DR. KATHLEEN M LEWISON MD
Accepted Insurance for NPI 1508981663
Obstetrics & Gynecology - Obstetrics in Whitefish, MT

Active since March 20, 2007PECOS EnrolledAccepts Medicare Assignment

2002 HOSPITAL WAY, WHITEFISH, MT 59937(406) 862-6436(406) 862-9978 Get Directions

NPPES record last updated: January 14, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Does Dr. Lewison take my insurance?

42 Montana plans sold on HealthCare.gov for 2027 include Dr. Lewison, from Mountain Health CO-OP and Blue Cross and Blue Shield of Montana.

InsurersMountain Health CO-OP 25 plans Blue Cross and Blue Shield of Montana 17 plans

Call before you book: insurer directories can be out of date, so call the office at (406) 862-6436 to confirm your plan is accepted. These are Marketplace (ACA) plans only; employer, Medicare Advantage and Medicaid plans are not listed.

Montana plans 42 plans · 85 plan IDs

Plans sold to Montana residents. Costs are for the standard version of each plan. Insurers often sell the same plan under several plan IDs, one per service area; those share one row.

Mountain Health CO-OP

25 plans · PPO · small business (SHOP)

Accepting new patients

Peak PPO network · 7 plans · Preferred tier

Peak PPO GoldPPOGold$2,00032225MT0090001

Peak PPO Gold StandardPPOGold$2,50032225MT0090010

Peak PPO Silver StandardPPOSilver$6,40032225MT0090011

Peak PPO SilverPPOSilver$9,00032225MT0090005

Peak PPO Bronze StandardPPOExpanded Bronze$7,50032225MT0090012

Peak PPO Bronze HDHPPPOExpanded Bronze$9,00032225MT0090004

Peak PPO CatastrophicPPOCatastrophic$12,00032225MT0090006

Peak PPO-SG network · 6 plans · Preferred tier

PEAK PPO GOLDPPOGold$2,00032225MT0140001

PEAK PPO GOLD HDHPPPOGold$4,00032225MT0140006

PEAK PPO SILVER HDHPPPOSilver$6,50032225MT0140005

PEAK PPO SILVERPPOSilver$9,00032225MT0140002

PEAK PPO BRONZE HDHPPPOExpanded Bronze$8,50032225MT0140004

PEAK PPO BRONZEPPOExpanded Bronze$10,00032225MT0140003

Rocky Mountain-SG network · 6 plans · Preferred tier

ROCKY MOUNTAIN GOLDPPOGold$2,00032225MT0160001

ROCKY MOUNTAIN GOLD HDHPPPOGold$4,00032225MT0160004

ROCKY MOUNTAIN SILVER HDHPPPOSilver$6,50032225MT0160005

ROCKY MOUNTAIN SILVERPPOSilver$9,00032225MT0160002

ROCKY MOUNTAIN BRONZE HDHPPPOExpanded Bronze$8,50032225MT0160003

ROCKY MOUNTAIN BRONZEPPOExpanded Bronze$10,00032225MT0160006

Rocky Mountain network · 6 plans · Preferred tier

Rocky Mountain PPO GoldPPOGold$2,00032225MT0150007

Rocky Mountain Gold StandardPPOGold$2,50032225MT0150004

Rocky Mountain PPO Silver StandardPPOSilver$6,40032225MT0150005

Rocky Mountain PPO SilverPPOSilver$9,00032225MT0150008

Rocky Mountain Bronze StandardPPOExpanded Bronze$7,50032225MT0150006

Rocky Mountain PPO Bronze HDHPPPOExpanded Bronze$9,00032225MT0150009

Blue Cross and Blue Shield of Montana

17 plans · POS, PPO

Accepting new patients

Blue Preferred PPO network · 9 plans · Blue Preferred PPO tier

Blue Preferred Gold PPO℠ - SecurePPOGold$1,80030751MT0550038

Blue Preferred Gold PPO℠ - BalancePPOGold$2,50030751MT0550102

Blue Preferred Gold PPO℠ - StandardPPOGold$2,50030751MT0550086

Blue Preferred Silver PPO℠ - ChampionPPOSilver$3,10030751MT0550039

Blue Preferred Silver PPO℠ - StandardPPOSilver$6,40030751MT0550087

Blue Preferred Silver PPO℠ - BalancePPOSilver$7,00030751MT0550061

Blue Preferred Bronze PPO℠ - Standard HSAPPOExpanded Bronze$7,50030751MT0550092

Blue Preferred Bronze PPO℠ - Support HSAPPOExpanded Bronze$8,00030751MT0550040

Blue Preferred Security PPO℠ - HSAPPOCatastrophic$12,00030751MT0550042

Blue Focus POS network · 8 plans · Blue Focus POS tier

Blue Focus Gold POS℠ - ChampionPOSGold$1,20030751MT0670001

Blue Focus Gold POS℠ - SecurePOSGold$1,80030751MT0670031

Blue Focus Gold POS℠ - StandardPOSGold$2,50030751MT0670007

Blue Focus Silver POS℠ - StandardPOSSilver$6,40030751MT0670008

Blue Focus Bronze POS℠ - Balance HSAPOSBronze$11,75030751MT0670006

Blue Focus Bronze POS℠ - Champion HSAPOSExpanded Bronze$5,00030751MT0670003

Blue Focus Bronze POS℠ - Standard HSAPOSExpanded Bronze$7,50030751MT0670009

Blue Focus Security POS℠ - HSAPOSCatastrophic$12,00030751MT0670037

Questions about Dr. Lewison’s insurance

What insurance does Dr. Lewison take?

In Montana, Mountain Health CO-OP and Blue Cross and Blue Shield of Montana include Dr. Lewison in 42 Marketplace plans for 2027. Call the office at (406) 862-6436 to confirm your plan before booking.

Is Dr. Lewison accepting new patients?

The insurers that list Dr. Lewison report that Dr. Lewison is accepting new patients. Call the office at (406) 862-6436 to confirm your plan before booking.

Do I need a referral to see Dr. Lewison?

Not under the Montana plans that list Dr. Lewison: the 2027 plan files say a specialist referral is not required.

Does Dr. Lewison accept Medicare?

Yes. CMS files show Dr. Lewison accepts Medicare assignment and is enrolled in PECOS, which allows ordering and referring for Medicare patients.

About this data

This page combines public files from insurers and from CMS. NPI Profile does not contract with insurers and does not decide who is in network.

Source	What it provides here	Source date
Insurer provider directory files	Which plans list this provider, network tier, accepting new patients, years listed. Insurers selling on HealthCare.gov must publish these files under CMS rules.	Mountain Health CO-OP: Nov 5, 2026 Blue Cross and Blue Shield of Montana: Oct 16, 2026
CMS Health Insurance Exchange public use files	Plan details and Summary of Benefits links for HealthCare.gov states.	Plan year 2027, Oct 20, 2026

Only Marketplace (ACA) plans are covered. Employer, Medicare Advantage and Medicaid managed care networks are not in these files.
Costs are for the standard version of each plan. People who qualify for cost-sharing reductions pay less on Silver plans.
Accepting new patients and network tier are reported by each insurer, and can differ from what the practice tells you.
Networks change during the year. Confirm with your insurer or the practice before booking.