Shelley R. Poss, FNP
Family Nurse Practitioner · Lewistown, MT
Shelley R. Poss, FNP is a family nurse practitioner with a practice address in Lewistown, Montana, and NPI 1629045356, issued on Mar 1, 2006. Check the license (Montana RN17924, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Shelley R. Poss
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- RN17924 MT
Self-reported in NPPES; status is on the state search - Practice location
- 408 Wendell Ave, Lewistown, MT 59457
- Phone
- (406) 535-1502
- Enumerated
- Mar 1, 2006
- Record last updated
- Dec 12, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicaid ID
- 9971826 MT
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 815 in Montana → Look up another NPI →
Also registered at 408 Wendell Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danielle Affolder, COTAOccupational Therapy Assistant1679978019
- Laura Anderson, DPTPhysical Therapist1952702144
- Amie Baguer, FNPFamily Nurse Practitioner1144198763
- Laura Bennett, MDFamily Medicine Physician1639120546
- Justin BerklovichPhysical Therapy Assistant1609439041
- Shaun Biddle, PT, DPTPhysical Therapist1831477165
Verify Shelley R. Poss in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license RN17924Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% more Medicare Part D claims than the average family nurse practitioner in 2024
1,924 Medicare Part D claims for 202 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Levothyroxine Sodium139 claims
- Lisinopril127 claims
- Atorvastatin Calcium121 claims
- Amlodipine Besylate98 claims
- Hydrochlorothiazide74 claims
- Gabapentin61 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.
Shelley R. Poss among 815 family nurse practitioner records in Montana
Shelley R. Poss, FNP 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 updated2017 · 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).
8 family nurse practitioner records list a practice address in Lewistown
They are 8 of the 175 NPPES records with a practice address in Lewistown, and 815 family nurse practitioner records in Montana.
All 815 in Montana → Every provider in Lewistown → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Amie Baguer, FNPLewistown, MT 594571144198763
- Amber Close, APRNLewistown, MT 594571578872909
- Kimberlee Decker, DNP APRN FNP-BCLewistown, MT 594571184803470
- Clancy Hartman, FNP-CLewistown, MT 594571235818535
- Cheryl Reagan, FNP-CLewistown, MT 594571396386637
- Rebecca Roche, FNPLewistown, MT 594571225690415
- Rosemary Youderian, RNCS FNPLewistown, MT 594571548258718
- Victoria Birkeland, FNPFort Benton, MT 594421740711167
Common questions
What is Shelley R. Poss, FNP's NPI number?
Shelley R. Poss, FNP's National Provider Identifier (NPI) is 1629045356, issued on Mar 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Shelley R. Poss, FNP located?
The NPPES record lists a practice address at 408 Wendell Ave, Lewistown, MT, 59457. Phone: (406) 535-1502. Providers update this record themselves, so call before visiting.
How can I verify Shelley R. Poss, FNP's license?
NPPES lists Montana license number RN17924, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.
How much does Shelley R. Poss, FNP prescribe under Medicare Part D?
In 2024, Shelley R. Poss, FNP had 1,924 Medicare Part D claims for 202 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.