Nikolaos Chatzizacharias, MD, PHD, FRCS
NPI 1871049072 · Surgical Oncology Physician · Wauwatosa, WI
Nikolaos Chatzizacharias, MD, PHD, FRCS is a Surgical Oncology Physician provider in Wauwatosa, WI (NPI 1871049072).
Provider details
- NPI number
- 1871049072
- Entity type
- Individual
- Primary specialty
- Surgical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD, PHD, FRCS
- Sex
- Male
- Sole proprietor
- No
- License
- 65018-20 (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
9 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
- 2016-08-28
- Last updated
- 2016-08-28
Frequently asked questions
- What is Nikolaos Chatzizacharias's NPI number?
- Nikolaos Chatzizacharias's National Provider Identifier (NPI) is 1871049072, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nikolaos Chatzizacharias's specialty?
- Nikolaos Chatzizacharias is listed in the NPPES registry with a primary specialty of Surgical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Nikolaos Chatzizacharias located?
- Nikolaos Chatzizacharias's practice location on file with NPPES is 9200 West Wisconsin Avenue, Wauwatosa, WI 53226-3596.
- What is Nikolaos Chatzizacharias's phone number?
- The practice phone number listed in the NPPES registry for Nikolaos Chatzizacharias is (414) 805-5020.
- Is Nikolaos Chatzizacharias's NPI active?
- Yes — Nikolaos Chatzizacharias's NPI (1871049072) is active in the NPPES registry as of the last update on 2016-08-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.