THOMAS E BOULDEN OD
NPI 1427052182
Optometrist in Tomah, WI
About Thomas E Boulden Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THOMAS E BOULDEN OD (NPI 1427052182) is an individual optometrist in Tomah, Wisconsin, licensed in Wisconsin (2618) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS and is a graduate of Southern College Of Optometry (1995).
NPPES Registry Identity
Specialties & Licenses
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
Thomas E Boulden Od 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
2Medicare enrollment records show Thomas Boulden reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sparta, WI 54656
- Reassigned Medicare billing, Wisconsin enrollment
- Also billed through NPI 1629056049 (Wisconsin)
- 336 clinicians in this Medicare group
Osseo, WI 54758
- Reassigned Medicare billing, Wisconsin enrollment
- 1,248 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 10
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 54660 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
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.
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 Thomas Boulden's NPI number?
The NPI number for Thomas Boulden is 1427052182. It was assigned to this individual provider in the NPPES registry on June 10, 2005.
Where is Thomas Boulden located?
Thomas Boulden practices at 325 Butts Ave, Tomah, WI 54660. The listed phone number is (608) 372-5951.
What is Thomas Boulden's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Thomas Boulden enrolled in Medicare?
Yes. Thomas Boulden 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 Thomas Boulden's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Boulden reassigns Medicare benefits to 2 organizations: Mayo Clinic Health System-Southwest Wisconsin Region, Inc. (Sparta, WI) and Mayo Clinic Health System-Northwest Wisconsin Region, Inc. (Osseo, WI). 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 Thomas Boulden's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Boulden accept?
Health plans from Anthem Blue Cross and Blue Shield and Security Health Plan list Thomas Boulden 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 Thomas Boulden was last updated on September 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Thomas E Boulden, OD · NPI 1427052182
Optometrist provider in Tomah, Wisconsin. Individual provider, active in the CMS NPPES registry since June 10, 2005.
## Identity
- **NPI:** 1427052182 (Entity type: Individual)
- **Enumerated:** June 10, 2005
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 2618 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 325 BUTTS AVE, Tomah, WI 54660-1412
- **Phone:** (608) 372-5951
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Mayo Clinic Health System-Southwest Wisconsin Region, Inc. (NPI 1841278637, Sparta, WI); Mayo Clinic Health System-Northwest Wisconsin Region, Inc. (NPI 1083140990, Osseo, WI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Southern College Of Optometry, class of 1995
## Record status
- **NPPES last updated:** September 16, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1427052182) · Data from the CMS NPPES public registry.