Dr. James W. Guyer
- Gender: Male
- Experience: 37 years
- Graduated from: University Of California, San Diego School Of Medicine
- Graduation year: 1984
- Sole propriator: No
- NPI: 1962495697
Dr. James W. Guyer M.D.
Family Physician
He is located at 123 South 27th Street in Billings, MT 59101. Can help patients with the following: Headache, Hypothyroidism, Infant Care, Migraine, Prescription Refill, Women's Health. His National Provider Identifier (NPI) number is 1962495697. Appointment can be made via the phone number (406) 247-3350. He is affiliated with 2 practices and 2 hospitals.
Conditions treated
Dr. James Wesley Guyer, being an family 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 Dr. James W. Guyer.
- Abdominal Pain
- Aging In Place
- Anxiety
- Arthritis
- Asthma
- Autism
- Birth Control Counseling
- Breastfeeding and Lactation
- Chronic Obstructive Pulmonary Disease (COPD)
- Common Cold
- Diabetes
- Fever
- General Care
- Headache
- Heart Disease
- High Blood Pressure
- Hyperlipidemia
- Hypothyroidism
- Infant Care
- Influenza
- Migraine
- Mold Exposure
- Nausea and Vomiting
- Obesity
- Osteoarthritis (OA)
- Osteoporosis
- Pregnancy
- Prenatal Care
- Prescription Refill
- Thyroid Disease
- Women's Health
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. James W. Guyer 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 One | Accepting new patients |
| Plus Bronze HDHP | PPO · Expanded Bronze | Tier One | Accepting new patients |
| Plus Bronze Standard | PPO · Expanded Bronze | Tier One | Accepting new patients |
| Plus Gold (2 plan variants) | PPO · Gold | Tier One | Accepting new patients |
| Plus Gold HDHP | PPO · Gold | Tier One | Accepting new patients |
| Plus Gold Standard | PPO · Gold | Tier One | Accepting new patients |
| Plus Silver | PPO · Silver | Tier One | Accepting new patients |
| Plus Silver HDHP | PPO · Silver | Tier One | Accepting new patients |
| Plus Silver Standard | PPO · Silver | Tier One | 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 Dr. James W. Guyer 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
Dr. James W. Guyer is enrolled to bill Medicare as a Practitioner - Family Practice .
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.
Payments received
Drug payment
| Janssen | $80 |
Other
| Food and Beverage | $80 |
Studies
UNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE
Graduated in 1984
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Questions & Answers
Has Dr. James Wesley Guyer affiliation with hospitals?
Dr. James Wesley Guyer is affiliated with BILLINGS CLINIC. For the full list of hospitals see this list.
Where can you meet with Dr. James Wesley Guyer?
Dr. James Wesley Guyer's office is located at 123 South 27th Street in Billings, MT 59101.
Does Dr. James Wesley Guyer have affiliation with practices?
Dr. James Wesley Guyer is affiliated with Billings Clinic Hospital. For the full list of practices see this list.
Does Dr. James Wesley Guyer accept insurance?
Dr. James Wesley Guyer is listed in-network for 58 ACA Marketplace (Obamacare/HealthCare.gov) plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans. See the Marketplace plans section for details.
What conditions does Dr. James Wesley Guyer treat?
Dr. James Wesley Guyer provides treatment for Headache, Hypothyroidism, Infant Care, Migraine, Prescription Refill, Women's Health. For the full list see this list.