PRIMARY EYECARE ASSOCIATES
NPI 1649242967
Optometrist in Oconomowoc, WI
About Primary Eyecare Associates NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PRIMARY EYECARE ASSOCIATES (NPI 1649242967) is a healthcare organization registered as an optometrist in Oconomowoc, Wisconsin and active in the NPI registry since February 2006. The organization lists Laina Marsh, Office Manager, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 4
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Primary Eyecare Associates is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
5Medicare enrollment records show 5 clinicians reassign Medicare billing to Primary Eyecare Associates, which bills Medicare for the services they deliver. Of these, 4 practice at this address. They are listed nearest first.
Clinicians, nearest first (5)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 K. Marsh, Odsc's NPI number?
The NPI number for Thomas K. Marsh, Odsc is 1649242967. It was assigned to this organization in the NPPES registry on February 2, 2006. The provider is doing business as Primary Eyecare Associates.
Where is Thomas K. Marsh, Odsc located?
Thomas K. Marsh, Odsc is located at 1280 Summit Ave, Oconomowoc, WI 53066. The listed phone number is (262) 567-3214.
What is Thomas K. Marsh, Odsc's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Thomas K. Marsh, Odsc enrolled in Medicare?
Yes. Thomas K. Marsh, Odsc is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Thomas K. Marsh, Odsc?
According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians, all in Optometry, reassign their Medicare billing to Thomas K. Marsh, Odsc. A 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 the clinician's services. Of these, 4 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Thomas K. Marsh, Odsc accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and BlueCross BlueShield of Tennessee and 2 other insurers list Thomas K. Marsh, Odsc 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 K. Marsh, Odsc was last updated on June 27, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Primary Eyecare Associates · NPI 1649242967
Optometrist organization in Oconomowoc, Wisconsin. Organization record, active in the CMS NPPES registry since February 2, 2006.
## Identity
- **NPI:** 1649242967 (Entity type: Organization)
- **Enumerated:** February 2, 2006
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **Legal business name:** Thomas K. Marsh, Odsc
- **Organization subpart:** No
- **Authorized official:** Laina Marsh, OFFICE MANAGER
## Practice location
- **Address:** 1280 SUMMIT AVE, Oconomowoc, WI 53066-4445
- **Phone:** (262) 567-3214 · **Fax:** (262) 567-2449
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 5 clinicians (Optometry) reassign Medicare billing to this organization (form CMS-855R); 4 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 27, 2008
- **Other identifiers:** Medicare ID-Type Unspecified 000147145 (WI); Medicare NSC 0414490001 (WI); Medicare UPIN T62683 (WI); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1649242967) · Data from the CMS NPPES public registry.