Joseph Mazza, MD
NPI 1609972116 · Hematology & Oncology Physician · Minocqua, WI
Joseph Mazza, MD is a Hematology & Oncology Physician provider in Minocqua, WI (NPI 1609972116).
Provider details
- NPI number
- 1609972116
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 16711 (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
- 2006-09-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is Joseph Mazza's NPI number?
- Joseph Mazza's National Provider Identifier (NPI) is 1609972116, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Mazza's specialty?
- Joseph Mazza is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Mazza located?
- Joseph Mazza's practice location on file with NPPES is 9601 Townline Rd, Minocqua, WI 54548.
- What is Joseph Mazza's phone number?
- The practice phone number listed in the NPPES registry for Joseph Mazza is (715) 387-5426.
- Is Joseph Mazza's NPI active?
- Yes — Joseph Mazza's NPI (1609972116) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.