Mary C. Deigert
- Gender: Female
- Experience: 16 years
- Graduation year: 2005
- Sole propriator: No
- NPI: 1306890041
Mary C. Deigert PAC
Emergency Physician
She is located at 123 South 27th Street in Billings, MT 59101. Can help patients with the following: Acute Pain, Broken Bone, Frostbite, Insect Stings, Migraine, Phlebitis and Thrombophlebitis. Her National Provider Identifier (NPI) number is 1306890041. Appointment can be made via the phone number (406) 247-3350. She also has a website where you can get more information. The website can be found at https://www.zocdoc.com/doctor/mary-deigert-pa-pac-288069. She is affiliated with 1 practices and 1 hospitals.
Conditions treated
Mary Caroline Deigert, being an emergency physician, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Mary C. Deigert.
- Acute Pain
- Altitude Sickness
- Angina
- Brain Aneurysm
- Brain Hemorrhage
- Broken Bone
- Bruises
- Choking
- Common Cold
- Coronavirus
- Costochondritis
- Febrile Seizure
- Fever
- Frostbite
- General Care
- Headache
- Hematoma
- Influenza
- Insect Stings
- Laceration
- Migraine
- Nausea and Vomiting
- Phlebitis and Thrombophlebitis
- Prescription Refill
- Whiplash
Procedures Performed by Mary C. Deigert
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Mary C. Deigert 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
| 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 31 plans from Mountain Health CO-OP
| 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
| 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 Mary C. Deigert is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Mary C. Deigert is enrolled to bill Medicare as a Practitioner - Physician Assistant .
Bills through: Yellowstone City-county Health Dept
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.
Studies
Graduated in 2005Other ways to reach out
- Website: https://www.zocdoc.com/doctor/mary-deigert-pa-pac-288069
Looking for more Emergency Physicians?
Out of the 51 emergency physicians in this region, here are 10 randomly selected ones for you to explore.
- Gender: Female
- Address: 123 South 27th Street Billings, 59101, MT
- Gender: Male
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- Gender: Female
- Address: 802 North 28th St Billings, 59101, MT
- Gender: Male
- Address: 2800 10th Avenue North Billings, 59101, MT
- Gender: Male
- Address: 1233 North 30th Street Billings, 59101, MT
- Gender: Male
- Address: 2800 10th Avenue N Billings, 59101, MT
- Gender: Male
- Address: 1233 North 30th Street Billings, 59101, MT
- Gender: Female
- Address: 2800 10th Avenue N Billings, 59101, MT
- Gender: Male
- Address: 802 North 28th St Billings, 59101, MT
- Gender: Male
- Address: 1233 North 30th Street Billings, 59101, MT
Questions & Answers
Does Mary Caroline Deigert have affiliation with practices?
Mary Caroline Deigert is affiliated with SameDay Care Downtown.
Has Mary Caroline Deigert affiliation with hospitals?
Mary Caroline Deigert is affiliated with ST VINCENT HEALTHCARE.
What conditions does Mary Caroline Deigert treat?
Mary Caroline Deigert provides treatment for Acute Pain, Broken Bone, Frostbite, Insect Stings, Migraine, Phlebitis and Thrombophlebitis. For the full list see this list.
Where can you meet with Mary Caroline Deigert?
Mary Caroline Deigert's office is located at 123 South 27th Street in Billings, MT 59101.
Does Mary Caroline Deigert accept patients with Mountain Health CO-OP?
Yes, Mary Caroline Deigert is listed in-network for Mountain Health CO-OP through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.