4.3
14 Ratings with 4 written Reviews
Summary
Dr. Joseph Gassenberg treats breast cancer, metastatic or recurrent breast cancer, and Paget disease of the breast, and performs brain tumor biopsy and estrogen and progesterone receptor tests. He practices family medicine and is affiliated with Saint Peters Health Regional Medical Center in Helena, Montana.
Dr. Gassenberg earned his medical degree from Creighton University School of Medicine and has 26 years of experience. He sees patients in Helena, Montana.
Dr. Gassenberg earned his medical degree from Creighton University School of Medicine and has 26 years of experience. He sees patients in Helena, Montana.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 26 years of experience
- Creighton University School Of Medicine
- 4 written reviews
- 1 specialty
- 3 areas of expertise
- 1 hospital affiliation
- 2 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. Joseph Michael Gassenberg has 2 locationsPremise Health
405 Saddle DrHelena, MT 59601 Tel: (406) 502-1355
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Joseph Michael Gassenberg, MD | Brooke Conrady, FNP-C | Helix Virtual Care | Dr. Michael Gray, MD |
| Family Medicine | Family Medicine | Family Medicine | Family Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 26 Years of Experience | 31 Years of Experience | ||
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English | Speaks English | ||
| Helena , MT | Missoula , MT | Boca Raton , FL | Annapolis , MD |
| Med School: Creighton University School Of Medicine | Med School: University Of Maryland School Of Medicine | ||
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Joseph Michael Gassenberg
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Joseph Michael Gassenberg has the following specialty
Specialty Expertise
Dr. Joseph Michael Gassenberg has the following 3 areas of expertise
Certifications, License, & Education
26 Years Experience
Dr. Joseph Michael Gassenberg holds an expired medical license in the state of Montana.
Medical License
Medical Doctor with an expired medical license in the state of Montana that expired in 2026.
Education & Training
Medical School
Graduated from Creighton University School Of Medicine in 2000.
NPI Number
Dr. Gassenberg's NPI number is 1558413252.
Similar doctors
Frequently Asked Questions
- Does Dr. Joseph Gassenberg accept virtual/telehealth appointments?
- Dr. Joseph Gassenberg has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Which hospitals is Dr. Joseph Gassenberg affiliated with?
- Dr. Joseph Gassenberg is affiliated with Saint Peters Health Regional Medical Center.
- Does Dr. Joseph Gassenberg accept my insurance?
- You can see the insurance plans that Dr. Joseph Gassenberg accepts on their Vitals profile.
- Is Dr. Joseph Gassenberg accepting new patients?
- Dr. Joseph Gassenberg is accepting new patients on Vitals. View Dr. Joseph Gassenberg's profile on Vitals to make an appointment.
- Where is Dr. Joseph Gassenberg's office located?
- Dr. Joseph Gassenberg's office is located at 405 Saddle Dr, Helena, MT, 59601.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
- Healthcare system and provider network data
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.
