npidexNPI registry + Medicare data

IOANNIS KARKATZOUNIS, MD

Hospitalist Physician · OSHKOSH, WI

Individual Active NPI 1639335235

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
2024386946$271,244$70,161$55,178
20234901,225$367,995$109,060$85,505
20227261,375$720,649$145,587$113,519

Top procedures (2024)

HCPCSDescriptionServicesAvg allowedAvg paid
99231Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes357$47$37
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes291$76$61
99222Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes121$126$97
99238Hospital discharge day management, 30 minutes or less89$76$58
99239Hospital discharge day management, more than 30 minutes54$110$88
99221Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes28$81$64

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Hospitalist Physician208M00000X✓036-120385IL
Internal Medicine Physician207R00000X2960WI
Internal Medicine Physician207R00000X036120385IL
Hospitalist Physician208M00000X2960WI

Medicare eligibility

Part B
Yes
DME
Yes
Home health
Yes
Power mobility
Yes
Hospice
Yes

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Source: NPPES (public domain) and CMS Medicare Physician & Other Practitioners data. Not affiliated with CMS, NPPES, or any government agency.