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DR. MICHAEL C ZACHARISEN MD
NPI 1316999824
Allergy & Immunology in Bozeman, MT

Active since May 16, 2006Opted out of Medicare · through Feb 14, 2028
4265 FALLON ST STE 3A, BOZEMAN, MT 59718(406) 451-7017(406) 451-7020 Get Directions Write a Review

NPPES record last updated: September 5, 2012. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Michael C Zacharisen Md NPPES

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

DR. MICHAEL C ZACHARISEN MD (NPI 1316999824) is an individual allergy & immunology provider in Bozeman, Montana, licensed in Montana (12449) and active in the NPI registry since May 2006. He has opted out of Medicare through February 14, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1316999824
Entity TypeIndividualMale
Primary Taxonomy207K00000X
Provider Legal NameDR. MICHAEL C ZACHARISENCredential: MD
Location Address4265 FALLON ST STE 3ABozeman, MT 59718-6797
Mailing Address4265 Fallon St Ste 3aBozeman, MT 59718-6797 · (406) 451-7017 · Fax (406) 451-7020
Phone(406) 451-7017
Fax(406) 451-7020
Sole ProprietorYes
Enumeration DateMay 16, 2006
Last NPPES UpdateSeptember 5, 2012
✔ NPI 1316999824 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in MT · 12449
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
4265 FALLON ST STE 3A, Bozeman, MT 59718
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Michael C Zacharisen Md 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 February 14, 2016 through February 14, 2028.

Opt-Out Effective DateFebruary 14, 2016
Opt-Out In Effect ThroughFebruary 14, 2028Opt-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.

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 Michael Zacharisen's NPI number?

The NPI number for Michael Zacharisen is 1316999824. It was assigned to this individual provider in the NPPES registry on May 16, 2006.

Where is Michael Zacharisen located?

Michael Zacharisen practices at 4265 Fallon St Ste 3A, Bozeman, MT 59718. The listed phone number is (406) 451-7017.

What is Michael Zacharisen's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Michael Zacharisen enrolled in Medicare?

No. Michael Zacharisen has opted out of Medicare through February 14, 2028. 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.

When was this NPI record last updated?

The NPPES record for Michael Zacharisen was last updated on September 5, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.