John Dominic Decarlo, M.D.
Ophthalmology Physician · Brookfield, WI
John Dominic Decarlo, M.D. is an ophthalmology physician with a practice address in Brookfield, Wisconsin, and NPI 1346204757, issued on Apr 13, 2006. Check the license (Wisconsin 21652-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- John Dominic Decarlo
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 21652-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 16650 W Bluemound RD # 400B, Brookfield, WI 53005
- Phone
- (414) 476-5120
- Enumerated
- Apr 13, 2006
- Record last updated
- Feb 19, 2024
- Fax
- (414) 476-5181
- Medicaid ID
- 30261600 WI
- Medicare enrollment
- Enrolled (PECOS I20100329001031); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 1974
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 441 in Wisconsin → Look up another NPI →
Verify John Dominic Decarlo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 21652-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average ophthalmology physician in 2024
580 Medicare Part D claims for 155 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.
Most prescribed
- Latanoprost227 claims
- Timolol Maleate71 claims
- Prednisolone Acetate57 claims
- Ciprofloxacin Hcl37 claims
- Brimonidine Tartrate21 claims
- Acyclovir16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
John Dominic Decarlo among 441 ophthalmology physician records in Wisconsin
John Dominic Decarlo, M.D. is one of 441 ophthalmology physician records with a practice address in Wisconsin. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 38% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1974 · median 2005 among the 259 with a school on file
- Record last updated2024 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Wisconsin
There are 441 ophthalmology physician records in Wisconsin.
All 441 in Wisconsin → Every provider in Brookfield → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Kathy Hwang, M.D.Brookfield, WI 530051548263817
- Kenneth Weinlander, MDBrookfield, WI 530051003233255
- M Thomas Chemotti, M.D.Cedarburg, WI 530121003885914
- Scott Moretti, MDHartford, WI 530271245254358
- Aaron Holtebeck, M.D.Brookfield, WI 530451760400147
- Ivan Ireland, MDBrookfield, WI 530451477687739
- Robin Wilson, M.D.Brookfield, WI 530451316930845
- Thomas Heyrman, M.D.Menomonee Falls, WI 530511063444255
Common questions
What is John Dominic Decarlo, M.D.'s NPI number?
John Dominic Decarlo, M.D.'s National Provider Identifier (NPI) is 1346204757, issued on Apr 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Dominic Decarlo, M.D. located?
The NPPES record lists a practice address at 16650 W Bluemound RD # 400B, Brookfield, WI, 53005. Phone: (414) 476-5120. Providers update this record themselves, so call before visiting.
How can I verify John Dominic Decarlo, M.D.'s license?
NPPES lists Wisconsin license number 21652-020, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Dominic Decarlo, M.D. prescribe under Medicare Part D?
In 2024, John Dominic Decarlo, M.D. had 580 Medicare Part D claims for 155 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.