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

Dr. William Leonard Phillips, MD

Individual provider Family Medicine Physician · NPI 1831190685

Dr. William Leonard Phillips, MD is a Family Practice in Billings, Montana. Graduated from College of Osteo Med of the Pacific at Pomona in 1993, 33 years ago. Practices with Scl Health Medical Group - Billings LLC, a 292-clinician group and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
33
Trained at
College of Osteo Med of the Pacific at Pomona
Licensed in
MT
In the registry since
2005
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

2223 Mission Way
Billings, MT 59102-0160
Phone: (406) 237-8989
Fax: (406) 237-8990
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 12355 (MT)

Record details

NPI number1831190685
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 2, 2005
Last updated in NPPESFebruary 6, 2014

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolCOLLEGE OF OSTEO MED OF THE PACIFIC AT POMONA
Graduated 1993 (33 years in practice)
Group practice Scl Health Medical Group - Billings Llc — 292 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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