Registry data as of Aug 27, 2026

Tammy Harris, RPH

Pharmacist · Stevensville, MT

Tammy Harris, RPH is a pharmacist with a practice address in Stevensville, Montana, and NPI 1902351182, issued on Aug 17, 2016. Check the license (Montana 4856, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1902351182
Name
Tammy Harris
Credential
RPH
Primary taxonomy
Pharmacist 183500000X
License number
4856 MT
Self-reported in NPPES; status is on the state search
Practice location
301 Main St, Stevensville, MT 59870
Phone
(406) 777-5591
Enumerated
Aug 17, 2016
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 301 Main St

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

  1. Anders JohnsonPharmacist1205474780
  2. Dan Severson, RPHPharmacist1588726392

Verify Tammy Harris 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 4856
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

82% fewer Medicare Part D claims than the average pharmacist in 2024

23 Medicare Part D claims for 21 beneficiaries, against an average of 127 among the 28,933 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.

  1. Tammy Harris23
  2. Specialty average127

Most prescribed

  1. Arexvy12 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.

10 pharmacist records list a Stevensville practice address

They are 10 of the 124 NPPES records with a Stevensville practice address, and 1,106 pharmacist records in Montana.

Other pharmacist records in Montana

  1. Charles Adams, PHARMDDillon, MT1952944811
  2. Kelly Adams, PHARMDDillon, MT1871148783
  3. Abigail AgatepBillings, MT1285505024
  4. Vivienne AkeyWhitefish, MT1659928539
  5. Darin Allard, RPHSt Ignatius, MT1437209509
  6. Lisa Allard, PHARMACIST RPHSt Ignatius, MT1215056692
  7. Leslie Allen, RPHButte, MT1164556791
  8. Margo Allen, RPHBillings, MT1619264215
  9. Rebecca Allen, PHARMDGreat Falls, MT1578622528
  10. Scott Allen, PHARMDKalispell, MT1790439180

Common questions

What is Tammy Harris, RPH's NPI number?

Tammy Harris, RPH's National Provider Identifier (NPI) is 1902351182, issued on Aug 17, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Tammy Harris, RPH located?

The NPPES record lists a practice address at 301 Main St, Stevensville, MT, 59870. Phone: (406) 777-5591. Providers update this record themselves, so call before visiting.

How can I verify Tammy Harris, RPH's license?

NPPES lists Montana license number 4856, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.

How much does Tammy Harris, RPH prescribe under Medicare Part D?

In 2024, Tammy Harris, RPH had 23 Medicare Part D claims for 21 beneficiaries; the average among pharmacist prescribers was 127. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.