NPPES file of Aug 9, 2026

Stacy C. Hermiller, PAC

Medical Physician Assistant · Great Falls, MT

Stacy C. Hermiller, PAC is a medical physician assistant with a practice address in Great Falls, Montana, and NPI 1912915687, issued on Aug 4, 2006. Check the license (Montana 311, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1912915687
Name
Stacy C. Hermiller
Credential
PAC
Primary taxonomy
Medical Physician Assistant 363AM0700X
License number
311 MT
Self-reported in NPPES; status is on the state search
Practice location
1401 25TH St S, Great Falls, MT 59405
Phone
(406) 731-8888
Enumerated
Aug 4, 2006
Record last updated
Apr 8, 2024
Fax
(406) 731-8318
Medicaid ID
1912915687 MT
Medicare enrollment
Enrolled (PECOS I20050725001237); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1401 25TH St S

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Thomas Addison, MDGeriatric Medicine (Internal Medicine) Physician1871594754
  2. Sheela Ahmed, MDPulmonary Disease Physician1083736227
  3. Jill Aitken, AUDAudiologist1730386020
  4. Jamie Aleba, PAMedical Physician Assistant1184929572
  5. Thomas Attaway, MDGastroenterology Physician1922012442
  6. Lily AvgustovskiyNurse Practitioner1093122335

Verify Stacy C. Hermiller in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Montana board licenses this profession
    Search for license 311
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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83% fewer Medicare Part D claims than the average medical physician assistant in 2024

198 Medicare Part D claims for 135 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 36 claims were for opioids.

  1. Stacy Hermiller198
  2. Specialty average1,148

Most prescribed

  1. Meloxicam64 claims
  2. Prednisone34 claims
  3. Tramadol Hcl22 claims
  4. Celecoxib20 claims
  5. Hydrocodone-Acetaminophen13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 80.5 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score93.1
  2. Costout of 100 · 30%62.6
  3. Promoting interoperabilityout of 100 · 25%75.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

One hospital affiliation

  1. Benefis Hospitals IncGreat Falls, MT · Acute Care Hospitals2 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Stacy C. Hermiller among 269 medical physician assistant records in Montana

Stacy C. Hermiller, PAC is one of 269 medical physician assistant records with a practice address in Montana. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 63% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2002 · median 2011 among the 193 with a school on file
  • Record last updated2024 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

22 medical physician assistant records list a practice address in Great Falls

They are 22 of the 1,798 NPPES records with a practice address in Great Falls, and 269 medical physician assistant records in Montana.

The 8 medical physician assistant records with the nearest ZIP codes

  1. Jamie Aleba, PAGreat Falls, MT 594051184929572
  2. Jamie Barnes, PA-CGreat Falls, MT 594051366431678
  3. Jimmie Barnwell, PA-CGreat Falls, MT 594051326204363
  4. Karen Barton, PA-CGreat Falls, MT 594051578700902
  5. Kelsey Bock, PA-CGreat Falls, MT 594051689977175
  6. David Brost, PACGreat Falls, MT 594051699757682
  7. Abbigale Carmichael, PA-CGreat Falls, MT 594051699498469
  8. Emily Comstock, PACGreat Falls, MT 594051578514758

Common questions

What is Stacy C. Hermiller, PAC's NPI number?

Stacy C. Hermiller, PAC's National Provider Identifier (NPI) is 1912915687, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stacy C. Hermiller, PAC located?

The NPPES record lists a practice address at 1401 25TH St S, Great Falls, MT, 59405. Phone: (406) 731-8888. Providers update this record themselves, so call before visiting.

How can I verify Stacy C. Hermiller, PAC's license?

NPPES lists Montana license number 311, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.

How much does Stacy C. Hermiller, PAC prescribe under Medicare Part D?

In 2024, Stacy C. Hermiller, PAC had 198 Medicare Part D claims for 135 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.

What is Stacy C. Hermiller, PAC's MIPS final score?

The 2023 MIPS final score is 80.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.