NPPES file of Aug 9, 2026

Ann Celeste Brown, PHARM D

Pharmacist · Hamilton, MT

Ann Celeste Brown, PHARM D is a pharmacist with a practice address in Hamilton, Montana, and NPI 1164886073, issued on Apr 6, 2016. Check the license (Montana 21536, 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
1164886073
Name
Ann Celeste Brown
Credential
PHARM D
Primary taxonomy
Pharmacist 183500000X
License number
21536 MT
Self-reported in NPPES; status is on the state search
Practice location
1235 N 1St St, Hamilton, MT 59840
Phone
(406) 363-4367
Enumerated
Apr 6, 2016
Record last updated
Apr 6, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(184) 739-6329
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 1235 N 1St St

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

  1. Robert Baars, PHARM. D.Pharmacist1003232984

Verify Ann Celeste Brown 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 21536
    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
Find the Montana license search

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Most of these Medicare Part D claims are vaccines, 100% of the cost of the top drugs

53 Medicare Part D claims for 48 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 96% of claims.

  1. Ann Brown53
  2. Specialty average119

Most prescribed

Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.

  1. Shingrix38 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.

Ann Celeste Brown among 1,087 pharmacist records in Montana

Ann Celeste Brown, PHARM D is one of 1,087 pharmacist records with a practice address in Montana. 19% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 54% of them.

  • NPI issued2016 · 54% of these records are older, 41% newer
  • In a Medicare fileYes · 19% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2016 · 71% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

13 pharmacist records list a practice address in Hamilton

They are 13 of the 399 NPPES records with a practice address in Hamilton, and 1,087 pharmacist records in Montana.

The 8 pharmacist records with the nearest ZIP codes

  1. Robert Baars, PHARM. D.Hamilton, MT 598401003232984
  2. Sarah Burkhart, PHARMDHamilton, MT 598401336697424
  3. Edward Coulston, PHARM.D.Hamilton, MT 598401740617216
  4. Bonnie Doyle, PHARMDHamilton, MT 598401639456254
  5. Jennifer Errett, PHARM DHamilton, MT 598401114204765
  6. Carly Hansen, PHARMDHamilton, MT 598401083965909
  7. Kathleen HulsHamilton, MT 598401063966505
  8. Chris KoernerHamilton, MT 598401295102606

Common questions

What is Ann Celeste Brown, PHARM D's NPI number?

Ann Celeste Brown, PHARM D's National Provider Identifier (NPI) is 1164886073, issued on Apr 6, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Ann Celeste Brown, PHARM D located?

The NPPES record lists a practice address at 1235 N 1St St, Hamilton, MT, 59840. Phone: (406) 363-4367. Providers update this record themselves, so call before visiting.

How can I verify Ann Celeste Brown, PHARM D's license?

NPPES lists Montana license number 21536, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.

How much does Ann Celeste Brown, PHARM D prescribe under Medicare Part D?

In 2024, Ann Celeste Brown, PHARM D had 53 Medicare Part D claims for 48 beneficiaries; the average among pharmacist prescribers was 119. 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.