Quick answers
- Where does Michael J. Lasser see patients?
- Medicare's clinician data lists 1 practice location in West Allis, WI. Call before your visit to confirm the address.
- What is Michael J. Lasser's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Michael J. Lasser accept Medicare assignment?
- Medicare's clinician data says Michael J. Lasser may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Michael J. Lasser?
- (864) 908-3530, as listed in official Medicare / NPI Registry data.
- What is Michael J. Lasser's NPI number?
- 1598716342. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Michael J. Lasser is enrolled with Medicare (CMS data updated 2026-10-02).
- 8901 W Lincoln AveWest Allis, WI 53227 (864) 908‑3530
Group practices
Medicare enrollment lists Michael J. Lasser as a member of this group (CMS data updated 2026-10-02).
- Obhg Wisconsin SC13 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in West Allis
Clinicians with the same Medicare primary specialty in West Allis, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Sanford School Of Medicine Of University Of South Dakota |
| Graduation year | 1993 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1598716342 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians