Doctor profile · Federal record
Dr. Kathleen Lak, M.D.
Surgery Physician (CMS: General Surgery) · Milwaukee, WI
- NPI 1578852620
- Accepts Medicare
- 15 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
9200 W Wisconsin Ave, Department of Surgery
Milwaukee, WI 532263522
(414) 805-5700
fax (414) 454-0152
Credentials & registration
- NPI registered
- March 2011 — 15 yrs on file
- Profile last updated
- September 13, 2017
- Year of graduation
- 2011 — 15 yrs since
- Specialty taxonomy
- 208600000X — NUCC code
- State license (1)
- Wisconsin #59950
- Medicaid
- WI #1578852620
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578852620. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
46
Distinct HCPCS
2
Medicare allowed
$2,731
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99202 |
New patient office or other outpatient visit, 15-29 minutes | 32 | 32 | $45 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 14 | 13 | $92 |
In context: peer comparison
Among 19 peers in Milwaukee Surgery Physician, average services per provider: 28. This provider delivers 1.6× the peer median.Frequently asked questions
What is Dr. Kathleen Lak's medical specialty?
Dr. Kathleen Lak practices Surgery Physician in Milwaukee, WI.
Where does Dr. Kathleen Lak practice?
Dr. Kathleen Lak practices at 9200 W Wisconsin Ave, Milwaukee, WI 532263522. Office phone: 4148055700.
What is Dr. Kathleen Lak's NPI?
Dr. Kathleen Lak's National Provider Identifier (NPI) is 1578852620, issued by NPPES.
Does Dr. Kathleen Lak accept Medicare assignment?
Yes. Dr. Kathleen Lak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kathleen Lak commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99202); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.