1. Home
  2. Directory
  3. Montana
  4. Missoula
  5. Family Medicine
  6. NPI Profile

DR. JOSEPH MICHAEL GASSENBERG MD
NPI 1558413252
Family Medicine in Missoula, MT

Active since January 16, 2007PECOS Enrolled
2831 FORT MISSOULA RD, SUITE 146, MISSOULA, MT 59804(406) 327-3880(406) 829-1865 Get Directions Write a Review

NPPES record last updated: April 7, 2011. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Dr. Joseph Michael Gassenberg Md NPPES

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

DR. JOSEPH MICHAEL GASSENBERG MD (NPI 1558413252) is an individual family medicine provider in Missoula, Montana, licensed in Montana (10424) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1558413252
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. JOSEPH MICHAEL GASSENBERGCredential: MD
Location Address2831 FORT MISSOULA RD, SUITE 146Missoula, MT 59804-7419
Mailing Address2831 Fort Missoula Rd, Suite 146Missoula, MT 59804-7419 · (406) 327-3880 · Fax (406) 829-1865
Phone(406) 327-3880
Fax(406) 829-1865
Sole ProprietorNo
Enumeration DateJanuary 16, 2007
Last NPPES UpdateApril 7, 2011
✔ NPI 1558413252 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in MT · 10424
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
2831 FORT MISSOULA RD, Missoula, MT 59804
Open in Google Maps ↗

Other Identifiers 1

Medicaid1558413252MT

Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Joseph Michael Gassenberg Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 59804 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$87.97 typical visit price
range $56.81 – $172.26
Typical copayment $21.99 (range $14.20 – $43.06)
Most-billed visit code 99203
Established Patient
$100.16 typical visit price
range $18.24 – $140.32
Typical copayment $25.04 (range $4.56 – $35.08)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

YOUR MIGRAINE CARE MISSOULA LLC
Psychiatry & Neurology (Psychiatry)
2831 FORT MISSOULA RD, STE 104
MISSOULA, MT 59804
Missoula County (406) 926-1300
WESTERN STATES INFECTIOUS DISEASES PC
Specialist
2831 FORT MISSOULA RD, SUITE 301
MISSOULA, MT 59804
Missoula County (406) 327-4405
JOHN PAUL FERGUSON M.D.
Specialist
2831 FORT MISSOULA RD, SUITE 105
MISSOULA, MT 59804
Missoula County (406) 728-4601
PAUL T THORMAHLEN MSPT, ATC
Physical Therapist
2831 FORT MISSOULA RD, SUITE 200
MISSOULA, MT 59804
Missoula County (406) 543-0617
NORTHERN ROCKIES REHABILITATION & ATHLETIC TRAINING CENTER
Physical Therapist (Orthopedic)
2831 FORT MISSOULA RD, STE 200
MISSOULA, MT 59804
Missoula County (406) 543-0617
DR. STEPHEN GEORGE POWELL M.D.
Orthopaedic Surgery
2831 FORT MISSOULA RD, SUITE 232
MISSOULA, MT 59804
Missoula County (406) 728-6101
COMMUNITY SURGICAL ASSOCIATES, P.C.
Surgery
2831 FORT MISSOULA RD, SUITE 104
MISSOULA, MT 59804
Missoula County (406) 728-0285
VALERIE ANN KNUDSEN MD FACOG PLLC
Obstetrics & Gynecology
2831 FORT MISSOULA RD, SUITE 306
MISSOULA, MT 59804
Missoula County (406) 327-4395

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 Joseph Gassenberg's NPI number?

The NPI number for Joseph Gassenberg is 1558413252. It was assigned to this individual provider in the NPPES registry on January 16, 2007.

Where is Joseph Gassenberg located?

Joseph Gassenberg practices at 2831 Fort Missoula Rd Suite 146, Missoula, MT 59804. The listed phone number is (406) 327-3880.

What is Joseph Gassenberg's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Joseph Gassenberg enrolled in Medicare?

Yes. Joseph Gassenberg is registered in the Medicare PECOS enrollment system.

What insurance does Joseph Gassenberg accept?

Health plans from Blue Cross and Blue Shield of Montana list Joseph Gassenberg 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 Joseph Gassenberg was last updated on April 7, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.