Catherine M. Harmston, FNP
Family Nurse Practitioner · Malad City, ID
Catherine M. Harmston, FNP is a family nurse practitioner with a practice address in Malad City, Idaho, and NPI 1639283302, issued on Aug 18, 2006. Check the license (Idaho 59987, as entered in NPPES) with the Idaho board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine M. Harmston
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 59987 ID
223876-4405 UT
Self-reported in NPPES; status is on the state search - Practice location
- 220 Bannock St, Malad City, ID 83252
- Phone
- (208) 766-2600
- Enumerated
- Aug 18, 2006
- Record last updated
- Nov 17, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (208) 766-4258
- Medicare enrollment
- Enrolled (PECOS I20230913001274); may accept Medicare assignment
- Entity
- Type 1 · individual
Also registered at 220 Bannock St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shane Anderson, D.O.Internal Medicine Physician1841289659
- Layne Barnes, DOFamily Medicine Physician1265424741
- Karen Beck, NPFamily Nurse Practitioner1669026845
- Mel Bingham, PA-CPhysician Assistant1134257876
- Rick Clark, PAPhysician Assistant1033190533
- Jennifer Felter, NPNurse Practitioner1134417843
Verify Catherine M. Harmston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Idaho board licenses this profession
Search for license 59987Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% fewer Medicare Part D claims than the average family nurse practitioner in 2024
1,124 Medicare Part D claims for 71 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 95 claims were for opioids.
Most prescribed
- Gabapentin75 claims
- Amlodipine Besylate46 claims
- Levothyroxine Sodium43 claims
- Oxycodone-Acetaminophen32 claims
- Oxycodone Hcl31 claims
- Losartan Potassium28 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.
Bills Medicare through one group practice
- Oneida County HospitalMalad City, ID
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
3 family nurse practitioner records list a practice address in Malad City
They are 3 of the 41 NPPES records with a practice address in Malad City, and 1,215 family nurse practitioner records in Idaho.
All 3 in Malad City → All 1,215 in Idaho → Every provider in Malad City →
Other family nurse practitioner records in Idaho
- Angela Abel, NPBoise, ID1669713442
- Lee Ann Abraszewski, NPPocatello, ID1538153770
- Sarah Adair, FNP - BCHayden, ID1962905752
- Joanne Adams, NP-CNampa, ID1962175646
- Karla Adams, NP-CPocatello, ID1851791115
- Rachel Adams, NPIdaho Falls, ID1619162385
- Jessica Adamson, MSN, APRN, FNP-CTwin Falls, ID1174240139
- Amy Ahlin, DNP, FNP-CSandpoint, ID1700669165
- Marci AhlquistTwin Falls, ID1376084673
- Dawn Aiken, NPBoise, ID1295175313
Common questions
What is Catherine M. Harmston, FNP's NPI number?
Catherine M. Harmston, FNP's National Provider Identifier (NPI) is 1639283302, issued on Aug 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Catherine M. Harmston, FNP located?
The NPPES record lists a practice address at 220 Bannock St, Malad City, ID, 83252. Phone: (208) 766-2600. Providers update this record themselves, so call before visiting.
How can I verify Catherine M. Harmston, FNP's license?
NPPES lists Idaho license number 59987, as entered by the provider. Search the Idaho board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine M. Harmston, FNP prescribe under Medicare Part D?
In 2024, Catherine M. Harmston, FNP had 1,124 Medicare Part D claims for 71 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.