Kathleen Trebian, M.D.
NPI 1326092693 · Obstetrics & Gynecology Physician · Milwaukee, WI
Kathleen Trebian, M.D. is a Obstetrics & Gynecology Physician provider in Milwaukee, WI (NPI 1326092693).
Provider details
- NPI number
- 1326092693
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- 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
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
- 2006-05-20
- Last updated
- 2020-04-01
- Certified
- 2020-04-01
Frequently asked questions
- What is Kathleen Trebian's NPI number?
- Kathleen Trebian's National Provider Identifier (NPI) is 1326092693, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathleen Trebian's specialty?
- Kathleen Trebian is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Kathleen Trebian located?
- Kathleen Trebian's practice location on file with NPPES is 2524 E Webster Pl Ste 303, Milwaukee, WI 53211-4268.
- What is Kathleen Trebian's phone number?
- The practice phone number listed in the NPPES registry for Kathleen Trebian is (414) 271-1116.
- Is Kathleen Trebian's NPI active?
- Yes — Kathleen Trebian's NPI (1326092693) is active in the NPPES registry as of the last update on 2020-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.