Lakeside Ob/Gyn, S.c.
NPI 1891707873 · Obstetrics & Gynecology Physician · Milwaukee, WI
Lakeside Ob/Gyn, S.c. is a Obstetrics & Gynecology Physician organization in Milwaukee, WI (NPI 1891707873).
Provider details
- NPI number
- 1891707873
- Entity type
- Organization
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Kathleen Trebian, President/Owner(414) 271-1116
- License
- 33771-020 (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
19 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
- 2006-08-11
- Last updated
- 2007-11-27
Frequently asked questions
- What is Lakeside Ob/Gyn, S.c.'s NPI number?
- Lakeside Ob/Gyn, S.c.'s National Provider Identifier (NPI) is 1891707873, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Lakeside Ob/Gyn, S.c.?
- Lakeside Ob/Gyn, S.c. is classified in the NPPES registry as Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Lakeside Ob/Gyn, S.c. located?
- Lakeside Ob/Gyn, S.c.'s practice location on file with NPPES is 2524 E Webster Pl, Milwaukee, WI 53211-4246.
- What is Lakeside Ob/Gyn, S.c.'s phone number?
- The practice phone number listed in the NPPES registry for Lakeside Ob/Gyn, S.c. is (414) 271-1116.
- Who is the authorized official for Lakeside Ob/Gyn, S.c.?
- The authorized official listed on Lakeside Ob/Gyn, S.c.'s NPPES record is Kathleen Trebian, President/Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Lakeside Ob/Gyn, S.c.'s NPI active?
- Yes — Lakeside Ob/Gyn, S.c.'s NPI (1891707873) is active in the NPPES registry as of the last update on 2007-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.