Doctor profile · Federal record

Dr. Hillary Riggin, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Havre, MT

  • NPI 1003241472
  • Accepts Medicare
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
30 13Th St
Havre, MT 595015222
(406) 265-2211
Mailing address
Po Box 1231
Havre, MT 595011231

Credentials & registration

NPPES · NUCC
NPI registered
September 2013 — 13 yrs on file
Profile last updated
October 9, 2025
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Montana #101009

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003241472. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
132
Distinct HCPCS
6
Medicare allowed
$15,417
HCPCS Description Services Patients Avg allowed
00142 Anesthesia for lens surgery 49 48 $122
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 26 25 $62
00812 Anesthesia for exam of colon using an endoscope 17 17 $100
64450 Injection of anesthetic agent and/or steroid into other nerve or branch 15 13 $22
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 14 13 $140
01402 Anesthesia for procedure for total knee joint replacement 11 11 $348

In context: peer comparison

Among 2 peers in this city , average services per provider: 29. This provider delivers 4.6× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Hillary Riggin's medical specialty?
Dr. Hillary Riggin practices Certified Registered Nurse Anesthetist in Havre, MT.
Where does Dr. Hillary Riggin practice?
Dr. Hillary Riggin practices at 30 13Th St, Havre, MT 595015222. Office phone: 4062652211.
What is Dr. Hillary Riggin's NPI?
Dr. Hillary Riggin's National Provider Identifier (NPI) is 1003241472, issued by NPPES.
Does Dr. Hillary Riggin accept Medicare assignment?
Yes. Dr. Hillary Riggin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hillary Riggin commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (HCPCS 64447); Anesthesia for exam of colon using an endoscope (HCPCS 00812). Source: CMS Medicare Physician & Other Practitioners file.