NPPES file of Aug 9, 2026

Cyril J. Schaefer, ARNP

Nurse Practitioner · Anaconda, MT

Cyril J. Schaefer, ARNP is a nurse practitioner with a practice address in Anaconda, Montana, and NPI 1659323103, issued on May 16, 2006. Check the license (Montana RN21373, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1659323103
Name
Cyril J. Schaefer
Credential
ARNP
Primary taxonomy
Nurse Practitioner 363L00000X
License number
RN21373 MT
Self-reported in NPPES; status is on the state search
Practice location
401 W Pennsylvania St, Anaconda, MT 59711
Phone
(406) 563-8686
Enumerated
May 16, 2006
Record last updated
Jan 8, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(406) 563-8691
Medicaid ID
4305199 MT
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 401 W Pennsylvania St

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

  1. Adena Carter, P.TPhysical Therapist1285880930
  2. Meghan Cromwell, P.T.Physical Therapist1922255116
  3. Daryl DoddPhysical Therapist1063669745
  4. David Kidder, DOEmergency Medical Services (Emergency Medicine) Physician1346293149
  5. Anne RabernPhysical Therapist1699922237
  6. Ralph Sievers, MDDiagnostic Radiology Physician1154405579

Verify Cyril J. Schaefer 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 RN21373
    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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5.3 times the Medicare Part D claims of the average nurse practitioner in 2024

5,829 Medicare Part D claims for 314 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 119 claims were for opioids.

  1. Cyril Schaefer5,829
  2. Specialty average1,109

Most prescribed

  1. Losartan Potassium338 claims
  2. Amlodipine Besylate325 claims
  3. Omeprazole323 claims
  4. Atorvastatin Calcium313 claims
  5. Levothyroxine Sodium302 claims
  6. Lisinopril270 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.

Industry payments in 2024: $78.41

4 payments; by number, the most common kind was food and beverage; the largest payer was Lundbeck LLC. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Cyril Schaefer$78.41
  2. Specialty average$791.64

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Nurse Practitioner providers in Montana

There are 287 nurse practitioner records in Montana.

Other nurse practitioner records in Montana

  1. Melissa Abraham, NP-CHelena, MT1902027436
  2. Amanda Abrams-Buerkley, DNPHavre, MT1710471495
  3. Anne Allen, BSN, RN, FNP-SBillings, MT1538944632
  4. Marni Allen, NPKalispell, MT1154353118
  5. Susan Anderson, APRMFort Harrison, MT1235236555
  6. Barbara Antonson, ARNPWolf Point, MT1609861582
  7. Lily AvgustovskiyGreat Falls, MT1093122335
  8. Cassidy AyalaBillings, MT1083354500
  9. Britt Ballinger, NPHelena, MT1265752679
  10. Justin Barnett, FNPKalispell, MT1730842527

Common questions

What is Cyril J. Schaefer, ARNP's NPI number?

Cyril J. Schaefer, ARNP's National Provider Identifier (NPI) is 1659323103, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Cyril J. Schaefer, ARNP located?

The NPPES record lists a practice address at 401 W Pennsylvania St, Anaconda, MT, 59711. Phone: (406) 563-8686. Providers update this record themselves, so call before visiting.

How can I verify Cyril J. Schaefer, ARNP's license?

NPPES lists Montana license number RN21373, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.

How much does Cyril J. Schaefer, ARNP prescribe under Medicare Part D?

In 2024, Cyril J. Schaefer, ARNP had 5,829 Medicare Part D claims for 314 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

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.