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DR. MICHAEL J LASSER MD
NPI 1598716342
Obstetrics & Gynecology in West Allis, WI

Active since May 15, 2006PECOS Enrolled
11211 W LINCOLN AVE, LINCOLN AVENUE CLINIC, WEST ALLIS, WI 53227(414) 456-5900(414) 327-7639 Get Directions Write a Review

NPPES record last updated: October 16, 2012. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Michael J Lasser Md NPPES

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

DR. MICHAEL J LASSER MD (NPI 1598716342) is an individual obstetrics & gynecology provider in West Allis, Wisconsin, licensed in Wisconsin (35601) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Sanford School Of Medicine Of University Of South Dakota (1993).

NPPES Registry Identity

NPI1598716342
Entity TypeIndividualMale
Primary Taxonomy207V00000X
Provider Legal NameDR. MICHAEL J LASSERCredential: MD
Location Address11211 W LINCOLN AVE, LINCOLN AVENUE CLINICWest Allis, WI 53227-1035
Mailing Address11211 W Lincoln Ave, Lincoln Avenue ClinicWest Allis, WI 53227-1035 · (414) 456-5900 · Fax (414) 327-7639
Phone(414) 456-5900
Fax(414) 327-7639
Sole ProprietorNo
Medical School CMSSanford School Of Medicine Of University Of South DakotaGraduated 1993
Enumeration DateMay 15, 2006
Last NPPES UpdateOctober 16, 2012
✔ NPI 1598716342 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in WI · 35601
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
11211 W LINCOLN AVE, West Allis, WI 53227
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Other Identifiers 5

Medicaid32371000WI
Medicare ID-Type Unspecified0055373601
Medicaid1598716342WI
Other002000217MHumana
Medicare UPING62366

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Michael J Lasser Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5193841161
PECOS Enrollment IDI20100927001485
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.

Medicare Billing Reassignments

4

Medicare enrollment records show Michael Lasser reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The Medical College Of Wisconsin, Inc.
3.3 mi
Internal Medicine
8701 WATERTOWN PLANK RD
Milwaukee, WI 53226
  • Reassigned Medicare billing, Wisconsin enrollment
  • 3,983 clinicians in this Medicare group
NPI 1699720086 (414) 955-7101
Ascension Medical Group-Southeast Wisconsin Inc
9.6 mi
Anesthesiology
2301 N LAKE DR
Milwaukee, WI 53211
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,343 clinicians in this Medicare group
NPI 1194473066 (414) 585-1000
Froedtert & the Medical College Of Wisconsin Community Physicians, Inc.
12 mi
Internal Medicine
W180N8000 TOWN HALL RD
Menomonee Falls, WI 53051
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,294 clinicians in this Medicare group
NPI 1568787448 (262) 255-2500
Obhg Wisconsin, S.C.
640 mi
Obstetrics & Gynecology
777 LOWNDES HILL RD BLDG 1
Greenville, SC 29607
  • Reassigned Medicare billing, Wisconsin enrollment
  • Medicare enrollment name: Obhg Wisconsin Sc
  • 58 clinicians in this Medicare group
NPI 1699273862 (864) 908-3530

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53227 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
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
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 15

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

DR. MONICA M O'SULLIVAN MD
Internal Medicine
11211 W LINCOLN AVE
WEST ALLIS, WI 53227
Milwaukee County (414) 454-8300
DR. TYSHUNDA LAKESHA MANNING MD
Obstetrics & Gynecology
11211 W LINCOLN AVE
WEST ALLIS, WI 53227
Milwaukee County (414) 456-5000
MELANIE KLAWITTER AGNP
Nurse Practitioner (Adult Health)
11211 W LINCOLN AVE
WEST ALLIS, WI 53227
Milwaukee County (414) 454-8300
MRS. KATRINA NGUYEN JOSKI PA-C
Physician Assistant (Medical)
11211 W LINCOLN AVE
WEST ALLIS, WI 53227
Milwaukee County (414) 454-8300
JAYMIE LYNN GEHRING DNP-FNP
Nurse Practitioner (Family)
11211 W LINCOLN AVE
WEST ALLIS, WI 53227
Milwaukee County (414) 454-8300
MS. KATHRYN J AISPURO RN, CNM
Advanced Practice Midwife
11211 W LINCOLN AVE
WEST ALLIS, WI 53227
Milwaukee County (414) 454-8300
ERIN CLAWSON
Nurse Practitioner (Family)
11211 W LINCOLN AVE
WEST ALLIS, WI 53227
Milwaukee County (414) 454-8300
MARY C BURKE M.D.
Obstetrics & Gynecology
11211 W LINCOLN AVE, LINCOLN AVENUE CLINIC
MILWAUKEE, WI 53227
Milwaukee County (414) 955-5900

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 Michael Lasser's NPI number?

The NPI number for Michael Lasser is 1598716342. It was assigned to this individual provider in the NPPES registry on May 15, 2006.

Where is Michael Lasser located?

Michael Lasser practices at 11211 W Lincoln Ave Lincoln Avenue Clinic, West Allis, WI 53227. The listed phone number is (414) 456-5900.

What is Michael Lasser's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Michael Lasser enrolled in Medicare?

Yes. Michael Lasser is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Michael Lasser's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Lasser reassigns Medicare benefits to 4 organizations: The Medical College Of Wisconsin, Inc. (Milwaukee, WI), Ascension Medical Group-Southeast Wisconsin Inc (Milwaukee, WI), Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (Menomonee Falls, WI) and Obhg Wisconsin, S.C. (Greenville, SC). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Lasser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Lasser accept?

Health plans from Anthem Blue Cross and Blue Shield list Michael Lasser 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.

When was this NPI record last updated?

The NPPES record for Michael Lasser was last updated on October 16, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.