KATHLEEN LYNN LAK M.D.
NPI 1578852620
Surgery in Milwaukee, WI

Active since March 29, 2011PECOS EnrolledAccepts Medicare Assignment
9200 W WISCONSIN AVE, DEPARTMENT OF SURGERY, MILWAUKEE, WI 53226(414) 805-5700(414) 454-0152 Get Directions Write a Review

NPPES record last updated: September 13, 2017. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Kathleen Lynn Lak M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATHLEEN LYNN LAK M.D. (NPI 1578852620) is an individual surgery provider in Milwaukee, Wisconsin, licensed in Wisconsin (59950) and active in the NPI registry since March 2011. She is enrolled in Medicare PECOS, is affiliated with Community Memorial Hospital, and is a graduate of Medical College Of Wisconsin (2011).

NPPES Registry Identity

NPI1578852620
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameKATHLEEN LYNN LAKCredential: M.D.
Location Address9200 W WISCONSIN AVE, DEPARTMENT OF SURGERYMilwaukee, WI 53226-3522
Mailing Address9200 W Wisconsin Ave, Department Of SurgeryMilwaukee, WI 53226-3522 · (414) 805-5700 · Fax (414) 454-0152
Fax(414) 454-0152
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 2011
Enumeration DateMarch 29, 2011
Last NPPES UpdateSeptember 13, 2017
NPI 1578852620 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License Licensed in WI · 59950
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
9200 W WISCONSIN AVE, Milwaukee, WI 53226

Other Names 1

Former Name (1)Kathleen Lynn Simon Md

Other Identifiers 1

Medicaid1578852620WI

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Kathleen Lynn Lak M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7012236516
PECOS Enrollment IDI20160707000877
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202
This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.
13 services13 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Community Memorial Hospital

Acute Care Hospitals · Menomonee Falls, WI
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520103
LocationW180 N8085 Town Hall RdMenomonee Falls, WI 53051 · Waukesha County
Emergency services

Froedtert Memorial Lutheran Hospital

Acute Care Hospitals · Milwaukee, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520177
Location9200 W Wisconsin AveMilwaukee, WI 53226 · Milwaukee County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53226 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Advanced Practice Midwife
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Internal Medicine (Gastroenterology)
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Emergency Medicine
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Nurse Practitioner (Pediatrics)
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Nurse Practitioner (Adult Health)
9200 W WISCONSIN AVE, DEPT OF INTERNAL MEDICINE
MILWAUKEE, WI 53226
Nurse Practitioner (Adult Health)
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Nurse Anesthetist, Certified Registered
9200 W WISCONSIN AVE
MILWAUKEE, WI 53226
Physician Assistant (Medical)
9200 W WISCONSIN AVE, INTERNAL MEDICINE
MILWAUKEE, WI 53226

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kathleen Lak's NPI number?

The NPI number for Kathleen Lak is 1578852620. It was assigned to this individual provider in the NPPES registry on March 29, 2011. The provider is also known as Kathleen Lynn Simon MD.

Where is Kathleen Lak located?

Kathleen Lak practices at 9200 W Wisconsin Ave Department Of Surgery, Milwaukee, WI 53226. The listed phone number is (414) 805-5700.

What is Kathleen Lak's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Kathleen Lak enrolled in Medicare?

Yes. Kathleen Lak is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Kathleen Lak accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan and Network Health list Kathleen Lak as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Kathleen Lak affiliated with any hospitals?

According to CMS data, Kathleen Lak is affiliated with Community Memorial Hospital and Froedtert Memorial Lutheran Hospital.

When was this NPI record last updated?

The NPPES record for Kathleen Lak was last updated on September 13, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.