Drs. Massaro & Kalenak S C
NPI 1558482364 · Ophthalmology Physician · Milwaukee, WI
Drs. Massaro & Kalenak S C is a Ophthalmology Physician organization in Milwaukee, WI (NPI 1558482364).
Provider details
- NPI number
- 1558482364
- Entity type
- Organization
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Bruce Massaro, Doctor(414) 266-4488
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
- 2007-04-02
- Last updated
- 2020-04-20
- Certified
- 2020-04-20
Frequently asked questions
- What is Drs. Massaro & Kalenak S C's NPI number?
- Drs. Massaro & Kalenak S C's National Provider Identifier (NPI) is 1558482364, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Drs. Massaro & Kalenak S C?
- Drs. Massaro & Kalenak S C is classified in the NPPES registry as Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Drs. Massaro & Kalenak S C located?
- Drs. Massaro & Kalenak S C's practice location on file with NPPES is 2600 N Mayfair Rd, Milwaukee, WI 53226-1309.
- What is Drs. Massaro & Kalenak S C's phone number?
- The practice phone number listed in the NPPES registry for Drs. Massaro & Kalenak S C is (414) 266-4488.
- Who is the authorized official for Drs. Massaro & Kalenak S C?
- The authorized official listed on Drs. Massaro & Kalenak S C's NPPES record is Bruce Massaro, Doctor. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Drs. Massaro & Kalenak S C's NPI active?
- Yes — Drs. Massaro & Kalenak S C's NPI (1558482364) is active in the NPPES registry as of the last update on 2020-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.