Derek A. Weiss, FNP-C
Family Nurse Practitioner · Townsend, MT
Derek A. Weiss, FNP-C is a family nurse practitioner with a practice address in Townsend, Montana, and NPI 1356917561, issued on May 28, 2021. Check the license (Montana 175753, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Derek A. Weiss
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 175753 MT
Self-reported in NPPES; status is on the state search - Practice location
- 110 N Oak St, Townsend, MT 59644
- Phone
- (406) 266-3186
- Enumerated
- May 28, 2021
- Record last updated
- Jul 16, 2024
- Medicare enrollment
- Enrolled (PECOS I20210827002979); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 110 N Oak St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paul Engstrom, MDFamily Medicine Physician1760060412
- Gregory Sayers, P.A.Medical Physician Assistant1083797906
- Richard Westerberg, RPTPhysical Therapist1184801730
Verify Derek A. Weiss in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license 175753Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average family nurse practitioner in 2024
850 Medicare Part D claims for 170 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 17 claims were for opioids.
Most prescribed
- Amlodipine Besylate49 claims
- Atorvastatin Calcium41 claims
- Lisinopril36 claims
- Omeprazole29 claims
- Metoprolol Succinate28 claims
- Albuterol Sulfate Hfa26 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.
2 hospitals and group practices
- St Peters HealthHelena, MT · Acute Care Hospitals3 of 5 stars
- Townsend Health Systems IncTownsend, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
1 family nurse practitioner records list a practice address in Townsend
They are 1 of the 29 NPPES records with a practice address in Townsend, and 815 family nurse practitioner records in Montana.
Other family nurse practitioner records in Montana
- Ellen Absher, FNP-CBillings, MT1609709997
- Lorraine Ackerman, FNPColumbus, MT1457301830
- Brooke Adams, APRNWhitefish, MT1790258358
- Marybeth Adams, NPBelgrade, MT1093814923
- Kara Addison, DNP-CHelena, MT1295090983
- Maggie Ahmad, CRNPKalispell, MT1396253704
- Betsy Akin, FNPGreat Falls, MT1720525991
- Catherine Akin, NPLivingston, MT1124738166
- Patricia Alderson, FNPHavre, MT1831647619
- Jacquelyn Alexander, FNPWhitefish, MT1427579473
Common questions
What is Derek A. Weiss, FNP-C's NPI number?
Derek A. Weiss, FNP-C's National Provider Identifier (NPI) is 1356917561, issued on May 28, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Derek A. Weiss, FNP-C located?
The NPPES record lists a practice address at 110 N Oak St, Townsend, MT, 59644. Phone: (406) 266-3186. Providers update this record themselves, so call before visiting.
How can I verify Derek A. Weiss, FNP-C's license?
NPPES lists Montana license number 175753, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.
How much does Derek A. Weiss, FNP-C prescribe under Medicare Part D?
In 2024, Derek A. Weiss, FNP-C had 850 Medicare Part D claims for 170 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.