JOHN S PURDUE OD
NPI 1467456830
Optometrist in Onalaska, WI
About John S Purdue Od NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN S PURDUE OD (NPI 1467456830) is an individual optometrist in Onalaska, Wisconsin, licensed in Wisconsin (1826) and active in the NPI registry since June 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)
John S Purdue Od is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show John Purdue reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Onalaska, WI 54650
- Reassigned Medicare billing, Wisconsin enrollment
- 1,457 clinicians in this Medicare group
La Crosse, WI 54603
- Reassigned Medicare billing, Wisconsin enrollment
- 928 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 8
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 54650 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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ONALASKA, WI 54650
ONALASKA, WI 54650
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 John Purdue's NPI number?
The NPI number for John Purdue is 1467456830. It was assigned to this individual provider in the NPPES registry on June 13, 2005.
Where is John Purdue located?
John Purdue practices at 3111 Gundersen Drive, Onalaska, WI 54650. The listed phone number is (608) 796-8630.
What is John Purdue's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is John Purdue enrolled in Medicare?
Yes. John Purdue is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for John Purdue's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Purdue reassigns Medicare benefits to 2 organizations: Gundersen Lutheran Medical Center, Inc (Onalaska, WI) and Gundersen Clinic Ltd (La Crosse, 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 John Purdue'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 John Purdue was last updated on April 24, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# John S Purdue, OD · NPI 1467456830
Optometrist provider in Onalaska, Wisconsin. Individual provider, active in the CMS NPPES registry since June 13, 2005.
## Identity
- **NPI:** 1467456830 (Entity type: Individual)
- **Enumerated:** June 13, 2005
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 1826 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 3111 GUNDERSEN DRIVE, Onalaska, WI 54650-8512
- **Phone:** (608) 796-8630
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Gundersen Lutheran Medical Center, Inc (NPI 1225372923, Onalaska, WI); Gundersen Clinic Ltd (NPI 1952915639, La Crosse, WI) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 24, 2015
- **Other identifiers:** Medicare UPIN T63041; Medicaid 38517500 (WI); Medicare PIN 0479 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1467456830) · Data from the CMS NPPES public registry.