| Pierson, Mark PA-C | Ortho Montana PSC - Westend | (406) 237-5050 |
| Pierson, Emily MEd, LCPC | Pierson Mental Health Services LLC | (907) 723-0053 |
| Pierson, Emily MEd, LCPC | Wellness Matters LLC | (218) 616-1276 |
| Piotrowski, Robert MD | | |
| Pirrello, Jon MD | Holy Rosary Healthcare | (406) 233-2600 |
| Pirrello, Jon MD | Holy Rosary Healthcare Clinic | (406) 233-2500 |
| Pisk, Gregory DC | Pisk Chiropractic & PhysioTherapy PC | (406) 257-5011 |
| Pisk, Adam DC | Pisk Chiropractic & PhysioTherapy PC | (406) 257-5011 |
| Pittack, Michelle LCPC | Namaste Counseling Inc | (406) 255-0209 |
| Poghosyan (Previously Iknatian), Astghik LCPC | Downtown Clinic - Behavioral Health Associates | (406) 237-3585 |
| Pohle, Taylor PA-C | Intermountain Health Heart & Vascular - Downtown Cardiothoracic & Vascular Surgery | (406) 237-5001 |
| Pokharel, Sajal MD PHD | Diversified Radiology | (303) 914-8800 |
| Pokharel, Sajal MD PHD | SJMG Radiology | (406) 723-2500 |
| Pokorny, Catherine PA-C | Diversified Radiology | (303) 914-8800 |
| Polley, Charles MD | Beartooth Billings Clinic | (406) 446-2345 |
| Polley, Charles MD | Beartooth Billings Clinic - Clinic | (406) 446-2345 |
| Polley, Charles MD | Midway Clinic DBA Three Rivers Health | (307) 568-3311 |
| Polley, Charles MD | South Big Horn Hospital District dba Three Rivers Health | (307) 568-3311 |
| Ponich-Hunthausen, Pamela LCPC | BVHC DBA One Health - Ashland | (406) 784-2346 |
| Ponich-Hunthausen, Pamela LCPC | BVHC DBA One Health - Chinook | (406) 357-2294 |
| Ponich-Hunthausen, Pamela LCPC | BVHC DBA One Health - Dawson | 406-377-9410 |
| Ponich-Hunthausen, Pamela LCPC | BVHC DBA One Health - Glendive | (406) 815-5831 |
| Ponich-Hunthausen, Pamela LCPC | BVHC DBA One Health - Hardin | (406) 665-4103 |
| Ponich-Hunthausen, Pamela LCPC | BVHC DBA One Health - Hardin Campus | (406) 665-4103 |
| Ponich-Hunthausen, Pamela LCPC | BVHC DBA One Health - Hardin School | 406-665-4103 |
