OrganizationActive
Oncology Alliance, S.c.
NPI 1598743577 · Oncology Clinic/Center · Wauwatosa, WI
Oncology Alliance, S.c. is a Oncology Clinic/Center organization in Wauwatosa, WI (NPI 1598743577).
Provider details
- NPI number
- 1598743577
- Entity type
- Organization
- Primary specialty
- Oncology Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Mike Koroscik, Coo(414) 906-4400
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
Detailed profile(91/100 index)
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
1055 N Mayfair Rd
Ste 200
Wauwatosa, WI 53226-3436
Phone: (414) 906-4467
Street-level locationGet directions
Mailing address
1055 N Mayfair Rd
Wauwatosa, WI 53226-3436
Registry dates
- Enumerated
- 2006-01-09
- Last updated
- 2007-11-15
Frequently asked questions
- What is Oncology Alliance, S.c.'s NPI number?
- Oncology Alliance, S.c.'s National Provider Identifier (NPI) is 1598743577, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Oncology Alliance, S.c.?
- Oncology Alliance, S.c. is classified in the NPPES registry as Oncology Clinic/Center (Ambulatory Health Care Facilities).
- Where is Oncology Alliance, S.c. located?
- Oncology Alliance, S.c.'s practice location on file with NPPES is 1055 N Mayfair Rd, Wauwatosa, WI 53226-3436.
- What is Oncology Alliance, S.c.'s phone number?
- The practice phone number listed in the NPPES registry for Oncology Alliance, S.c. is (414) 906-4467.
- Who is the authorized official for Oncology Alliance, S.c.?
- The authorized official listed on Oncology Alliance, S.c.'s NPPES record is Mike Koroscik, Coo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Oncology Alliance, S.c.'s NPI active?
- Yes — Oncology Alliance, S.c.'s NPI (1598743577) is active in the NPPES registry as of the last update on 2007-11-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.