James Mataczynski, MD
NPI 1285613109 · Family Medicine Physician · Mount Pleasant, WI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Mataczynski, MD is a Family Medicine Physician provider in Mount Pleasant, WI (NPI 1285613109).
Provider details
- NPI number
- 1285613109
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 31067 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
- 2006-01-10
- Last updated
- 2015-04-22
Frequently asked questions
- What is James Mataczynski's NPI number?
- James Mataczynski's National Provider Identifier (NPI) is 1285613109, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Mataczynski's specialty?
- James Mataczynski is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Mataczynski located?
- James Mataczynski's practice location on file with NPPES is 3805b Spring St, Mount Pleasant, WI 53405-1641.
- What is James Mataczynski's phone number?
- The practice phone number listed in the NPPES registry for James Mataczynski is (262) 634-6679.
- Does James Mataczynski accept Medicare?
- James Mataczynski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Mataczynski's NPI active?
- Yes — James Mataczynski's NPI (1285613109) is active in the NPPES registry as of the last update on 2015-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.