montana
Specialties
Surgeon
Dr. Dennis W. Maier
Dr. Dennis W. Maier
Last updated: Aug 13, 2014

Dr. Dennis W. Maier

  • Gender: Male
  • Experience: 36 years
  • Graduated from: Indiana University School Of Medicine
  • Graduation year: 1985
  • Sole propriator: No
  • NPI: 1497787725

Dr. Dennis W. Maier MD

Surgeon

He is located at 2900 12th Avenue North Suite 320W in Billings, MT 59101. Can help patients with the following: Achalasia, Diverticulosis, Inflammatory Bowel Disease (IBD), Pancreatitis, Pilonidal Cyst, Sebaceous Cyst. His National Provider Identifier (NPI) number is 1497787725. Appointment can be made via the phone number (406) 238-6470. He is affiliated with 1 practices and 1 hospitals.

Conditions treated

Dr. Dennis W. Maier, being an 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. Dennis W. Maier.

  • Achalasia
  • Anal Fissure
  • Appendicitis
  • Boils
  • Cancer
  • 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
  • Ulcerative Colitis

Procedures Performed by Dr. Dennis W. Maier

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Dennis W. Maier as in-network for the following 2026 plans.

Health plans

Blue Cross and Blue Shield of Montana

Network data as of Jun 7, 2026, as reported by the insurer.

Show all 10 plans from Blue Cross and Blue Shield of Montana
Blue Cross and Blue Shield of Montana plans
Plan Plan type Network tier New patients
Blue Preferred Bronze PPO℠ 201 (4 plan variants) PPO · Expanded Bronze Blue Preferred PPO Accepting new patients
Blue Preferred Bronze PPO℠ 202 (4 plan variants) PPO · Expanded Bronze Blue Preferred PPO Accepting new patients
Blue Preferred Bronze PPO℠ Standard (4 plan variants) PPO · Expanded Bronze Blue Preferred PPO Accepting new patients
Blue Preferred Gold PPO℠ 204 (4 plan variants) PPO · Gold Blue Preferred PPO Accepting new patients
Blue Preferred Gold PPO℠ 901 (4 plan variants) PPO · Gold Blue Preferred PPO Accepting new patients
Blue Preferred Gold PPO℠ Standard (4 plan variants) PPO · Gold Blue Preferred PPO Accepting new patients
Blue Preferred Security PPO℠ 200 (4 plan variants) PPO · Catastrophic Blue Preferred PPO Accepting new patients
Blue Preferred Silver PPO℠ 203 (4 plan variants) PPO · Silver Blue Preferred PPO Accepting new patients
Blue Preferred Silver PPO℠ 308 (4 plan variants) PPO · Silver Blue Preferred PPO Accepting new patients
Blue Preferred Silver PPO℠ Standard (4 plan variants) PPO · Silver Blue Preferred PPO Accepting new patients

Mountain Health CO-OP

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 31 plans from Mountain Health CO-OP
Mountain Health CO-OP plans
Plan Plan type Network tier New patients
PEAK PPO BRONZE PPO · Expanded Bronze Preferred Accepting new patients
Peak PPO Bronze HDHP PPO · Expanded Bronze Preferred Accepting new patients
PEAK PPO BRONZE HDHP PPO · Expanded Bronze Preferred Accepting new patients
Peak PPO Bronze Standard PPO · Expanded Bronze Preferred Accepting new patients
Peak PPO Catastrophic PPO · Catastrophic Preferred Accepting new patients
Peak PPO Gold PPO · Gold Preferred Accepting new patients
PEAK PPO GOLD PPO · Gold Preferred Accepting new patients
PEAK PPO GOLD HDHP PPO · Gold Preferred Accepting new patients
Peak PPO Gold Standard PPO · Gold Preferred Accepting new patients
Peak PPO Silver PPO · Silver Preferred Accepting new patients
PEAK PPO SILVER PPO · Silver Preferred Accepting new patients
PEAK PPO SILVER HDHP PPO · Silver Preferred Accepting new patients
Peak PPO Silver Standard PPO · Silver Preferred Accepting new patients
Plus Bronze (2 plan variants) PPO · Expanded Bronze Tier Two Accepting new patients
Plus Bronze HDHP PPO · Expanded Bronze Tier Two Accepting new patients
Plus Bronze Standard PPO · Expanded Bronze Tier Two Accepting new patients
Plus Gold (2 plan variants) PPO · Gold Tier Two Accepting new patients
Plus Gold HDHP PPO · Gold Tier Two Accepting new patients
Plus Gold Standard PPO · Gold Tier Two Accepting new patients
Plus Silver PPO · Silver Tier Two Accepting new patients
Plus Silver HDHP PPO · Silver Tier Two Accepting new patients
Plus Silver Standard PPO · Silver Tier Two Accepting new patients
ROCKY MOUNTAIN GOLD HDHP PPO · Gold Preferred Accepting new patients
ROCKY MOUNTAIN BRONZE PPO · Expanded Bronze Preferred Accepting new patients
ROCKY MOUNTAIN BRONZE HDHP PPO · Expanded Bronze Preferred Accepting new patients
Rocky Mountain Bronze Standard PPO · Expanded Bronze Preferred Accepting new patients
ROCKY MOUNTAIN GOLD PPO · Gold Preferred Accepting new patients
Rocky Mountain Gold Standard PPO · Gold Preferred Accepting new patients
ROCKY MOUNTAIN SILVER PPO · Silver Preferred Accepting new patients
ROCKY MOUNTAIN SILVER HDHP PPO · Silver Preferred Accepting new patients
Rocky Mountain Silver Standard PPO · Silver Preferred Accepting new patients

