Dr. Shaun J. Gillis
Last updated: Apr 10, 2025

Dr. Shaun J. Gillis

  • Gender: Female
  • Experience: 22 years
  • Graduated from: University Of Washington School Of Medicine
  • Graduation year: 1999
  • Sole propriator: No
  • NPI: 1265465207

Dr. Shaun J. Gillis M.D.

Obstetrician and Gynecologist

She is located at 905 Highland Boulevard Suite 4500 in Bozeman, MT 59715. Can help patients with the following: Braxton Hicks Contractions, Breastfeeding and Lactation, Sexually Transmitted Diseases (STDs), VBAC, Vaginal Atrophy and Dryness, Vaginal Cancer. Her National Provider Identifier (NPI) number is 1265465207. Appointment can be made via the phone number (406) 414-5150. She is affiliated with 1 practices and 1 hospitals.

Conditions treated

Dr. Shaun J. Gillis, being an obstetrician and gynecologist, 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. Shaun J. Gillis.

  • Amenorrhea
  • Bacterial Vaginosis
  • Birth Control Counseling
  • Blood in Urine
  • Braxton Hicks Contractions
  • Breast Cancer
  • Breastfeeding
  • Breastfeeding and Lactation
  • Cancer
  • Cervical Cancer
  • Cervical Intraepithelial Neoplasia (CIN)
  • Chlamydia
  • Ectopic Pregnancy
  • Endometriosis
  • Fibrocystic Breast Disease
  • Gestational Diabetes
  • Group B Streptococcal Infection (GBS)
  • Gynecological Exam
  • High Blood Pressure
  • Hot Flashes
  • Human Papillomavirus (HPV)
  • Infertility
  • Labor and Birth
  • Menopause
  • Menstrual Cramps
  • Miscarriage
  • Morning Sickness
  • Osteoporosis
  • Ovarian Cancer
  • Ovarian Cysts
  • Overactive Bladder (OAB)
  • Pelvic Inflammatory Disease (PID)
  • Pelvic Pain
  • Perimenopause
  • Placenta Previa
  • Polycystic Ovary Syndrome (PCOS)
  • Preeclampsia and Eclampsia
  • Pregnancy
  • Premature Ovarian Failure (POF)
  • Premenstrual Dysphoric Disorder (PMDD)
  • Premenstrual Syndrome (PMS)
  • Prenatal Care
  • Sexually Transmitted Diseases (STDs)
  • Trichomoniasis
  • Urinary Incontinence (UI)
  • Urinary Retention
  • Urinary Tract Infection (UTI)
  • Uterine Cancer
  • Uterine Fibroids
  • Uterine Growths
  • VBAC
  • Vaginal Atrophy and Dryness
  • Vaginal Bleeding
  • Vaginal Cancer
  • Vaginal Pain
  • Vaginitis
  • Women's Health
  • Yeast Infection

Procedures Performed by Dr. Shaun J. Gillis

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Shaun J. Gillis 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 19 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 Focus Bronze POS℠ 205 (3 plan variants) POS · Expanded Bronze Blue Focus POS Accepting new patients
Blue Focus Bronze POS℠ 705 (3 plan variants) POS · Bronze Blue Focus POS Accepting new patients
Blue Focus Bronze POS℠ Standard (3 plan variants) POS · Expanded Bronze Blue Focus POS Accepting new patients
Blue Focus Gold POS℠ 207 (3 plan variants) POS · Gold Blue Focus POS Accepting new patients
Blue Focus Gold POS℠ 902 (3 plan variants) POS · Gold Blue Focus POS Accepting new patients
Blue Focus Gold POS℠ Standard (3 plan variants) POS · Gold Blue Focus POS Accepting new patients
Blue Focus Silver POS℠ 206 (3 plan variants) POS · Silver Blue Focus POS Accepting new patients
Blue Focus Silver POS℠ 903 (3 plan variants) POS · Silver Blue Focus POS Accepting new patients
Blue Focus Silver POS℠ Standard (3 plan variants) POS · Silver Blue Focus POS Accepting 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 22 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

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. Shaun J. Gillis 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. Shaun J. Gillis is enrolled to bill Medicare as a Practitioner - Obstetrics/gynecology .

Bills through: Billings Clinic

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

Merck $186
Amgen $105
Allergan $83

Other

Food and Beverage $695

Studies

UNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE

Graduated in 1999

Affiliated practices

Medical Associates
935 Highland Boulevard
Bozeman, 59715 MT
(406) 587-5123

Affiliated hospitals

BOZEMAN HEALTH DEACONESS HOSPITAL
915 HIGHLAND BLVD
BOZEMAN, 59715 MT
(406) 585-5000

Looking for more Obstetrician and Gynecologists?

Out of the 20 obstetrician and gynecologists in this region, here are 10 randomly selected ones for you to explore.

Dr. Marilee Michelle Simons
  • Gender: Female
  • Address: Suite 4440 905 Highland Boulevard Bozeman, 59715, MT
Dr. Patrick M. Holland
  • Gender: Male
  • Address: Suite 1210 925 Highland Boulevard Bozeman, 59715, MT
Dr. Sina Haeri
  • Gender: Male
  • Address: 9300 Valley Childrens Place # Sc05 Madera, 93636, CA
Dr. Shelby Lea Haugan
  • Gender: Female
  • Address: 520 South Eagle Road Meridian, 83642, ID
Dr. Shauna Werth Kronfuss
  • Gender: Female
  • Address: Suite 4440 905 Highland Boulevard Bozeman, 59715, MT
Dr. William J. Peters
  • Gender: Male
  • Address: 925 Highland Blvd Bozeman, 59715, MT
Dr. Silddy Atilano
  • Gender: Female
  • Address: Suite 1210 925 Highland Boulevard Bozeman, 59715, MT
Cassie Belzer
  • Gender: Female
  • Address: 700 Central Avenue Suite 400 St Petersburg, 33701, FL
Dr. Amy Elizabeth Korten
  • Gender: Female
  • Address: Suite 1210/1220 925 Highland Blvd Bozeman, 59715, MT

Questions & Answers

What conditions does Dr. Shaun J. Gillis treat?

Dr. Shaun J. Gillis provides treatment for Braxton Hicks Contractions, Breastfeeding and Lactation, Sexually Transmitted Diseases (STDs), VBAC, Vaginal Atrophy and Dryness, Vaginal Cancer. For the full list see this list.

Has Dr. Shaun J. Gillis affiliation with hospitals?

Dr. Shaun J. Gillis is affiliated with BOZEMAN HEALTH DEACONESS HOSPITAL.

Does Dr. Shaun J. Gillis accept patients with Mountain Health CO-OP?

Yes, Dr. Shaun J. Gillis is listed in-network for Mountain Health CO-OP through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.

Does Dr. Shaun J. Gillis have affiliation with practices?

Dr. Shaun J. Gillis is affiliated with Medical Associates.

Where can you meet with Dr. Shaun J. Gillis?

Dr. Shaun J. Gillis's office is located at 905 Highland Boulevard Suite 4500 in Bozeman, MT 59715.