Joan Gnadt, M.D.
NPI 1003915570 · Cardiovascular Disease Physician · Milwaukee, WI
Enrolled with Medicare as Order and Referring Only - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joan Gnadt, M.D. is a Cardiovascular Disease Physician provider in Milwaukee, WI (NPI 1003915570).
Provider details
- NPI number
- 1003915570
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 28835 (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
- 2006-09-21
- Last updated
- 2021-09-22
- Certified
- 2021-09-22
Frequently asked questions
- What is Joan Gnadt's NPI number?
- Joan Gnadt's National Provider Identifier (NPI) is 1003915570, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joan Gnadt's specialty?
- Joan Gnadt is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Joan Gnadt located?
- Joan Gnadt's practice location on file with NPPES is 5000 W National Ave, Milwaukee, WI 53295-0001.
- What is Joan Gnadt's phone number?
- The practice phone number listed in the NPPES registry for Joan Gnadt is (414) 384-2000.
- Does Joan Gnadt accept Medicare?
- Joan Gnadt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joan Gnadt's NPI active?
- Yes — Joan Gnadt's NPI (1003915570) is active in the NPPES registry as of the last update on 2021-09-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.