Nicholas H. Tosi, MD
Retina Specialist (Ophthalmology) Physician · Milwaukee, WI
Nicholas H. Tosi, MD is a retina specialist (ophthalmology) physician with a practice address in Milwaukee, Wisconsin, and NPI 1891924650, issued on Jul 14, 2009. Check the license (Wisconsin 63729, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Nicholas H. Tosi
- Credential
- MD
- Primary taxonomy
- Retina Specialist (Ophthalmology) Physician 207WX0107X
- License number
- 63729 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2600 N Mayfair RD Ste 901, Milwaukee, WI 53226
- Phone
- (414) 774-3484
- Enumerated
- Jul 14, 2009
- Record last updated
- Mar 7, 2023
- Fax
- (414) 778-3446
- Medicaid ID
- 100044825 WI
- Medicare enrollment
- Enrolled (PECOS I20150611000046); accepts Medicare assignment
- Medical or professional school
- Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 2009
- Entity
- Type 1 · individual
8 nearest retina specialist (ophthalmology) physician records → All 27 in Wisconsin → Look up another NPI →
Also registered at 2600 N Mayfair RD Ste 901
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Razek Georges Coussa, MDCM, MPHIL, MENGRetina Specialist (Ophthalmology) Physician1700362522
- Kevin Elwood, MDRetina Specialist (Ophthalmology) Physician1083243802
- Jonathan Hershey, M.D.Retina Specialist (Ophthalmology) Physician1811992563
- Lincoln ShawRetina Specialist (Ophthalmology) Physician1003347584
Verify Nicholas H. Tosi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 63729Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average retina specialist (ophthalmology) physician in 2024
1,460 Medicare Part D claims for 398 beneficiaries, against an average of 620 among the 1,449 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.
Most prescribed
- Prednisolone Acetate469 claims
- Latanoprost289 claims
- Ondansetron Odt156 claims
- Ketorolac Tromethamine151 claims
- Brimonidine Tartrate125 claims
- Timolol Maleate90 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $676.50
7 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 1,253 providers of this specialty with any payment received $7,667.49 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Retina And Vitreous Consultants OF WI, Ltd.Milwaukee, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nicholas H. Tosi among 27 retina specialist (ophthalmology) physician records in Wisconsin
Nicholas H. Tosi, MD is one of 27 retina specialist (ophthalmology) physician records with a practice address in Wisconsin. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 48% of them.
- NPI issued2009 · 48% of these records are older, 48% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 85% of these records are
- Graduated2009 · median 2011 among the 23 with a school on file
- Record last updated2023 · 26% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0107X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Retina Specialist (Ophthalmology) Physician providers in Wisconsin
There are 27 retina specialist (ophthalmology) physician records in Wisconsin.
All 27 in Wisconsin → Every provider in Milwaukee → Retina Specialist (Ophthalmology) Physician nationwide →
The 8 retina specialist (ophthalmology) physician records with the nearest ZIP codes
- Jennifer Adeghate, MD, PHDMilwaukee, WI 532261437655891
- Razek Georges Coussa, MDCM, MPHIL, MENGMilwaukee, WI 532261700362522
- Kevin Elwood, MDMilwaukee, WI 532261083243802
- Jonathan Hershey, M.D.Milwaukee, WI 532261811992563
- Christopher Langlo, MD, PHDMilwaukee, WI 532261841796430
- Sharath Raja, M.D.Milwaukee, WI 532261417953829
- Lincoln ShawMilwaukee, WI 532261003347584
- Olufemi Adams, MDGreenfield, WI 532211235792946
Common questions
What is Nicholas H. Tosi, MD's NPI number?
Nicholas H. Tosi, MD's National Provider Identifier (NPI) is 1891924650, issued on Jul 14, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas H. Tosi, MD located?
The NPPES record lists a practice address at 2600 N Mayfair RD Ste 901, Milwaukee, WI, 53226. Phone: (414) 774-3484. Providers update this record themselves, so call before visiting.
How can I verify Nicholas H. Tosi, MD's license?
NPPES lists Wisconsin license number 63729, 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 Nicholas H. Tosi, MD prescribe under Medicare Part D?
In 2024, Nicholas H. Tosi, MD had 1,460 Medicare Part D claims for 398 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. Part D covers Medicare prescriptions only.
What is Nicholas H. Tosi, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.