Last updated: Apr 2, 2014

Dr. Timothy A. Dernbach

  • Gender: Male
  • Experience: 49 years
  • Graduated from: University Of Washington School Of Medicine
  • Graduation year: 1972
  • Sole propriator: No
  • NPI: 1962440800

Dr. Timothy A. Dernbach MD

Cardiothoracic Surgeon

He is located at 2900 12th Avenue North Suite 400E in Billings, MT 59101. Can help patients with the following: Cancer, Cyst, Enlarged Spleen, Hernia, Pilonidal Cyst, Thoracic Outlet Syndrome (TOS). His National Provider Identifier (NPI) number is 1962440800. Appointment can be made via the phone number (406) 238-6820. He is affiliated with 2 practices and 2 hospitals.

Conditions treated

Dr. Timothy Dernbach, being an cardiothoracic surgeon, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Timothy A. Dernbach.

  • Achalasia
  • Anal Fissure
  • Aortic Dissection
  • Aortic Stenosis
  • Appendicitis
  • Boils
  • Cancer
  • Collapsed Lung
  • Colon Cancer
  • Crohn's Disease
  • Cyst
  • Diverticulosis
  • Enlarged Spleen
  • Esophageal Cancer
  • Gallstones
  • Gangrene
  • Heart Disease
  • Hemorrhoids
  • Hernia
  • Inflammatory Bowel Disease (IBD)
  • Lymphedema
  • Pancreatitis
  • Peptic Ulcer
  • Pilonidal Cyst
  • Sebaceous Cyst
  • Thoracic Outlet Syndrome (TOS)
  • Ulcerative Colitis
  • Ventricular Septal Defect (VSD)

Procedures Performed by Dr. Timothy A. Dernbach

Insurances Accepted by Dr. Timothy A. Dernbach

  1. Medicare
  2. PacificSource Health Plans

Medicare Enrollment

Dr. Timothy A. Dernbach is enrolled to bill Medicare as a Practitioner - Cardiac Surgery .

Bills through: Scl Health Montana

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.

Payments received

Drug payment

TEI Medical $456
Organogenesis $331
Medline Industries $281

Other

Food and Beverage $1370
Travel and Lodging $75

Studies

UNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE

Graduated in 1972

Additional Specialities

  • Surgeon

Affiliated practices

Billings Clinic Hospital
2800 10th Avenue North
Billings, 59101 MT
(406) 657-4000
St. Vincent Healthcare
2900 12th Avenue North
Billings, 59101 MT
(406) 238-6820

Affiliated hospitals

BILLINGS CLINIC
2800 10TH AVE N
BILLINGS, 59101 MT
(406) 657-4000
ST VINCENT HEALTHCARE
1233 N 30TH ST
BILLINGS, 59101 MT
(406) 657-7000

Looking for more Cardiothoracic Surgeons?

There are 8 other cardiothoracic surgeons in this region.

Dr. John R. Gregory
  • Gender: Male
  • Address: 2800 10th Ave N Billings, 59101, MT
Dr. J. Scott Millikan
  • Gender: Male
  • Address: 500 West Thomas Road Suite 500 Phoenix, 85013, AZ
Dr. James John Morris
  • Gender: Male
  • Address: Suite 400E 2900 12th Avenue North Billings, 59101, MT
Dr. Sarah Jane Counts
  • Gender: Female
  • Address: 485 South Dobson Road Suite 100 Chandler, 85224, AZ
Dr. Buup Justin Kim
  • Gender: Male
  • Address: 3250 Gordonville Road Suite 358 Cape Girardeau, 63703, MO
Dr. David William Yandell
  • Gender: Male
  • Address: 6465 South Yale Avenue Suite 910 Tulsa, 74136, OK
Dr. Hewes D. Agnew
  • Gender: Male
  • Address: 1020 North 27th Street Billings, 59101, MT
Dr. Michelle Ellis
  • Gender: Female
  • Address: 1818 North Meade Street Appleton, 54911, WI

Questions & Answers

Does Dr. Timothy Dernbach accept patients with PacificSource Health Plans?

Yes, Dr. Timothy Dernbach accepts patients with PacificSource Health Plans.

What conditions does Dr. Timothy Dernbach treat?

Dr. Timothy Dernbach provides treatment for Cancer, Cyst, Enlarged Spleen, Hernia, Pilonidal Cyst, Thoracic Outlet Syndrome (TOS). For the full list see this list.

Where can you meet with Dr. Timothy Dernbach?

Dr. Timothy Dernbach's office is located at 2900 12th Avenue North Suite 400E in Billings, MT 59101.

Does Dr. Timothy Dernbach have affiliation with practices?

Dr. Timothy Dernbach is affiliated with Billings Clinic Hospital. For the full list of practices see this list.

Has Dr. Timothy Dernbach affiliation with hospitals?

Dr. Timothy Dernbach is affiliated with BILLINGS CLINIC. For the full list of hospitals see this list.