BIG SKY EYE CARE CLINIC
NPI 1346459328
Optometrist in Hamilton, MT
About Big Sky Eye Care Clinic NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BIG SKY EYE CARE CLINIC (NPI 1346459328) is a healthcare organization registered as an optometrist in Hamilton, Montana and active in the NPI registry since May 2007. The organization holds a CLIA Waiver certificate valid through November 11, 2027 and lists Dirk Michael Beyer, Optometrist, 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, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Big Sky Eye Care Clinic is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by February 28, 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
4Medicare enrollment records show 4 clinicians reassign Medicare billing to Big Sky Eye Care Clinic, which bills Medicare for the services they deliver. Of these, 4 practice at this address. They are listed nearest first.
Clinicians, nearest first (4)
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 27D2068820
Big Sky Eye Care · Hamilton, MTMedical Equipment Supplier Medicare DMEPOS
Medicare supplier enrollment and the product categories Big Sky Eye Care carries, from the Medicare DMEPOS supplier directory.
Big Sky Eye Care
DMEPOS supplier · Hamilton, MTOperated by Beyer Big Sky Optical, IncAccepts Medicare assignment
Big Sky Eye Care agrees to accept the Medicare-approved amount as full payment for covered equipment and supplies. Medicare patients are not billed beyond the standard deductible and coinsurance.
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 Beyer Big Sky Optical, Inc's NPI number?
The NPI number for Beyer Big Sky Optical, Inc is 1346459328. It was assigned to this organization in the NPPES registry on May 22, 2007. The provider is doing business as Big Sky Eye Care Clinic.
Where is Beyer Big Sky Optical, Inc located?
Beyer Big Sky Optical, Inc is located at 820 W Main St, Hamilton, MT 59840. The listed phone number is (406) 363-2020.
What is Beyer Big Sky Optical, Inc's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Beyer Big Sky Optical, Inc enrolled in Medicare?
Yes. Beyer Big Sky Optical, Inc is registered in the Medicare PECOS enrollment system.
When is Beyer Big Sky Optical, Inc'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 February 28, 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 Beyer Big Sky Optical, Inc?
According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians, all in Optometry, reassign their Medicare billing to Beyer Big Sky Optical, Inc. 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.
Does Beyer Big Sky Optical, Inc accept Medicare assignment for medical equipment?
Yes. As a Medicare medical equipment supplier, Big Sky Eye Care accepts Medicare assignment: the supplier accepts the Medicare-approved amount as payment in full for covered equipment and supplies.
Does Beyer Big Sky Optical, Inc hold a CLIA laboratory certificate?
Yes. A Certificate of Waiver (number 27D2068820) is associated with this NPI, valid through November 11, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Beyer Big Sky Optical, Inc accept?
Health plans from 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 list Beyer Big Sky Optical, Inc 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 Beyer Big Sky Optical, Inc was last updated on December 4, 2007. 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.
# Big Sky Eye Care Clinic · NPI 1346459328
Optometrist organization in Hamilton, Montana. Organization record, active in the CMS NPPES registry since May 22, 2007.
## Identity
- **NPI:** 1346459328 (Entity type: Organization)
- **Enumerated:** May 22, 2007
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **Legal business name:** Beyer Big Sky Optical, Inc
- **Organization subpart:** No
- **Authorized official:** Dirk Beyer, OPTOMETRIST
## Practice location
- **Address:** 820 W MAIN ST, Hamilton, MT 59840-2330
- **Phone:** (406) 363-2020 · **Fax:** (406) 363-0646
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** February 28, 2027 (Non-DME Part B, Montana, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 4 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:** December 4, 2007
- **Other identifiers:** Medicaid 0481321 (MT); Medicare UPIN U64856 (MT); Medicare NSC 4452900001 (MT); and 1 more
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1346459328) · Data from the CMS NPPES public registry.