John Wiederholt, DMD
NPI 1336369073 · Dentist · Madison, WI
Enrolled with Medicare as Order and Referring Only - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Wiederholt, DMD is a Dentist provider in Madison, WI (NPI 1336369073).
Provider details
- NPI number
- 1336369073
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Credential
- DMD
- Sex
- Male
- Sole proprietor
- No
- License
- 21644 (MA)
Specialties & taxonomies
Dental Providers
Dental Providers
Dental Providers
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
- 2007-04-26
- Last updated
- 2011-10-04
Frequently asked questions
- What is John Wiederholt's NPI number?
- John Wiederholt's National Provider Identifier (NPI) is 1336369073, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Wiederholt's specialty?
- John Wiederholt is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is John Wiederholt located?
- John Wiederholt's practice location on file with NPPES is 3434 E. Washington Ave, Madison, WI 53704-4155.
- What is John Wiederholt's phone number?
- The practice phone number listed in the NPPES registry for John Wiederholt is (608) 443-5550.
- Does John Wiederholt accept Medicare?
- John Wiederholt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Wiederholt's NPI active?
- Yes — John Wiederholt's NPI (1336369073) is active in the NPPES registry as of the last update on 2011-10-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.