Marina Mudd Sprague
Internal Medicine Physician · Belgrade, MT
Marina Mudd Sprague is an internal medicine physician with a practice address in Belgrade, Montana, and NPI 1780144469, issued on Mar 20, 2019. Check the license (Montana MED-PHYS-LIC-127105, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Marina Mudd Sprague
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MED-PHYS-LIC-127105 MT
Self-reported in NPPES; status is on the state search - Practice location
- 206 Alaska Frontage RD, Belgrade, MT 59714
- Phone
- (406) 414-3334
- Enumerated
- Mar 20, 2019
- Record last updated
- Apr 9, 2025
- Medicare enrollment
- Enrolled (PECOS I20230907000424); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2019
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 324 in Montana → Look up another NPI →
Also registered at 206 Alaska Frontage RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Philip Bain, MDInternal Medicine Physician1386682664
- Michael Blake, MDPediatrics Physician1578513701
- Morgan Blake, DOFamily Medicine Physician1841872512
- Shoni Costanti, PA-CMedical Physician Assistant1104251966
- Katie D'Ardenne, MDPediatrics Physician1730403502
- Spencer Jacquot, PA-CMedical Physician Assistant1639774029
Verify Marina Mudd Sprague in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license MED-PHYS-LIC-127105Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,819 Medicare Part D claims for 159 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 50 claims were for opioids.
Most prescribed
- Levothyroxine Sodium151 claims
- Atorvastatin Calcium111 claims
- Gabapentin65 claims
- Lisinopril65 claims
- Rosuvastatin Calcium55 claims
- Omeprazole47 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.
One hospital affiliation
- Bozeman Health Deaconess HospitalBelgrade, 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.
Marina Mudd Sprague among 324 internal medicine physician records in Montana
Marina Mudd Sprague is one of 324 internal medicine physician records with a practice address in Montana. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 91% of them.
- NPI issued2019 · 91% of these records are older, 7% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2019 · median 2006 among the 191 with a school on file
- Record last updated2025 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 internal medicine physician records list a practice address in Belgrade
They are 3 of the 206 NPPES records with a practice address in Belgrade, and 324 internal medicine physician records in Montana.
All 324 in Montana → Every provider in Belgrade → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Philip Bain, MDBelgrade, MT 597141386682664
- David Stern, M.D.Belgrade, MT 597141568449742
- James Attarian, MDBozeman, MT 597151144209198
- David Crites, MDBozeman, MT 597151164457453
- Michael Herring, MDBozeman, MT 597151104840842
- Pamela Hiebert, MDBozeman, MT 597151023030079
- Thomas Kelly, MDBozeman, MT 597151437148194
- James Loeffelholz, MDBozeman, MT 597151861416331
Common questions
What is Marina Mudd Sprague's NPI number?
Marina Mudd Sprague's National Provider Identifier (NPI) is 1780144469, issued on Mar 20, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Marina Mudd Sprague located?
The NPPES record lists a practice address at 206 Alaska Frontage RD, Belgrade, MT, 59714. Phone: (406) 414-3334. Providers update this record themselves, so call before visiting.
How can I verify Marina Mudd Sprague's license?
NPPES lists Montana license number MED-PHYS-LIC-127105, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marina Mudd Sprague prescribe under Medicare Part D?
In 2024, Marina Mudd Sprague had 1,819 Medicare Part D claims for 159 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.