Istvan Danko, MD PHD
NPI 1326015645 · Pediatric Gastroenterology Physician · Madison, WI
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Istvan Danko, MD PHD is a Pediatric Gastroenterology Physician provider in Madison, WI (NPI 1326015645).
Provider details
- NPI number
- 1326015645
- Entity type
- Individual
- Primary specialty
- Pediatric Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 39658 (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
- 2006-03-06
- Last updated
- 2021-12-09
- Certified
- 2021-12-09
Frequently asked questions
- What is Istvan Danko's NPI number?
- Istvan Danko's National Provider Identifier (NPI) is 1326015645, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Istvan Danko's specialty?
- Istvan Danko is listed in the NPPES registry with a primary specialty of Pediatric Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Istvan Danko located?
- Istvan Danko's practice location on file with NPPES is 600 Highland Ave, Madison, WI 53792-4108.
- What is Istvan Danko's phone number?
- The practice phone number listed in the NPPES registry for Istvan Danko is (608) 265-7740.
- Does Istvan Danko accept Medicare?
- Istvan Danko is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Istvan Danko's NPI active?
- Yes — Istvan Danko's NPI (1326015645) is active in the NPPES registry as of the last update on 2021-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.