Madeleine Garren, M.D.
Anesthesiology Physician · Billings, MT
Madeleine Garren, M.D. is an anesthesiology physician with a practice address in Billings, Montana, and NPI 1942654447, issued on Apr 20, 2016. Check the license (Montana 101085, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Madeleine Garren
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- 101085 MT
56951 TN
Self-reported in NPPES; status is on the state search - Practice location
- 3333 2ND Ave N Ste 240, Billings, MT 59101
- Phone
- (406) 248-3290
- Enumerated
- Apr 20, 2016
- Record last updated
- Feb 4, 2025
- Medicare enrollment
- Enrolled (PECOS I20230817002557); accepts Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 2020
- Entity
- Type 1 · individual
Also registered at 3333 2ND Ave N Ste 240
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jonathan Gaston, D.O.Anesthesiology Physician1659639409
Verify Madeleine Garren in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 101085Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Paragon Anesthesia PCBristol, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
67 anesthesiology physician records list a practice address in Billings
They are 67 of the 4,035 NPPES records with a practice address in Billings, and 227 anesthesiology physician records in Montana.
All 67 in Billings → All 227 in Montana → Every provider in Billings →
Other anesthesiology physician records in Montana
- Sharon Akrep, MDGreat Falls, MT1700986213
- Deeann Allen, MDGreat Falls, MT1609975218
- George Allen, DOKalispell, MT1386987113
- Staci Allen, D.O.Whitefish, MT1639517519
- Lawrence Alvarado, MDBozeman, MT1184677981
- Jonathan Amick, D.O.Kalispell, MT1770786154
- Cordel Anderson, M.D.Missoula, MT1164710430
- Eric Anderson, MDGreat Falls, MT1851498810
- Jonathan Anderson, MDKalispell, MT1174634745
- Danae Aplas, MDButte, MT1144236498
Common questions
What is Madeleine Garren, M.D.'s NPI number?
Madeleine Garren, M.D.'s National Provider Identifier (NPI) is 1942654447, issued on Apr 20, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Madeleine Garren, M.D. located?
The NPPES record lists a practice address at 3333 2ND Ave N Ste 240, Billings, MT, 59101. Phone: (406) 248-3290. Providers update this record themselves, so call before visiting.
How can I verify Madeleine Garren, M.D.'s license?
NPPES lists Montana license number 101085, 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.
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.