Doctor profile · Federal record
Dr. Kathleen Lewison, MD
Obstetrics Physician (CMS: Obstetrics/Gynecology) · Obstetrics & Gynecology Physician · Obstetrics & Gynecology Physician · Obstetrics & Gynecology Physician · Whitefish, MT
- NPI 1508981663
- Accepts Medicare
- 33 yrs in practice
- Licensed in 3 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
2002 Hospital Way
Whitefish, MT 599377858
(406) 862-6436
fax (406) 862-9978 - Additional location
-
2000 Hospital Way
Whitefish, MT 599377858
(406) 862-5575
fax (406) 862-3797 - Additional location
-
75 Claremont St Ste A
Kalispell, MT 599013500
(406) 858-8200
fax (406) 858-6803
Credentials & registration
- NPI registered
- March 2007 — 19 yrs on file
- Profile last updated
- January 14, 2026
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207VX0000X — NUCC code
- State licenses (3)
- Montana #11793 · Colorado #46424 · North Carolina #97-00636
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1508981663. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
33
Distinct HCPCS
1
Medicare allowed
$2,958
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 33 | 24 | $90 |
In context: peer comparison
Among 1 peers in Whitefish Obstetrics Physician, average services per provider: 33. This provider delivers 1.0× the peer median.Open Payments
Industry payments received
All-time total
$35
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Baxter Healthcare | 1 | $35.42 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
58
Patients
0
Total drug cost
$3,618
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Progesterone (Progesterone, Micronized) | Brand | 25 | 0 | $1,147 |
| Estradiol | Generic | 20 | 0 | $1,865 |
| Synthroid (Levothyroxine Sodium) | Brand | 13 | 0 | $606 |
Frequently asked questions
What is Dr. Kathleen Lewison's medical specialty?
Dr. Kathleen Lewison practices Obstetrics Physician in Whitefish, MT.
Where does Dr. Kathleen Lewison practice?
Dr. Kathleen Lewison practices at 2002 Hospital Way, Whitefish, MT 599377858. Office phone: 4068626436.
What is Dr. Kathleen Lewison's NPI?
Dr. Kathleen Lewison's National Provider Identifier (NPI) is 1508981663, issued by NPPES.
Does Dr. Kathleen Lewison accept Medicare assignment?
Yes. Dr. Kathleen Lewison accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathleen Lewison commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.