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DR. PETER JOSEPH SIKOSKI DO
NPI 1437143153
General Practice in Bozeman, MT

Active since September 08, 2005Opted out of Medicare · through May 1, 2027CLIA 27D2196527 · Waiver
1104 E MAIN ST, BOZEMAN, MT 59715(406) 587-3788(406) 587-3922 Get Directions Write a Review

NPPES record last updated: May 3, 2017. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Peter Joseph Sikoski Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. PETER JOSEPH SIKOSKI DO (NPI 1437143153) is an individual general practice provider in Bozeman, Montana, licensed in Montana (9947) and active in the NPI registry since September 2005. He has opted out of Medicare through May 1, 2027 and remains eligible to order and refer and holds a CLIA Waiver certificate valid through October 18, 2026.

NPPES Registry Identity

NPI1437143153
Entity TypeIndividualMale
Primary Taxonomy208D00000X
Provider Legal NameDR. PETER JOSEPH SIKOSKICredential: DO
Location Address1104 E MAIN STBozeman, MT 59715-3884
Mailing Address1104 E Main StBozeman, MT 59715-3884 · (406) 587-3788 · Fax (406) 587-3922
Phone(406) 587-3788
Fax(406) 587-3922
Sole ProprietorYes
Enumeration DateSeptember 8, 2005
Last NPPES UpdateMay 3, 2017
✔ NPI 1437143153 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in MT · 9947
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
1104 E MAIN ST, Bozeman, MT 59715
Open in Google Maps ↗

Other Identifiers 1

Medicare UPING92867MT

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

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Opted out of Medicare

Dr. Peter Joseph Sikoski Do has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from May 1, 2015 through May 1, 2027.

Opt-Out Effective DateMay 1, 2015
Opt-Out In Effect ThroughMay 1, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

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 27D2196527

Peter Sikoski, Do, PLLC · Bozeman, MT
Active · expires Oct 18, 2026
CLIA Number27D2196527
Laboratory TypePhysician Office
Certificate Effective DateOctober 19, 2024
Certificate Expiration DateOctober 18, 2026
Laboratory DirectorDr. Peter J. Sikoski
Laboratory Phone(406) 587-3788
Laboratory LocationPeter Sikoski, Do, PLLC1104 E Main St Unit 1, Bozeman, MT 59715
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MATTHEW C. CROOTOF PA-C
Physician Assistant
1104 E MAIN ST
BOZEMAN, MT 59715
Gallatin County (406) 587-3788

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 Peter Sikoski's NPI number?

The NPI number for Peter Sikoski is 1437143153. It was assigned to this individual provider in the NPPES registry on September 8, 2005.

Where is Peter Sikoski located?

Peter Sikoski practices at 1104 E Main St, Bozeman, MT 59715. The listed phone number is (406) 587-3788.

What is Peter Sikoski's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Peter Sikoski enrolled in Medicare?

No. Peter Sikoski has opted out of Medicare through May 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

Does Peter Sikoski hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 27D2196527) is associated with this NPI, valid through October 18, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Peter Sikoski accept?

Health plans from Blue Cross and Blue Shield of Montana and Providence Health Plan list Peter Sikoski 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 Peter Sikoski was last updated on May 3, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.