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

Erin L Williams-Leber, PA

Individual provider Medical Physician Assistant · NPI 1548297880

Erin L Williams-Leber, PA is a Physician Assistant in Butte, Montana. Qualified in 1999, 27 years ago. Practices with Mercury Street Medical Group PLLC, a 6-clinician group and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
27
Licensed in
MT
In the registry since
2006
What do these letters mean?
PA — Physician Assistant
A licensed clinician who examines, diagnoses and treats under a physician's supervision.

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Practice location Address checks out

300 W Mercury St
Butte, MT 59701-1652
Phone: (406) 723-1300
Fax: (406) 723-1335
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Medical Physician Assistant (primary) Taxonomy 363AM0700X · Licence 319 (MT)

Record details

NPI number1548297880
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA
Sole proprietorNo
NPI enumeratedJune 26, 2006
Last updated in NPPESJuly 9, 2007

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 1999 (27 years in practice)
Group practice Mercury Street Medical Group Pllc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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