Quick answers
- Where does John D. Decarlo see patients?
- Medicare's clinician data lists 2 practice locations, including Brookfield, WI and Milwaukee, WI. Call before your visit to confirm the address.
- What is John D. Decarlo's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does John D. Decarlo accept Medicare assignment?
- Yes. Medicare's clinician data says John D. Decarlo accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for John D. Decarlo?
- (414) 476-5120, as listed in official Medicare / NPI Registry data.
- What is John D. Decarlo's NPI number?
- 1346204757. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where John D. Decarlo is enrolled with Medicare (CMS data updated 2026-10-02).
- 16650 W Bluemound Rd, 400bBrookfield, WI 53005 (414) 476‑5120
- 5000 W Chambers StMilwaukee, WI 53210 (414) 447‑2000
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Brookfield
Clinicians with the same Medicare primary specialty in Brookfield, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loyola University Of Chicago, Stritch School Of Medicine |
| Graduation year | 1974 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1346204757 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians