Mark Steven Walters, RPH
Pharmacist · Kalispell, MT
Mark Steven Walters, RPH is a pharmacist with a practice address in Kalispell, Montana, and NPI 1003240748, issued on Aug 29, 2013. Check the license (Montana 3445, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Steven Walters
- Credential
- RPH
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 3445 MT
Self-reported in NPPES; status is on the state search - Practice location
- 1370 US Highway 2 E, Kalispell, MT 59901
- Phone
- (406) 257-1274
- Enumerated
- Aug 29, 2013
- Record last updated
- Aug 29, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (406) 257-1268
- Entity
- Type 1 · individual
8 nearest pharmacist records → All 1,087 in Montana → Look up another NPI →
Also registered at 1370 US Highway 2 E
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cheryl Gervasi, RPHPharmacist1558719096
Verify Mark Steven Walters in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license 3445Check 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, 100% of the cost of the top drugs
123 Medicare Part D claims for 107 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.
- Abrysvo65 claims
- Shingrix52 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.
Mark Steven Walters among 1,087 pharmacist records in Montana
Mark Steven Walters, RPH 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 2013, is newer than 35% of them.
- NPI issued2013 · 35% of these records are older, 57% newer
- In a Medicare fileYes · 19% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2013 · 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).
60 pharmacist records list a practice address in Kalispell
They are 60 of the 1,650 NPPES records with a practice address in Kalispell, and 1,087 pharmacist records in Montana.
All 1,087 in Montana → Every provider in Kalispell → Pharmacist nationwide →
The 8 pharmacist records with the nearest ZIP codes
- Linda Boyer, RPHKalispell, MT 599011528188125
- Theresa Brewer, RPHKalispell, MT 599011225249816
- Harley Brotherton, PHARMD.Kalispell, MT 599011134115678
- Anthony CatalfomoKalispell, MT 599011720272404
- Suzanne Catalfomo, RPHKalispell, MT 599011831355858
- Hugh Easley, PHARMDKalispell, MT 599011669667960
- Stephen Mathison, REGPHKalispell, MT 599011245433119
- Laurie MorrisonKalispell, MT 599011700910171
Common questions
What is Mark Steven Walters, RPH's NPI number?
Mark Steven Walters, RPH's National Provider Identifier (NPI) is 1003240748, issued on Aug 29, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Mark Steven Walters, RPH located?
The NPPES record lists a practice address at 1370 US Highway 2 E, Kalispell, MT, 59901. Phone: (406) 257-1274. Providers update this record themselves, so call before visiting.
How can I verify Mark Steven Walters, RPH's license?
NPPES lists Montana license number 3445, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Steven Walters, RPH prescribe under Medicare Part D?
In 2024, Mark Steven Walters, RPH had 123 Medicare Part D claims for 107 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.