Mario Kapetsonis, M.D.
Family Medicine Physician · Milwaukee, WI
Mario Kapetsonis, M.D. is a family medicine physician with a practice address in Milwaukee, Wisconsin, and NPI 1306833991, issued on Sep 29, 2005. Check the license (Wisconsin 43438, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mario Kapetsonis
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 43438 WI
Self-reported in NPPES; status is on the state search - Practice location
- 734 N Jackson St, Milwaukee, WI 53202
- Phone
- (414) 277-6500
- Enumerated
- Sep 29, 2005
- Record last updated
- Jan 10, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (414) 224-1365
- Medicaid ID
- 34283400 WI
- Medicare enrollment
- Enrolled (PECOS I20060331000152); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,765 in Wisconsin → Look up another NPI →
Also registered at 734 N Jackson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Ryan, PTPhysical Therapist1346770591
Verify Mario Kapetsonis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 43438Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% more Medicare Part D claims than the average family medicine physician in 2024
5,027 Medicare Part D claims for 474 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 169 claims were for opioids.
Most prescribed
- Atorvastatin Calcium387 claims
- Amlodipine Besylate310 claims
- Losartan Potassium134 claims
- Metoprolol Succinate127 claims
- Pantoprazole Sodium123 claims
- Lisinopril119 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): 75.8 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: $27.62
1 payment: food and beverage; the largest payer was Exact Sciences Corporation. The 55,478 providers of this specialty with any payment received $902.55 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
- Columbia St Marys Hospital Milwaukee IncShorewood, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mario Kapetsonis among 3,765 family medicine physician records in Wisconsin
Mario Kapetsonis, M.D. is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1998 · median 2007 among the 2,347 with a school on file
- Record last updated2012 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
299 family medicine physician records list a practice address in Milwaukee
They are 299 of the 18,389 NPPES records with a practice address in Milwaukee, and 3,765 family medicine physician records in Wisconsin.
All 3,765 in Wisconsin → Every provider in Milwaukee → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Thomas Gahl, MDMilwaukee, WI 532021942535711
- Mary Kuder, MDMilwaukee, WI 532021962932970
- Kristin Magliocco, MDMilwaukee, WI 532021679004980
- Patrick McGrath, D.O.Milwaukee, WI 532021598761983
- William Palin, M.D.Milwaukee, WI 532021104171586
- Tatiana Petrikova, M.D.Milwaukee, WI 532021528313061
- Craig Reich, MDMilwaukee, WI 532021396857561
- Geoffrey Swain, M.D.Milwaukee, WI 532021861663007
Common questions
What is Mario Kapetsonis, M.D.'s NPI number?
Mario Kapetsonis, M.D.'s National Provider Identifier (NPI) is 1306833991, issued on Sep 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mario Kapetsonis, M.D. located?
The NPPES record lists a practice address at 734 N Jackson St, Milwaukee, WI, 53202. Phone: (414) 277-6500. Providers update this record themselves, so call before visiting.
How can I verify Mario Kapetsonis, M.D.'s license?
NPPES lists Wisconsin license number 43438, 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 Mario Kapetsonis, M.D. prescribe under Medicare Part D?
In 2024, Mario Kapetsonis, M.D. had 5,027 Medicare Part D claims for 474 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Mario Kapetsonis, M.D.'s MIPS final score?
The 2023 MIPS final score is 75.8 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.