Lauren K. Willis, M.D.
Pediatric Gastroenterology Physician · Missoula, MT
Lauren K. Willis, M.D. is a pediatric gastroenterology physician with a practice address in Missoula, Montana, and NPI 1457393357, issued on Jun 12, 2006. Check the license (Montana 55979, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Lauren K. Willis
- Credential
- M.D.
- Primary taxonomy
- Pediatric Gastroenterology Physician 2080P0206X
- License numbers
- 55979 MT
0101222038 VA
Self-reported in NPPES; status is on the state search - Practice location
- 2835 Fort Missoula RD Bldg 3, Missoula, MT 59804
- Phone
- (406) 721-5600
- Enumerated
- Jun 12, 2006
- Record last updated
- Jun 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (406) 721-3907
- Medicaid IDs
- 690603L NC
005830427 VA - Entity
- Type 1 · individual
2 nearest pediatric gastroenterology physician records → All 3 in Montana → Look up another NPI →
Also registered at 2835 Fort Missoula RD Bldg 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Charla Fontaine, PA-CPhysician Assistant1376621201
- Shannon Foster, M.D.Dermatology Physician1356549406
- Erika Hagstrom, MDDermatology Physician1841685658
- Jennifer Hall, MDPediatrics Physician1245273622
- Jacob Inda, MDDermatology Physician1275997827
- Nancy McCourt, MSWSocial Worker1134632151
Verify Lauren K. Willis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 55979Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $252.66
3 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 1,184 providers of this specialty with any payment received $2,585.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Pediatric Gastroenterology Physician providers in Montana
There are 3 pediatric gastroenterology physician records in Montana.
All 3 in Montana → Every provider in Missoula → Pediatric Gastroenterology Physician nationwide →
The 2 pediatric gastroenterology physician records with the nearest ZIP codes
- Thomas Flass, MDKalispell, MT 599011770639387
- Daniel Lustig, MDKalispell, MT 599011952458747
Common questions
What is Lauren K. Willis, M.D.'s NPI number?
Lauren K. Willis, M.D.'s National Provider Identifier (NPI) is 1457393357, issued on Jun 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lauren K. Willis, M.D. located?
The NPPES record lists a practice address at 2835 Fort Missoula RD Bldg 3, Missoula, MT, 59804. Phone: (406) 721-5600. Providers update this record themselves, so call before visiting.
How can I verify Lauren K. Willis, M.D.'s license?
NPPES lists Montana license number 55979, 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.