Margaret Bernadette Hammersla, CRNP
Adult Health Nurse Practitioner · Bozeman, MT
Margaret Bernadette Hammersla, CRNP is an adult health nurse practitioner with a practice address in Bozeman, Montana, and NPI 1235157439, issued on Jul 17, 2006. Check the license (Montana 159783, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Margaret Bernadette Hammersla
- Credential
- CRNP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License numbers
- 159783 MT
R128313 MD
Self-reported in NPPES; status is on the state search - Practice location
- 937 Highland Blvd Ste 5410, Bozeman, MT 59715
- Phone
- (406) 414-2400
- Enumerated
- Jul 17, 2006
- Record last updated
- Apr 9, 2025
- Medicare enrollment
- Enrolled (PECOS I20200714003747); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 937 Highland Blvd Ste 5410
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jonathan Brigham, M.D.Geriatric Psychiatry Physician1033586730
- Sonja Clausen, PHARMDAmbulatory Care Pharmacist1982118808
- Keven Comer, NPNurse Practitioner1063594182
- Daniel Goldstein, MDInternal Medicine Physician1902302698
- Robert Hathaway, MDInternal Medicine Physician1427068295
- Crystal Henderson, NP-CFamily Nurse Practitioner1952757247
Verify Margaret Bernadette Hammersla in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license 159783Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average adult health nurse practitioner in 2024
41 Medicare Part D claims, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D.
Most prescribed
- Escitalopram Oxalate12 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.
Industry payments in 2024: $20.13
1 payment: food and beverage; the largest payer was Abbvie Inc. The 12,291 providers of this specialty with any payment received $946.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Bozeman Health Deaconess HospitalBozeman, MT · Acute Care Hospitals4 of 5 stars
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.
Adult Health Nurse Practitioner providers in Montana
There are 59 adult health nurse practitioner records in Montana.
Other adult health nurse practitioner records in Montana
- Kimberly Ackerman, FNPBillings, MT1922032861
- Mary Adams, APRN, BCKalispell, MT1679511547
- Ava Boschee, APRNMiles City, MT1265522973
- Becky Bowler, AGPCNPBozeman, MT1083260830
- Afton Bruffey, NP-CBillings, MT1124653829
- Alison Charman, NPMissoula, MT1669543039
- Melissa Cobb, NP-CHelena, MT1629512173
- Frances Cook, ARNP-CPoplar, MT1427335306
- Mary De Souza, MSP ANPKalispell, MT1700972742
- Lanora Dixon, FNP-BCBillings, MT1942631213
Common questions
What is Margaret Bernadette Hammersla, CRNP's NPI number?
Margaret Bernadette Hammersla, CRNP's National Provider Identifier (NPI) is 1235157439, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Bernadette Hammersla, CRNP located?
The NPPES record lists a practice address at 937 Highland Blvd Ste 5410, Bozeman, MT, 59715. Phone: (406) 414-2400. Providers update this record themselves, so call before visiting.
How can I verify Margaret Bernadette Hammersla, CRNP's license?
NPPES lists Montana license number 159783, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.
How much does Margaret Bernadette Hammersla, CRNP prescribe under Medicare Part D?
In 2024, Margaret Bernadette Hammersla, CRNP had 41 Medicare Part D claims; the average among adult health nurse practitioner prescribers was 1,280. 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.