MONTANA ALLERGY PRACTICE
NPI 1750557690
Allergy & Immunology in Missoula, MT

Active since April 30, 2008
2801 GREAT NORTHERN LOOP STE 101, MISSOULA, MT 59808(406) 728-6472(406) 728-9175 Get Directions Write a Review

NPPES record last updated: February 4, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Montana Allergy Practice NPPES

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

MONTANA ALLERGY PRACTICE (NPI 1750557690) is a healthcare organization registered as an allergy & immunology in Missoula, Montana and active in the NPI registry since April 2008. The organization maintains a secondary practice location in Missoula and lists Carl Edward Thornblade, Allergist/owner, as its authorized official.

NPPES Registry Identity

NPI1750557690
Entity TypeOrganization
Primary Taxonomy207K00000X
Legal Business NameCARL THORNBLADE, MD, PLLC
Location Address2801 GREAT NORTHERN LOOP STE 101Missoula, MT 59808
Mailing Address2801 Great Northern Loop Ste 101Missoula, MT 59808-1745 · (406) 728-6472 · Fax (406) 728-9175
Fax(406) 728-9175
Organization SubpartNo
Authorized OfficialCarl Edward ThornbladeAllergist/owner · (406) 728-6472
Enumeration DateApril 30, 2008
Last NPPES UpdateFebruary 4, 2019
✔ NPI 1750557690 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 · 11594
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.
2801 GREAT NORTHERN LOOP STE 101, Missoula, MT 59808

Other Names 1

Doing Business AsMontana Allergy Practice

Secondary Practice Location 1

Location 1610 W Spruce StMissoula, MT 59802-4009 · Phone (406) 728-6472 · Fax (406) 728-9175

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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)

Montana Allergy Practice is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Montana Allergy Practice, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Allergy/Immunology
NPI 1073605200
2801 GREAT NORTHERN LOOP SUITE 101
Missoula, MT 59808
(406) 728-6472
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1639417041
900 N ORANGE ST STE 106
Missoula, MT 59802
(406) 327-3100
✔ PECOS✔ Accepts Medicare1.9 mi
Nurse Practitioner
NPI 1457845240
714 W APPLEWAY AVE STE 200
Coeur D Alene, ID 83814
(208) 665-1552
✔ PECOS✔ Accepts Medicare142 mi

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 Carl Thornblade, MD, PLLC's NPI number?

The NPI number for Carl Thornblade, MD, PLLC is 1750557690. It was assigned to this organization in the NPPES registry on April 30, 2008. The provider is doing business as Montana Allergy Practice.

Where is Carl Thornblade, MD, PLLC located?

Carl Thornblade, MD, PLLC is located at 2801 Great Northern Loop Ste 101, Missoula, MT 59808. The listed phone number is (406) 728-6472.

What is Carl Thornblade, MD, PLLC's specialty?

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

Is Carl Thornblade, MD, PLLC enrolled in Medicare?

Yes. Carl Thornblade, MD, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Carl Thornblade, MD, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Carl Thornblade, MD, PLLC, in Allergy/Immunology and Nurse Practitioner. 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, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Carl Thornblade, MD, PLLC accept?

Health plans from Blue Cross and Blue Shield of Montana list Carl Thornblade, MD, PLLC 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 Carl Thornblade, MD, PLLC was last updated on February 4, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.