Practice address
300 W Mercury St
Butte, MT 59701
This is the address of Mercury Street Medical Group PLLC, Bozeman Health Deaconess Hospital.
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At a glance
- Clinicians registered here
- 9
- Physicians (MD and DO)
- 4
- Specialties
- 3
- Industry payments to them, 2025
- $3,887
Specialties here
Who practices here
9 clinicians
- Dannielle Hall, PA-C Physician Assistants
- David P. Chamberlain, M.D. Internal Medicine
- Erin L. Williams-leber, P A Physician Assistants
- Florian M. Cortese, M.D. Internal Medicine
- Jacqueline Reilly Nutritionist
- Jeanne L. Mehrens, P A C Physician Assistants
- John Pullman, MD Internal Medicine
- Kenneth C. Hunt, M.D. Legal Medicine (non-physician)
- Paul R. Siddoway, M.D. Internal Medicine
Hospitals and medical groups at this address
- Mercury Street Medical Group PLLC 6 of its clinicians here 6
- Bozeman Health Deaconess Hospital 1 of its clinicians here 320
From Medicare Care Compare. Numbers on the right are each organization’s clinicians in total.
Industry payments
Drug and device makers reported $3,887 in general payments to 4 clinicians at this address in 2025.
- John Pullman, MD $2,135
- David P. Chamberlain, M.D. $1,150
- Erin L. Williams-leber, P A $487
- Paul R. Siddoway, M.D. $115
CMS Open Payments (meals, speaking, consulting and similar; not research). A payment is not evidence of wrongdoing.
Industry-funded research
1 clinicians here are named as investigators on industry-funded studies ($500,899 in research payments reported in 2025).
Research payments usually go to the hospital or research site, not to the investigator personally.
Organizations registered here
- Mercury Street Medical Group PLLC Physician Assistants
Sources: CMS NPPES NPI Registry (who is registered at this address, as each clinician reported it), Medicare Care Compare (hospitals and groups), CMS Open Payments 2025. Addresses can be out of date; call before visiting.