Sarah M. Stewart, M.D.
Family Medicine Physician · Billings, MT
Sarah M. Stewart, M.D. is a family medicine physician with a practice address in Billings, Montana, and NPI 1932372943, issued on Apr 10, 2008. Check the license (Montana MED-PHYS-LIC-11616, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Sarah M. Stewart
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- MED-PHYS-LIC-11616 MT
NUR-APRN-LIC-217531 MT
NUR-RN-LIC-102310 MT
Self-reported in NPPES; status is on the state search - Practice location
- 720 N 30TH St, Billings, MT 59101
- Phone
- (406) 672-4634
- Enumerated
- Apr 10, 2008
- Record last updated
- Feb 12, 2026
- Fax
- (406) 894-2011
- Medicare enrollment
- Enrolled (PECOS I20081028000521); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 775 in Montana → Look up another NPI →
Also registered at 720 N 30TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Margaret Beeson, NDNaturopath1669579231
- Sierra Cortes, NDNaturopath1326755471
- Cameron Craw, ND, LACNaturopath1619758257
- Shelah Deans, NDNaturopath1285231274
- Autumn Dugas, NDNaturopath1174237515
- Patricia Holl, D.C.Chiropractor1902946676
Verify Sarah M. Stewart 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-11616Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average family medicine physician in 2024
7,975 Medicare Part D claims for 521 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 349 claims were for opioids.
Most prescribed
- Levothyroxine Sodium422 claims
- Losartan Potassium332 claims
- Amlodipine Besylate246 claims
- Lisinopril235 claims
- Atorvastatin Calcium221 claims
- Rosuvastatin Calcium217 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 2 group practices
- Charis Health LLCBillings, MT
- Scl Health Medical Group - Billings LLCBillings, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah M. Stewart among 775 family medicine physician records in Montana
Sarah M. Stewart, M.D. is one of 775 family medicine physician records with a practice address in Montana. 75% 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 60% of them.
- NPI issued2008 · 60% of these records are older, 35% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2004 · median 2007 among the 464 with a school on file
- Record last updated2026 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
111 family medicine physician records list a practice address in Billings
They are 111 of the 4,035 NPPES records with a practice address in Billings, and 775 family medicine physician records in Montana.
All 775 in Montana → Every provider in Billings → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Dale Agner, M.D.Billings, MT 591011861486490
- Bryn Burnham, D.O.Billings, MT 591011164476693
- Emily Colson, MDBillings, MT 591011952397929
- Diana Doll, MDBillings, MT 591011942263405
- Roxanne Fahrenwald, MDBillings, MT 591011104810688
- Paolo Gerbasi, MDBillings, MT 591011134166622
- James Guyer, M.D.Billings, MT 591011962495697
- Thomas James, MDBillings, MT 591011831183482
Common questions
What is Sarah M. Stewart, M.D.'s NPI number?
Sarah M. Stewart, M.D.'s National Provider Identifier (NPI) is 1932372943, issued on Apr 10, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Sarah M. Stewart, M.D. located?
The NPPES record lists a practice address at 720 N 30TH St, Billings, MT, 59101. Phone: (406) 672-4634. Providers update this record themselves, so call before visiting.
How can I verify Sarah M. Stewart, M.D.'s license?
NPPES lists Montana license number MED-PHYS-LIC-11616, 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 Sarah M. Stewart, M.D. prescribe under Medicare Part D?
In 2024, Sarah M. Stewart, M.D. had 7,975 Medicare Part D claims for 521 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.