Kathleen Marquart, M.D.
NPI 1851563837 · Pediatrics Physician · Greenfield, WI
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathleen Marquart, M.D. is a Pediatrics Physician provider in Greenfield, WI (NPI 1851563837).
Provider details
- NPI number
- 1851563837
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 54348 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1836 South AveLa Crosse, WI 54601-5429Phone: (608) 782-7300
Registry dates
- Enumerated
- 2008-03-30
- Last updated
- 2024-04-08
- Certified
- 2024-04-08
Frequently asked questions
- What is Kathleen Marquart's NPI number?
- Kathleen Marquart's National Provider Identifier (NPI) is 1851563837, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathleen Marquart's specialty?
- Kathleen Marquart is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Kathleen Marquart located?
- Kathleen Marquart's practice location on file with NPPES is 9000 W Sura Ln, Greenfield, WI 53228-3477.
- What is Kathleen Marquart's phone number?
- The practice phone number listed in the NPPES registry for Kathleen Marquart is (414) 246-6800.
- Does Kathleen Marquart accept Medicare?
- Kathleen Marquart is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathleen Marquart's NPI active?
- Yes — Kathleen Marquart's NPI (1851563837) is active in the NPPES registry as of the last update on 2024-04-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.