Mallory J. Buck, APRN
Gerontology Nurse Practitioner · Missoula, MT
Mallory J. Buck, APRN is a gerontology nurse practitioner with a practice address in Missoula, Montana, and NPI 1881145050, issued on Oct 21, 2016. Check the license (Montana NUR-APRN-LIC-242130, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mallory J. Buck
- Credential
- APRN
- Primary taxonomy
- Gerontology Nurse Practitioner 363LG0600X
- License numbers
- NUR-APRN-LIC-242130 MT
113040 NE
Self-reported in NPPES; status is on the state search - Practice location
- 500 W Broadway St Ste 320, Missoula, MT 59802
- Phone
- (406) 329-5615
- Enumerated
- Oct 21, 2016
- Record last updated
- Oct 30, 2024
- Medicare enrollment
- Enrolled (PECOS I20241010001646); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gerontology nurse practitioner records → All 29 in Montana → Look up another NPI →
Also registered at 500 W Broadway St Ste 320
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mallory J. Buck in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license NUR-APRN-LIC-242130Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
65% fewer Medicare Part D claims than the average gerontology nurse practitioner in 2024
481 Medicare Part D claims for 116 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Clopidogrel112 claims
- Metoprolol Succinate38 claims
- Atorvastatin Calcium37 claims
- Carvedilol36 claims
- Spironolactone30 claims
- Pantoprazole Sodium27 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: $278.58
6 payments; by number, the most common kind was food and beverage; the largest payer was Abiomed. The 3,903 providers of this specialty with any payment received $742.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Providence Health And Services MtMissoula, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mallory J. Buck among 29 gerontology nurse practitioner records in Montana
Mallory J. Buck, APRN is one of 29 gerontology nurse practitioner records with a practice address in Montana. 86% 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 24% of them.
- NPI issued2016 · 24% of these records are older, 69% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2016 · median 2020 among the 23 with a school on file
- Record last updated2024 · 34% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gerontology Nurse Practitioner providers in Montana
There are 29 gerontology nurse practitioner records in Montana.
All 29 in Montana → Every provider in Missoula → Gerontology Nurse Practitioner nationwide →
The 8 gerontology nurse practitioner records with the nearest ZIP codes
- Dana CramerMissoula, MT 598021114796836
- Jasmin DesrosierMissoula, MT 598021558078295
- Marnie Dichiaro, APRNMissoula, MT 598021811497076
- Kristin Harko, NPMissoula, MT 598021457924433
- Penny Bucher, AGNP-ACMissoula, MT 598031407519366
- Christine Walsh, AGNPWarm Springs, MT 597561073259651
- Teresa DutroBozeman, MT 597181326403510
- Lauren HastingsBozeman, MT 597151568082808
Common questions
What is Mallory J. Buck, APRN's NPI number?
Mallory J. Buck, APRN's National Provider Identifier (NPI) is 1881145050, issued on Oct 21, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Mallory J. Buck, APRN located?
The NPPES record lists a practice address at 500 W Broadway St Ste 320, Missoula, MT, 59802. Phone: (406) 329-5615. Providers update this record themselves, so call before visiting.
How can I verify Mallory J. Buck, APRN's license?
NPPES lists Montana license number NUR-APRN-LIC-242130, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.
How much does Mallory J. Buck, APRN prescribe under Medicare Part D?
In 2024, Mallory J. Buck, APRN had 481 Medicare Part D claims for 116 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. 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.