Stacy Marie Stellflug, APRN-NP
Nurse Practitioner · Billings, MT
Stacy Marie Stellflug, APRN-NP is a nurse practitioner with a practice address in Billings, Montana, and NPI 1902936610, issued on Mar 6, 2007. Check the license (Montana RN27179, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stacy Marie Stellflug
- Credential
- APRN-NP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- RN27179 MT
Self-reported in NPPES; status is on the state search - Practice location
- 1233 N 30TH St, Billings, MT 59101
- Phone
- (406) 237-3117
- Enumerated
- Mar 6, 2007
- Record last updated
- Oct 15, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110113000139); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 287 in Montana → Look up another NPI →
Also registered at 1233 N 30TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Charles Aragon, M.D.Anesthesiology Physician1093782591
Verify Stacy Marie Stellflug in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license RN27179Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average nurse practitioner in 2024
574 Medicare Part D claims for 25 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 19 claims were for opioids.
Most prescribed
- Duloxetine Hcl47 claims
- Aripiprazole35 claims
- Trazodone Hcl33 claims
- Clonazepam29 claims
- Desvenlafaxine Succinate Er28 claims
- Fluoxetine Hcl26 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.
Stacy Marie Stellflug among 287 nurse practitioner records in Montana
Stacy Marie Stellflug, APRN-NP is one of 287 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 2007, is newer than 26% of them.
- NPI issued2007 · 26% of these records are older, 69% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2004 · median 2019 among the 185 with a school on file
- Record last updated2010 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
72 nurse practitioner records list a practice address in Billings
They are 72 of the 4,035 NPPES records with a practice address in Billings, and 287 nurse practitioner records in Montana.
All 287 in Montana → Every provider in Billings → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Valerie Caton, APRN(FNP-C)Billings, MT 591011104846658
- Lynette Cross, NPBillings, MT 591011295773182
- Brenda Gilmore, NPBillings, MT 591011144253386
- Lori Hartford, NPBillings, MT 591011194985572
- Yvonne Kammerzell, NPBillings, MT 591011942301015
- Monica Maher, NPBillings, MT 591011548314107
- Sheryl Malinowski, FNPBillings, MT 591011790999878
- George Murray, NPBillings, MT 591011154347854
Common questions
What is Stacy Marie Stellflug, APRN-NP's NPI number?
Stacy Marie Stellflug, APRN-NP's National Provider Identifier (NPI) is 1902936610, issued on Mar 6, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Stacy Marie Stellflug, APRN-NP located?
The NPPES record lists a practice address at 1233 N 30TH St, Billings, MT, 59101. Phone: (406) 237-3117. Providers update this record themselves, so call before visiting.
How can I verify Stacy Marie Stellflug, APRN-NP's license?
NPPES lists Montana license number RN27179, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.
How much does Stacy Marie Stellflug, APRN-NP prescribe under Medicare Part D?
In 2024, Stacy Marie Stellflug, APRN-NP had 574 Medicare Part D claims for 25 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.