JON KOLSTAD O D, P C
NPI 1639361058
Optometrist in Glasgow, MT
About Jon Kolstad O D, P C NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JON KOLSTAD O D, P C (NPI 1639361058) is a healthcare organization registered as an optometrist in Glasgow, Montana and active in the NPI registry since August 2007. The organization holds a CLIA Waiver certificate valid through November 8, 2027 and lists Jon Christopher Kolstad, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 7
Other Identifiers 8
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Jon Kolstad O D, P C is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by January 31, 2027
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Jon Kolstad O D, P C, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Waiver 27D0908660
Jon C Kolstad O D P C/The Eye Clinic · Glasgow, MTMedical Equipment Supplier Medicare DMEPOS 2
Medicare supplier enrollment and the product categories The Eye Clinic carries, from the Medicare DMEPOS supplier directory.
The Eye Clinic
DMEPOS supplier · Glasgow, MTOperated by Jon Kolstad O D, P CDoes not accept Medicare assignment
The Eye Clinic has not agreed to accept the Medicare-approved amount as full payment for covered equipment and supplies. Medicare patients may be charged more than the Medicare-approved amount; confirm the expected cost with the supplier before ordering.
Medicare Product Categories
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 Jon Kolstad O D, P C's NPI number?
The NPI number for Jon Kolstad O D, P C is 1639361058. It was assigned to this organization in the NPPES registry on August 10, 2007.
Where is Jon Kolstad O D, P C located?
Jon Kolstad O D, P C is located at 630 3rd Ave S, Glasgow, MT 59230. The listed phone number is (406) 228-8641.
What is Jon Kolstad O D, P C's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Jon Kolstad O D, P C enrolled in Medicare?
Yes. Jon Kolstad O D, P C is registered in the Medicare PECOS enrollment system.
When is Jon Kolstad O D, P C's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Montana, Clinic/Group Practice) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Jon Kolstad O D, P C?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Optometry) reassigns their Medicare billing to Jon Kolstad O D, P C. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Jon Kolstad O D, P C accept Medicare assignment for medical equipment?
No. As a Medicare medical equipment supplier, The Eye Clinic does not accept Medicare assignment for equipment and supplies, so patients may be charged more than the Medicare-approved amount. Confirm the expected cost with the supplier before ordering.
Does Jon Kolstad O D, P C hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 27D0908660) is associated with this NPI, valid through November 8, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Jon Kolstad O D, P C accept?
Health plans from Blue Cross and Blue Shield of Montana list Jon Kolstad O D, P C 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 Jon Kolstad O D, P C was last updated on January 3, 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.
# Jon Kolstad O D, P C · NPI 1639361058
Optometrist organization in Glasgow, Montana. Organization record, active in the CMS NPPES registry since August 10, 2007.
## Identity
- **NPI:** 1639361058 (Entity type: Organization)
- **Enumerated:** August 10, 2007
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **Organization subpart:** No
- **Authorized official:** Jon Kolstad, OWNER
## Practice location
- **Address:** 630 3RD AVE S, Glasgow, MT 59230-2407
- **Phone:** (406) 228-8641 · **Fax:** (406) 228-2094
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** January 31, 2027 (Non-DME Part B, Montana, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 1 clinician (Optometry) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 3, 2008
- **Other identifiers:** Medicare PIN 000082588 (MT); Medicare PIN 410028594 (MT); Medicare NSC 1094210002 (MT); and 5 more
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1639361058) · Data from the CMS NPPES public registry.