4
1 Rating
Summary
Dr. John Zimmermann is an oncologist with additional expertise in allergy and immunology. He earned his medical degree from Ross University School of Medicine and completed his residency at Nassau University Medical Center. With 26 years of clinical experience, Dr. Zimmermann brings extensive knowledge to his dual specialties.
Dr. Zimmermann practices at multiple locations in Wyoming, including Rocky Mountain Oncology Center in both Lander and Casper. His hospital affiliations include Sagewest Health Care Lander, Wyoming Medical Center, Saint Peters Health Regional Medical Center, and Peacehealth Saint Joseph Medical Center. He treats conditions such as back pain during pregnancy and flank pain. Dr. Zimmermann performs comprehensive metabolic panels and creatinine clearance tests. Patients have given him an average rating of 4.0.
Dr. Zimmermann practices at multiple locations in Wyoming, including Rocky Mountain Oncology Center in both Lander and Casper. His hospital affiliations include Sagewest Health Care Lander, Wyoming Medical Center, Saint Peters Health Regional Medical Center, and Peacehealth Saint Joseph Medical Center. He treats conditions such as back pain during pregnancy and flank pain. Dr. Zimmermann performs comprehensive metabolic panels and creatinine clearance tests. Patients have given him an average rating of 4.0.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 26 years of experience
- Nassau University Medical Center
- 2 specialties
- 4 areas of expertise
- 4 hospital affiliations
- 4 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. John Thomas Zimmermann has 4 locationsRocky Mountain Oncology Center Llc
15 Shrine Club Rd Ste ALander, WY 82520 Tel: (307) 332-0324
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 - 4:00 pm
SatClosed
SunClosed
Rocky Mountain Oncology Center Llc
6501 E 2nd StCasper, WY 82609Mon8:00 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. John Thomas Zimmermann, MD | Dr. Elie Ibrahim Fahed, MD | Dr. Walter D Merritt, MD | Dr. Joseph David Rosen, MD |
| Oncology | Oncology | Otolaryngology-Head & Neck Surgery | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 26 Years of Experience | 21 Years of Experience | 37 Years of Experience | |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English, Spanish | Speaks English | Speaks English, Spanish | |
| Lander , WY | Casper , WY | Lander , WY | Lander , WY |
| Med School: Ross University School Of Medicine | Med School: Universite Saint-Joseph Faculte De Medecine | Med School: University Of Chicago Division Of The Biological Sciences The Pritzker School Of Medicine | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. John Thomas Zimmermann
Medical Specialties
Dr. John Thomas Zimmermann has the following 2 specialties
Specialty Expertise
Dr. John Thomas Zimmermann has the following 4 areas of expertise
Certifications, License, & Education
26 Years Experience
Dr. John Thomas Zimmermann holds an expired medical license in the state of Wyoming.
Medical License
Medical Doctor with an expired medical license in the state of Wyoming that expired in 2026.
Education & Training
Residency
Completed their residency at Nassau University Medical Center.
Medical School
Graduated from Ross University School Of Medicine in 2000.
NPI Number
Dr. Zimmermann's NPI number is 1740221225.
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Frequently Asked Questions
- Which hospitals is Dr. John Zimmermann affiliated with?
- Dr. John Zimmermann is affiliated with Sagewest Health Care Lander, Wyoming Medical Center, Saint Peters Health Regional Medical Center, and Peacehealth Saint Joseph Medical Center.
- Is Dr. John Zimmermann accepting new patients?
- Dr. John Zimmermann is accepting new patients on Vitals. View Dr. John Zimmermann's profile on Vitals to make an appointment.
- How can I make an appointment with Dr. John Zimmermann?
- You can find contact information for Dr. John Zimmermann here on Vitals.
- Does Dr. John Zimmermann accept my insurance?
- You can see the insurance plans that Dr. John Zimmermann accepts on their Vitals profile.
- Does Dr. John Zimmermann accept virtual/telehealth appointments?
- Dr. John Zimmermann has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
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