Wendy K. Wiltzen, FNPC
Family Nurse Practitioner · Sidney, MT
Wendy K. Wiltzen, FNPC is a family nurse practitioner with a practice address in Sidney, Montana, and NPI 1609949767, issued on Nov 16, 2006. Check the license (Montana RN14607, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Wendy K. Wiltzen
- Credential
- FNPC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- RN14607 MT
Self-reported in NPPES; status is on the state search - Practice location
- 214 14TH Ave SW, Sidney, MT 59270
- Phone
- (406) 488-2501
- Enumerated
- Nov 16, 2006
- Record last updated
- Dec 8, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (406) 488-2149
- Medicaid IDs
- 0436917 MT
15860 ND - Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 815 in Montana → Look up another NPI →
Also registered at 214 14TH Ave SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashley Anderson, AUDAudiologist1679734537
- Brett Bennion, MDOtolaryngology Physician1275616104
- Edward Bergin, MDSurgery Physician1902980907
- Patricia Cantrell, PACSurgical Physician Assistant1386634491
- John Carey, MDSurgery Physician1689667115
- Orin Council, MD PCFamily Medicine Physician1740326859
Verify Wendy K. Wiltzen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license RN14607Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average family nurse practitioner in 2024
303 Medicare Part D claims for 66 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Estradiol32 claims
- Levothyroxine Sodium28 claims
- Hydrochlorothiazide18 claims
- Atorvastatin Calcium17 claims
- Metformin Hcl Er12 claims
- Rosuvastatin Calcium12 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.
Wendy K. Wiltzen among 815 family nurse practitioner records in Montana
Wendy K. Wiltzen, FNPC is one of 815 family nurse practitioner records with a practice address in Montana. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 85% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2020 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 family nurse practitioner records list a practice address in Sidney
They are 7 of the 119 NPPES records with a practice address in Sidney, and 815 family nurse practitioner records in Montana.
All 815 in Montana → Every provider in Sidney → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Kaci Dean, APRNSidney, MT 592701285513044
- Patti Iversen, APRNBCSidney, MT 592701598838666
- Barbara Lundemo, NURSE PRACTIONERSidney, MT 592701396722963
- Paul Pfennig, ACNS-BC, FNP-BC, ANPSidney, MT 592701043503113
- Chloe Senn, FNP-CSidney, MT 592701437803327
- Michelle Trudell, MSN, APRN, FNP-CSidney, MT 592701912312588
- Zoe Fugere, FNP-CScobey, MT 592631255754941
- Joy LinnSaco, MT 592611689181034
Common questions
What is Wendy K. Wiltzen, FNPC's NPI number?
Wendy K. Wiltzen, FNPC's National Provider Identifier (NPI) is 1609949767, issued on Nov 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Wendy K. Wiltzen, FNPC located?
The NPPES record lists a practice address at 214 14TH Ave SW, Sidney, MT, 59270. Phone: (406) 488-2501. Providers update this record themselves, so call before visiting.
How can I verify Wendy K. Wiltzen, FNPC's license?
NPPES lists Montana license number RN14607, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.
How much does Wendy K. Wiltzen, FNPC prescribe under Medicare Part D?
In 2024, Wendy K. Wiltzen, FNPC had 303 Medicare Part D claims for 66 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.