Margit Elisabeth Groessler, NP-C
Family Nurse Practitioner · Saint Ignatius, MT
Margit Elisabeth Groessler, NP-C is a family nurse practitioner with a practice address in Saint Ignatius, Montana, and NPI 1013169960, issued on Oct 22, 2008. Check the license (Montana NUR-APRN-LIC-100262, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margit Elisabeth Groessler
- Credential
- NP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- NUR-APRN-LIC-100262 MT
Self-reported in NPPES; status is on the state search - Practice location
- 35401 Mission Dr, Saint Ignatius, MT 59865
- Phone
- (406) 745-3525
- Enumerated
- Oct 22, 2008
- Record last updated
- Mar 14, 2024
- Medicare enrollment
- Enrolled (PECOS I20090218000073); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 815 in Montana → Look up another NPI →
Also registered at 35401 Mission Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicole AntoineClinical Social Worker1801650924
- Elli Braaten, RNRegistered Nurse1922712975
- Shawna Buffalo, LCSWClinical Social Worker1871958041
- Taylor Diggs, DMDDentist1003230111
- Julie Doerner, SPEECH-LANGUAGE PATHSpeech-Language Pathologist1942476510
- Adessa Durglo, RNRegistered Nurse1316692593
Verify Margit Elisabeth Groessler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license NUR-APRN-LIC-100262Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% fewer Medicare Part D claims than the average family nurse practitioner in 2024
1,184 Medicare Part D claims for 51 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. 56 claims were for opioids.
Most prescribed
- Levothyroxine Sodium65 claims
- Lisinopril60 claims
- Rosuvastatin Calcium59 claims
- Amlodipine Besylate52 claims
- Ozempic51 claims
- Omeprazole49 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
- Confederated Salish And Kootenai Tribes OF The Flathead ReservationSaint Ignatius, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margit Elisabeth Groessler among 815 family nurse practitioner records in Montana
Margit Elisabeth Groessler, NP-C 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 2008, is newer than 20% of them.
- NPI issued2008 · 20% of these records are older, 77% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2008 · median 2018 among the 505 with a school on file
- Record last updated2024 · 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).
3 family nurse practitioner records list a practice address in Saint Ignatius
They are 3 of the 42 NPPES records with a practice address in Saint Ignatius, and 815 family nurse practitioner records in Montana.
All 815 in Montana → Every provider in Saint Ignatius → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Geofrey RohrlachSaint Ignatius, MT 598651881175735
- Brenda Strysko, CNM, FNPSaint Ignatius, MT 598651770865172
- David Vaughan, FNPSt Ignatius, MT 598651235319625
- April CharloRonan, MT 598641053063008
- Shannon Matthews, APRNSaint Regis, MT 598661710296033
- Jenaia McGreevey, FNP-CRonan, MT 598641083173645
- Sarah Meeks, DNP, FNP-CRonan, MT 598641700339900
- Heidi Apedaile, FNPStevensville, MT 598701124869656
Common questions
What is Margit Elisabeth Groessler, NP-C's NPI number?
Margit Elisabeth Groessler, NP-C's National Provider Identifier (NPI) is 1013169960, issued on Oct 22, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Margit Elisabeth Groessler, NP-C located?
The NPPES record lists a practice address at 35401 Mission Dr, Saint Ignatius, MT, 59865. Phone: (406) 745-3525. Providers update this record themselves, so call before visiting.
How can I verify Margit Elisabeth Groessler, NP-C's license?
NPPES lists Montana license number NUR-APRN-LIC-100262, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.
How much does Margit Elisabeth Groessler, NP-C prescribe under Medicare Part D?
In 2024, Margit Elisabeth Groessler, NP-C had 1,184 Medicare Part D claims for 51 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.