Mary Stewart, PHARMD
Pharmacist · Billings, MT
Mary Stewart, PHARMD is a pharmacist with a practice address in Billings, Montana, and NPI 1669026175, issued on Aug 1, 2019. Check the license (Montana PHA-PHA-LIC-63045, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Stewart
- Credential
- PHARMD
- Primary taxonomy
- Pharmacist 183500000X
- License number
- PHA-PHA-LIC-63045 MT
Self-reported in NPPES; status is on the state search - Practice location
- 670 Main St, Billings, MT 59105
- Phone
- (406) 245-6979
- Enumerated
- Aug 1, 2019
- Record last updated
- Aug 1, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 1,087 in Montana → Look up another NPI →
Also registered at 670 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brittney Bellew, PHARMDPharmacist1689180234
- Daniel BighashPharmacist1154152122
- Andres Garcia, PHARMDPharmacist1295471837
- Brandee MyersPharmacist1942663273
- Judy MyersPharmacist1316309107
- Spencer Nicholson, PHARM.D, RPHPharmacist1346813482
Verify Mary Stewart in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license PHA-PHA-LIC-63045Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 95% of the cost of the top drugs
120 Medicare Part D claims for 110 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.
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.
- Abrysvo59 claims
- Shingrix31 claims
- Boostrix Tdap24 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.
Mary Stewart among 1,087 pharmacist records in Montana
Mary Stewart, PHARMD 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 2019, is newer than 67% of them.
- NPI issued2019 · 67% of these records are older, 30% newer
- In a Medicare fileYes · 19% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2019 · 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).
167 pharmacist records list a practice address in Billings
They are 167 of the 4,035 NPPES records with a practice address in Billings, and 1,087 pharmacist records in Montana.
All 1,087 in Montana → Every provider in Billings → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- David Bakken, RPH.Billings, MT 591051396869111
- Eileen Colvill, RPHBillings, MT 591051326457995
- Jennifer Dahlman, PHARM DBillings, MT 591051679840250
- Shelbie Haynes, PHARMDBillings, MT 591051932593787
- Kris Jensen, PHARMDBillings, MT 591051295174423
- Casey Lauver, PHARM.D., RPHBillings, MT 591051881059731
- Judy MyersBillings, MT 591051316309107
- Brandee MyersBillings, MT 591051942663273
Common questions
What is Mary Stewart, PHARMD's NPI number?
Mary Stewart, PHARMD's National Provider Identifier (NPI) is 1669026175, issued on Aug 1, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Mary Stewart, PHARMD located?
The NPPES record lists a practice address at 670 Main St, Billings, MT, 59105. Phone: (406) 245-6979. Providers update this record themselves, so call before visiting.
How can I verify Mary Stewart, PHARMD's license?
NPPES lists Montana license number PHA-PHA-LIC-63045, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Stewart, PHARMD prescribe under Medicare Part D?
In 2024, Mary Stewart, PHARMD had 120 Medicare Part D claims for 110 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.