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LAKESIDE OB/GYN, S.C.
NPI 1891707873
Obstetrics & Gynecology in Milwaukee, WI

Active since August 11, 2006CLIA 52D0390467 · Microscopy
2524 E WEBSTER PL, SUITE 303, MILWAUKEE, WI 53211(414) 271-1116 Get Directions Write a Review

NPPES record last updated: November 27, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Lakeside Ob/gyn, S.c. NPPES

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

LAKESIDE OB/GYN, S.C. (NPI 1891707873) is a healthcare organization registered as an obstetrics & gynecology in Milwaukee, Wisconsin and active in the NPI registry since August 2006. The organization holds a CLIA Microscopy certificate valid through August 31, 2026 and lists Kathleen Mary Trebian, President/owner, as its authorized official.

NPPES Registry Identity

NPI1891707873
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameLAKESIDE OB/GYN, S.C.
Location Address2524 E WEBSTER PL, SUITE 303Milwaukee, WI 53211-4246
Mailing Address2524 E Webster Place, Suite 303Milwaukee, WI 53211-4518 · (414) 271-1116
Phone(414) 271-1116
Organization SubpartNo
Authorized OfficialKathleen Mary TrebianPresident/owner · (414) 271-1116
Enumeration DateAugust 11, 2006
Last NPPES UpdateNovember 27, 2007
✔ NPI 1891707873 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 · 33771-020
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.
2524 E WEBSTER PL, Milwaukee, WI 53211
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 52D0390467

Lakeside Ob/Gyn, Sc · Milwaukee, WI
Active · expires Aug 31, 2026
CLIA Number52D0390467
Laboratory TypePhysician Office
Certificate Effective DateSeptember 1, 2024
Certificate Expiration DateAugust 31, 2026
Laboratory DirectorKathleen M. Trebian, MD
Laboratory Phone(414) 271-1116
Laboratory LocationLakeside Ob/Gyn, Sc2524 E Webster Pl #303, Milwaukee, WI 53211
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Other Providers at the Same Location NPPES 18

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

JILL M BRESNAHAN MD
Pediatrics
2524 E WEBSTER PL, #301
MILWAUKEE, WI 53211
Milwaukee County (414) 272-7009
ELLEN HING MD
Pediatrics
2524 E WEBSTER PL, STE 301
MILWAUKEE, WI 53211
Milwaukee County (414) 272-7009
DORIS S JOHNSON-BROWNE PH.D.
Counselor (Professional)
2524 E WEBSTER PL, SUITE 203
MILWAUKEE, WI 53211
Milwaukee County (414) 964-9200
RYAN MILLER LPC, NCC
Counselor (Professional)
2524 E WEBSTER PL
MILWAUKEE, WI 53211
Milwaukee County (414) 964-9200
SHOREVIEW PEDIATRICS, S.C.
Pediatrics
2524 E WEBSTER PL, SUITE 301
MILWAUKEE, WI 53211
Milwaukee County (414) 272-7009
SARAH M HAMBROOK MD
Pediatrics
2524 E WEBSTER PL, #301
MILWAUKEE, WI 53211
Milwaukee County (414) 272-7009
JADE MARIE MUELLER PH.D.
Psychologist
2524 E WEBSTER PL, SUITE 203
MILWAUKEE, WI 53211
Milwaukee County (414) 964-9200
NECHA DEVORAH JACOB LPC
Counselor (Professional)
2524 E WEBSTER PL
MILWAUKEE, WI 53211
Milwaukee County (414) 388-5861

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 Lakeside Ob/Gyn, S.C.'s NPI number?

The NPI number for Lakeside Ob/Gyn, S.C. is 1891707873. It was assigned to this organization in the NPPES registry on August 11, 2006.

Where is Lakeside Ob/Gyn, S.C. located?

Lakeside Ob/Gyn, S.C. is located at 2524 E Webster Pl Suite 303, Milwaukee, WI 53211. The listed phone number is (414) 271-1116.

What is Lakeside Ob/Gyn, S.C.'s specialty?

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

Does Lakeside Ob/Gyn, S.C. hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 52D0390467) is associated with this NPI, valid through August 31, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Lakeside Ob/Gyn, S.C. was last updated on November 27, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.