James J. Gatto, MD
Family Medicine Physician · Summit, WI
James J. Gatto, MD is a family medicine physician with a practice address in Summit, Wisconsin, and NPI 1932214020, issued on Aug 20, 2006. Check the license (Wisconsin 39797, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- James J. Gatto
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 39797 WI
Self-reported in NPPES; status is on the state search - Practice location
- 36500 Aurora Dr, Summit, WI 53066
- Phone
- (262) 434-5000
- Enumerated
- Aug 20, 2006
- Record last updated
- Jul 8, 2025
- Medicaid ID
- 32455600 WI
- Medicare enrollment
- Enrolled (PECOS I20100629000408); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 1995
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 36500 Aurora Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify James J. Gatto in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 39797Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.6 times the Medicare Part D claims of the average family medicine physician in 2024
12,786 Medicare Part D claims for 888 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 425 claims were for opioids.
Most prescribed
- Atorvastatin Calcium887 claims
- Lisinopril637 claims
- Amlodipine Besylate536 claims
- Levothyroxine Sodium481 claims
- Losartan Potassium364 claims
- Rosuvastatin Calcium311 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.
Bills Medicare through one group practice
- Aurora Medical Group, Inc.Summit, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
7 family medicine physician records list a practice address in Summit
They are 7 of the 250 NPPES records with a practice address in Summit, and 3,765 family medicine physician records in Wisconsin.
All 7 in Summit → All 3,765 in Wisconsin → Every provider in Summit →
Other family medicine physician records in Wisconsin
- Ashraf AbbasAppleton, WI1558723775
- Ghudran Abdulal, MDNew Berlin, WI1083622666
- Yusuf Abdullah, DOSun Prairie, WI1437788478
- Vanessa Abejuela-Matt, D.O.Mount Pleasant, WI1558687749
- Emily Abeyta, MDWaukesha, WI1386905107
- Jeanette Abraham, MDWeston, WI1205895810
- Sarada Abraham, M.D.Oconomowoc, WI1962851972
- Kirsten Abramson, MDMadison, WI1417909979
- Alexandra Adams, MD PHDMadison, WI1184689291
- David AdamsMadison, WI1992986897
Common questions
What is James J. Gatto, MD's NPI number?
James J. Gatto, MD's National Provider Identifier (NPI) is 1932214020, issued on Aug 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James J. Gatto, MD located?
The NPPES record lists a practice address at 36500 Aurora Dr, Summit, WI, 53066. Phone: (262) 434-5000. Providers update this record themselves, so call before visiting.
How can I verify James J. Gatto, MD's license?
NPPES lists Wisconsin license number 39797, 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 James J. Gatto, MD prescribe under Medicare Part D?
In 2024, James J. Gatto, MD had 12,786 Medicare Part D claims for 888 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.