Department Of Urology (Orange, CA), Sparrow Carson Hospital (Greenville, MI), Sparrow Ionia Hospital (Ionia, MI), Edward W Sparrow Hospital Association (Lansing, MI) and Sparrow Clinton Hospital (Saint Johns, MI). 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 Seth Thomas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Seth Thomas accept?
Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Seth Thomas as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Seth Thomas was last updated on June 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Seth Thomas, DO · NPI 1104329952
Urology physician in Orange, California. Individual provider, active in the CMS NPPES registry since March 16, 2018.
## Identity
- **NPI:** 1104329952 (Entity type: Individual)
- **Enumerated:** March 16, 2018
- **Primary specialty:** Urology · taxonomy 208800000X
- **State license:** 20A23848 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 101 THE CITY DR S, Orange, CA 92868-3201
- **Phone:** (714) 456-7890
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Uci Department Of Urology (NPI 1255398533, Orange, CA); Sparrow Carson Hospital (NPI 1689644403, Greenville, MI); Sparrow Ionia Hospital (NPI 1487348769, Ionia, MI); Edward W Sparrow Hospital Association (NPI 1124502851, Lansing, MI); Sparrow Clinton Hospital (NPI 1306893078, Saint Johns, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** June 13, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1104329952) · Data from the CMS NPPES public registry.