Michael Lasser, MD
NPI 1598716342 · Obstetrics & Gynecology Physician · West Allis, WI
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Lasser, MD is a Obstetrics & Gynecology Physician provider in West Allis, WI (NPI 1598716342).
Provider details
- NPI number
- 1598716342
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35601 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-15
- Last updated
- 2012-10-16
Frequently asked questions
- What is Michael Lasser's NPI number?
- Michael Lasser's National Provider Identifier (NPI) is 1598716342, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Lasser's specialty?
- Michael Lasser is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Lasser located?
- Michael Lasser's practice location on file with NPPES is 11211 W Lincoln Ave, West Allis, WI 53227-1035.
- What is Michael Lasser's phone number?
- The practice phone number listed in the NPPES registry for Michael Lasser is (414) 456-5900.
- Does Michael Lasser accept Medicare?
- Michael Lasser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Lasser's NPI active?
- Yes — Michael Lasser's NPI (1598716342) is active in the NPPES registry as of the last update on 2012-10-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.