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

Hillary Riggin, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1003241472

Hillary Riggin, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Havre, Montana. Qualified in 2013, 13 years ago. Practices with Northern Montana Hospital, a 43-clinician group and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
13
Licensed in
MT
In the registry since
2013
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

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Practice location Address checks out

30 13th St
Havre, MT 59501-5222
Phone: (406) 265-2211
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 101009 (MT)

Record details

NPI number1003241472
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNA
Sole proprietorNo
NPI enumeratedSeptember 4, 2013
Last updated in NPPESOctober 9, 2025
Certification dateOctober 9, 2025
Mailing addressPo Box 1231, Havre, MT 59501-1231

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Northern Montana Hospital — 43 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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