Dr. Terrence J. Cahill
- Gender: Male
- Experience: 15 years
- Graduated from: University Of Illinois College Of Med (chi/peor/rock/chm-urb)
- Graduation year: 2006
- Sole propriator: No
- NPI: 1528382603
Dr. Terrence J. Cahill MD
Physical Therapist
He is located at 801 North 29th Street in Billings, MT 59101. Can help patients with the following: Arthritis, Golfer's Elbow, Hip Replacement, Low Back Pain, Rotator Cuff Tear, Sprained Ankle. His National Provider Identifier (NPI) number is 1528382603. Appointment can be made via the phone number (406) 238-2500. He is affiliated with 3 practices and 1 hospitals.
Conditions treated
Dr. Terrence J. Cahill, being an physical therapist, 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. Terrence J. Cahill.
- Arthritis
- Balance Issues
- Car Accident Injuries
- Carpal Tunnel Syndrome
- Cerebral Palsy (CP)
- Developmental Delays
- Fibromyalgia
- Frozen Shoulder
- Golfer's Elbow
- Headache
- Herniated Disc
- Hip Bursitis
- Hip Replacement
- Knee Pain
- Low Back Pain
- Neck Pain
- Osteoarthritis (OA)
- Physical Rehabilitation
- Post Amputation
- Rotator Cuff Tear
- Sacroiliac Joint Pain
- Sciatica
- Scoliosis
- Separated Shoulder
- Shoulder Bursitis
- Sprain
- Sprained Ankle
Procedures Performed by Dr. Terrence J. Cahill
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Terrence J. Cahill 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 22 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 |
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. Terrence J. Cahill 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. Terrence J. Cahill is enrolled to bill Medicare as a Practitioner - Physical Medicine And Rehabilitation .
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
| Biomarin Pharmaceutical | $77 |
| Grifols | $56 |
| Allergan | $25 |
Other
| Food and Beverage | $160 |
Studies
UNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)
Graduated in 2006
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Questions & Answers
Has Dr. Terrence J. Cahill affiliation with hospitals?
Dr. Terrence J. Cahill is affiliated with BILLINGS CLINIC.
Does Dr. Terrence J. Cahill accept patients with Mountain Health CO-OP?
Yes, Dr. Terrence J. Cahill 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. Terrence J. Cahill have affiliation with practices?
Dr. Terrence J. Cahill is affiliated with Billings Clinic Hospital. For the full list of practices see this list.
What conditions does Dr. Terrence J. Cahill treat?
Dr. Terrence J. Cahill provides treatment for Arthritis, Golfer's Elbow, Hip Replacement, Low Back Pain, Rotator Cuff Tear, Sprained Ankle. For the full list see this list.
Where can you meet with Dr. Terrence J. Cahill?
Dr. Terrence J. Cahill's office is located at 801 North 29th Street in Billings, MT 59101.