Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John C Sillery, MD

Individual provider Diagnostic Radiology Physician · NPI 1699752709

John C Sillery, MD is a Diagnostic Radiology in Billings, Montana. Qualified in 2004, 22 years ago. Practices with Daniels Memorial Hospital, a 23-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Minnesota and Montana.

Years since qualifying
22
Licensed in
MN, MT
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2800 10th Ave N
Billings, MT 59101-0703
Phone: (406) 238-2500
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 202 Prospect Dr, Glendive, MT 59330-1999 — (406) 345-3306

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 11712 (MT)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 48044 (MN)

Record details

NPI number1699752709
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 29, 2005
Last updated in NPPESJanuary 3, 2022
Certification dateJanuary 3, 2022
Mailing addressPo Box 35100, Billings, MT 59107-5100

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Daniels Memorial Hospital — 23 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations10 on file with Medicare

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