Doctor profile · Federal record

Dr. Sierra Bignell, PA-C

Physician Assistant · Great Falls, MT

  • NPI 1760104772
  • Accepts Medicare
  • 4 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
609 10Th Ave S
Great Falls, MT 594054078
(406) 430-1040
Mailing address
Po Box 222
Avon, MT 597130222

Credentials & registration

NPPES · NUCC
NPI registered
September 2022 — 4 yrs on file
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
363A00000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1760104772. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
330
Distinct HCPCS
10
Medicare allowed
$28,638
HCPCS Description Services Patients Avg allowed
99204 New patient office or other outpatient visit, 45-59 minutes 88 88 $140
99214 Established patient office or other outpatient visit, 30-39 minutes 74 63 $106
81003 Automated urinalysis test 28 26 $2
87400 Detection test by immunoassay technique for influenza virus 28 14 $14
99203 New patient office or other outpatient visit, 30-44 minutes 26 26 $95
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 23 22 $35
99213 Established patient office or other outpatient visit, 20-29 minutes 21 18 $76
0241U Respiratory infectious agent detection by rna for severe acute respiratory syndrome coronavirus 2 (covid 19), influenza a, influenza b, and respiratory syncytial virus, upper respiratory specimen, each reported as detected or not detected 19 19 $140
87430 Detection test by immunoassay technique for streptococcus, group a (strep) 12 12 $16
71046 X-ray of chest, 2 views 11 11 $29

In context: peer comparison

Among 17 peers in Great Falls Physician Assistant, average services per provider: 123. This provider delivers 2.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
80
Patients
77
Total drug cost
$643
Drug Type Claims Patients Total cost
Cephalexin Generic 28 25 $221
Azithromycin Generic 22 22 $187
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 16 16 $194
Prednisone Generic 14 14 $41

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sierra Bignell's medical specialty?
Dr. Sierra Bignell practices Physician Assistant in Great Falls, MT.
Where does Dr. Sierra Bignell practice?
Dr. Sierra Bignell practices at 609 10Th Ave S, Great Falls, MT 594054078. Office phone: 4064301040.
What is Dr. Sierra Bignell's NPI?
Dr. Sierra Bignell's National Provider Identifier (NPI) is 1760104772, issued by NPPES.
Does Dr. Sierra Bignell accept Medicare assignment?
Yes. Dr. Sierra Bignell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sierra Bignell commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99214); Automated urinalysis test (HCPCS 81003). Source: CMS Medicare Physician & Other Practitioners file.