npidexNPI registry + Medicare data

MARK RIDDER, M.D.

Infectious Disease Physician · MARSHFIELD, WI

Individual Active NPI 1821542739

Medicare payment data Part B · 2024

YearBeneficiariesServicesSubmittedAllowedPaid
20242901,024$472,960$101,102$79,587
2023240753$336,075$75,795$60,220
2022205793$316,031$73,838$58,332

Top procedures (2024)

HCPCSDescriptionServicesAvg allowedAvg paid
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes464$73$58
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes159$110$86
99223Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes156$160$127
99214Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more95$90$69
99222Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes47$121$94
99214Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more36$91$73
99215Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more14$134$107

Taxonomy & licensure

SpecialtyCodePrimaryLicenseState
Infectious Disease Physician207RI0200X✓68148WI

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.