NPPES file of Aug 9, 2026

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.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1932372943
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
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 720 N 30TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Margaret Beeson, NDNaturopath1669579231
  2. Sierra Cortes, NDNaturopath1326755471
  3. Cameron Craw, ND, LACNaturopath1619758257
  4. Shelah Deans, NDNaturopath1285231274
  5. Autumn Dugas, NDNaturopath1174237515
  6. Patricia Holl, D.C.Chiropractor1902946676

Verify Sarah M. Stewart in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMontana Board of Medical Examiners
    Search for license MED-PHYS-LIC-11616
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Montana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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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.

  1. Sarah Stewart7,975
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium422 claims
  2. Losartan Potassium332 claims
  3. Amlodipine Besylate246 claims
  4. Lisinopril235 claims
  5. Atorvastatin Calcium221 claims
  6. 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

  1. Charis Health LLCBillings, MT
  2. 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.

The 8 family medicine physician records with the nearest ZIP codes

  1. Dale Agner, M.D.Billings, MT 591011861486490
  2. Bryn Burnham, D.O.Billings, MT 591011164476693
  3. Emily Colson, MDBillings, MT 591011952397929
  4. Diana Doll, MDBillings, MT 591011942263405
  5. Roxanne Fahrenwald, MDBillings, MT 591011104810688
  6. Paolo Gerbasi, MDBillings, MT 591011134166622
  7. James Guyer, M.D.Billings, MT 591011962495697
  8. 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.