Kathleen M. Lewison, MD
Obstetrics Physician · Whitefish, MT
Kathleen M. Lewison, MD is an obstetrics physician with a practice address in Whitefish, Montana, and NPI 1508981663, issued on Mar 20, 2007. Check the license (Montana 11793, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Kathleen M. Lewison
- Credential
- MD
- Primary taxonomy
- Obstetrics Physician 207VX0000X
- License numbers
- 11793 MT
46424 CO
97-00636 NC
Self-reported in NPPES; status is on the state search - Practice location
- 2002 Hospital Way, Whitefish, MT 59937
- Phone
- (406) 862-6436
- Enumerated
- Mar 20, 2007
- Record last updated
- Jan 14, 2026
- Fax
- (406) 862-9978
- Medicare enrollment
- Enrolled (PECOS I20080919000123); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 1993
- Entity
- Type 1 · individual
8 nearest obstetrics physician records → All 11 in Montana → Look up another NPI →
Also registered at 2002 Hospital Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dennis Beach, MDObstetrics & Gynecology Physician1205931292
- Mirna Bowden, MDObstetrics & Gynecology Physician1982700167
- Bradley Kasavana, D.O.Obstetrics & Gynecology Physician1700172665
- Tessa Winterton, MDObstetrics & Gynecology Physician1205241031
Verify Kathleen M. Lewison in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 11793Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average obstetrics physician in 2024
116 Medicare Part D claims for 22 beneficiaries, against an average of 218 among the 863 providers of this specialty who prescribed in Part D.
Most prescribed
- Progesterone43 claims
- Estradiol15 claims
- Synthroid13 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.
Industry payments in 2024: $35.42
1 payment: food and beverage; the largest payer was Baxter Healthcare. The 679 providers of this specialty with any payment received $826.19 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.
Bills Medicare through one group practice
- Alpine Womens Center PCWhitefish, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Kathleen M. Lewison among 11 obstetrics physician records in Montana
Kathleen M. Lewison, MD is one of 11 obstetrics physician records with a practice address in Montana. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 36% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Record last updated2026 · 27% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics Physician providers in Montana
There are 11 obstetrics physician records in Montana.
All 11 in Montana → Every provider in Whitefish → Obstetrics Physician nationwide →
The 8 obstetrics physician records with the nearest ZIP codes
- Thomas Dehoop, M.D.Kalispell, MT 599011720023138
- Kelly Bagnell, M. D.Polson, MT 598601558390617
- Marcia Voigt, MDBozeman, MT 597151144726522
- Linda Waring, MDBozeman, MT 597151023201340
- Robert St. John, MDButte, MT 597011114169836
- Andrew Malany, M.D.Helena, MT 596011063525988
- Kelsey DressenGreat Falls, MT 594051467848093
- Jeanne Stewart, MDGlendive, MT 593301871574244
Common questions
What is Kathleen M. Lewison, MD's NPI number?
Kathleen M. Lewison, MD's National Provider Identifier (NPI) is 1508981663, issued on Mar 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Kathleen M. Lewison, MD located?
The NPPES record lists a practice address at 2002 Hospital Way, Whitefish, MT, 59937. Phone: (406) 862-6436. Providers update this record themselves, so call before visiting.
How can I verify Kathleen M. Lewison, MD's license?
NPPES lists Montana license number 11793, 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 Kathleen M. Lewison, MD prescribe under Medicare Part D?
In 2024, Kathleen M. Lewison, MD had 116 Medicare Part D claims for 22 beneficiaries; the average among obstetrics physician prescribers was 218. 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.