PacificSource Health Plans

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 8 plans from PacificSource Health Plans
PacificSource Health Plans plans
Plan Plan type Network tier New patients
Core Bronze HSA 10600 EPO · Bronze Tier One Accepting new patients
Core Bronze HSA 8300 EPO · Expanded Bronze Tier One Accepting new patients
Core Gold 1500 EPO · Gold Tier One Accepting new patients
Core Silver 3500 EPO · Silver Tier One Accepting new patients
Core Silver 5000 EPO · Silver Tier One Accepting new patients
Core Standard Expanded Bronze HSA EPO · Expanded Bronze Tier One Accepting new patients
Core Standard Gold EPO · Gold Tier One Accepting new patients
Core Standard Silver EPO · Silver Tier One Accepting new patients

This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Dennis W. Maier is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.

Insurance information looks wrong? Let us know

Medicare Enrollment

Dr. Dennis W. Maier is enrolled to bill Medicare as a Practitioner - General Surgery .

Bills through: Surgical Associates, Pc

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Payments received

Drug payment

Ethicon Us $52
Olympus $30
Genentech $28

Other

Food and Beverage $129

Studies

INDIANA UNIVERSITY SCHOOL OF MEDICINE

Graduated in 1985

Additional Specialities

  • Specialist

Affiliated practices

Surgical Associates
2900 12th Avenue North
Billings, 59101 MT
(406) 238-6470

Affiliated hospitals

ST VINCENT HEALTHCARE
1233 N 30TH ST
BILLINGS, 59101 MT
(406) 657-7000

Looking for more Surgeons?

Out of the 42 surgeons in this region, here are 10 randomly selected ones for you to explore.

Dr. Michael G. Wilcox
  • Gender: Male
  • Address: Suite 355W 2900 12th Avenue North Billings, 59101, MT
Dr. Sarah Jane Counts
  • Gender: Female
  • Address: 485 South Dobson Road Suite 100 Chandler, 85224, AZ
Dr. Paul Grmoljez
  • Gender: Male
  • Address: 801 North 29th Street Billings, 59101, MT
Dr. Timothy Dernbach
  • Gender: Male
  • Address: Suite 400E 2900 12th Avenue North Billings, 59101, MT
Dr. Thomas Joseph Desmarais
  • Gender: Male
  • Address: 1233 North 30th Street Billings, 59101, MT
Alexander Ramsey
  • Gender: Male
  • Address: 801 North 29th St Billings, 59101, MT
Dr. Scott H. Dull
  • Gender: Male
  • Address: 2800 10th Ave N Billings, 59101, MT
Dr. Michelle Ellis
  • Gender: Female
  • Address: 1818 North Meade Street Appleton, 54911, WI
Dr. Robert J. Hancock
  • Gender: Male
  • Address: 2800 10th Ave N Billings, 59101, MT
Dr. Eric R. Dringman
  • Gender: Male
  • Address: Suite 355W 2900 12th Avenue North Billings, 59101, MT

Questions & Answers

Where can you meet with Dr. Dennis W. Maier?

Dr. Dennis W. Maier's office is located at 2900 12th Avenue North Suite 320W in Billings, MT 59101.

Does Dr. Dennis W. Maier accept patients with Blue Cross and Blue Shield of Montana?

Yes, Dr. Dennis W. Maier is listed in-network for Blue Cross and Blue Shield of Montana through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.

What conditions does Dr. Dennis W. Maier treat?

Dr. Dennis W. Maier provides treatment for Achalasia, Diverticulosis, Inflammatory Bowel Disease (IBD), Pancreatitis, Pilonidal Cyst, Sebaceous Cyst. For the full list see this list.

Has Dr. Dennis W. Maier affiliation with hospitals?

Dr. Dennis W. Maier is affiliated with ST VINCENT HEALTHCARE.

Does Dr. Dennis W. Maier have affiliation with practices?

Dr. Dennis W. Maier is affiliated with Surgical Associates.