Doctor profile · Federal record
Dr. Colleen Koster, LCSW
Clinical Social Worker · Waukesha, WI
- NPI 1417279001
- Accepts Medicare
- 37 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
W231N1440 Corporate CT
Waukesha, WI 531861503
(414) 773-4312
fax (262) 896-6139 - Mailing address
-
Po Box 735044
Chicago, IL 606735044
Credentials & registration
- NPI registered
- February 2010 — 16 yrs on file
- Profile last updated
- October 9, 2023
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 1041C0700X — NUCC code
- State license (1)
- Wisconsin #1845
- Medicaid
- WI #100008659
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1417279001. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
106
Distinct HCPCS
2
Medicare allowed
$9,809
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90837 |
Psychotherapy, 1 hour | 64 | 13 | $106 | |
90834 |
Psychotherapy, 45 minutes | 42 | 14 | $72 |
In context: peer comparison
Among 9 peers in this city , average services per provider: 64. This provider delivers 1.7× the peer median.Frequently asked questions
What is Dr. Colleen Koster's medical specialty?
Dr. Colleen Koster practices Clinical Social Worker in Waukesha, WI.
Where does Dr. Colleen Koster practice?
Dr. Colleen Koster practices at W231N1440 Corporate CT, Waukesha, WI 531861503. Office phone: 4147734312.
What is Dr. Colleen Koster's NPI?
Dr. Colleen Koster's National Provider Identifier (NPI) is 1417279001, issued by NPPES.
Does Dr. Colleen Koster accept Medicare assignment?
Yes. Dr. Colleen Koster accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Colleen Koster commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837); Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.