Thomas Hanzlik, M.D
NPI 1235586702 · Hematology & Oncology Physician · Madison, WI
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Hanzlik, M.D is a Hematology & Oncology Physician provider in Madison, WI (NPI 1235586702).
Provider details
- NPI number
- 1235586702
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- R75583 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1501 N Campbell Ave6th Floor, Room 6408Tucson, AZ 85724-0001Phone: (520) 626-2761
Registry dates
- Enumerated
- 2016-05-15
- Last updated
- 2022-08-04
- Certified
- 2022-08-04
Frequently asked questions
- What is Thomas Hanzlik's NPI number?
- Thomas Hanzlik's National Provider Identifier (NPI) is 1235586702, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Hanzlik's specialty?
- Thomas Hanzlik is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Hanzlik located?
- Thomas Hanzlik's practice location on file with NPPES is 1211 Fish Hatchery Rd, Madison, WI 53715-1909.
- What is Thomas Hanzlik's phone number?
- The practice phone number listed in the NPPES registry for Thomas Hanzlik is (608) 252-8000.
- Does Thomas Hanzlik accept Medicare?
- Thomas Hanzlik is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Hanzlik's NPI active?
- Yes — Thomas Hanzlik's NPI (1235586702) is active in the NPPES registry as of the last update on 2022-08-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.