NPPES file of Aug 9, 2026

Christopher Castello, FNP

Nurse Practitioner · Cut Bank, MT

Christopher Castello, FNP is a nurse practitioner with a practice address in Cut Bank, Montana, and NPI 1801362199, issued on Oct 15, 2018. Check the license (Montana 132522, 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
1801362199
Name
Christopher Castello
Credential
FNP
Primary taxonomy
Nurse Practitioner 363L00000X
License numbers
132522 MT
71010342A IN
Self-reported in NPPES; status is on the state search
Practice location
802 2ND St SE, Cut Bank, MT 59427
Phone
(406) 873-2251
Enumerated
Oct 15, 2018
Record last updated
Sep 29, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(406) 873-3118
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 802 2ND St SE

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

  1. Kadie Baney, SWLCClinical Social Worker1396664520
  2. Henry Clay, M.D.Family Medicine Physician1245344563
  3. Mark Hill, FNPFamily Nurse Practitioner1487071908
  4. Lauri Jackson, FNPFamily Nurse Practitioner1710086319
  5. Joseph Karcher, CRNACertified Registered Nurse Anesthetist1164521993
  6. Ashley Kimmet, LCPCProfessional Counselor1386239069

Verify Christopher Castello 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 132522
    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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97% fewer Medicare Part D claims than the average nurse practitioner in 2024

31 Medicare Part D claims for 14 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D.

  1. Christopher Castello31
  2. Specialty average1,109

Most prescribed

  1. Topiramate15 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.

2 nurse practitioner records list a practice address in Cut Bank

They are 2 of the 57 NPPES records with a practice address in Cut Bank, and 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 Christopher Castello, FNP's NPI number?

Christopher Castello, FNP's National Provider Identifier (NPI) is 1801362199, issued on Oct 15, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Castello, FNP located?

The NPPES record lists a practice address at 802 2ND St SE, Cut Bank, MT, 59427. Phone: (406) 873-2251. Providers update this record themselves, so call before visiting.

How can I verify Christopher Castello, FNP's license?

NPPES lists Montana license number 132522, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.

How much does Christopher Castello, FNP prescribe under Medicare Part D?

In 2024, Christopher Castello, FNP had 31 Medicare Part D claims for 14 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.