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

William Fernandez MD PLLC

Organization Internal Medicine Physician · NPI 1215119623

William Fernandez MD PLLC is an Internal Medicine Physician in Helena, Montana. Licensed in Montana. Registered with an NPI since 2007.

Licensed in
MT
In the registry since
2007
What do these letters mean?
PLLC — Professional limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

2400 Gold Rush Ave
Helena, MT 59601-5663
Phone: (406) 465-6957
Fax: (406) 443-3350
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 8680 (MT)

Record details

NPI number1215119623
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Fernandez — Owner · (406) 442-6969
NPI enumeratedNovember 28, 2007
Last updated in NPPESMay 8, 2009
Mailing address2400 Gold Rush Ave, Helena, MT 59601-5663

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