What is David Ritzow's specialty?

David Ritzow (NPI 1588617211) is a Medicare-billing provider whose primary specialty is Orthopedic Surgery in Appleton, WI.

Where does David Ritzow practice?

David Ritzow practices in Appleton, WI, based on the location reported in the CMS Medicare provider datasets for NPI 1588617211.

How much does Medicare pay David Ritzow?

David Ritzow (NPI 1588617211) received approximately $40K in total Medicare Part B payments, serving 125 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1588617211

David RitzowM.D.

PRACTICEVALLEY ORTHOPEDIC CLINIC SCSee all providers at this practice →

Orthopedic SurgeryAppleton, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

282

Unique beneficiaries

—

Total services

619

Distinct HCPCS

Medicare payment

$17K

Peer benchmark

Total Medicare services vs. 453 Orthopedic Surgery providers in WI — above median (cohort median 729).

PRESCRIBING · PART D · 2024

Total Rx claims

147

Beneficiaries

—

Total drug cost

$232

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Amoxicillin122 claims

Clindamycin Hcl25 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$67

Payment records

By payment type

Food and Beverage$67

Top paying entities

Food and Beverage$67

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 520160

Hospital

REFERRAL NETWORK

Where David Ritzow's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 3 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Kim Willison Nurse Practitioner · Appleton, WI	28	78
ASCENSION NE WISCONSIN, INC	22	52
Fvosa Surgical Partners, Llc Ambulatory Surgical Center · Appleton, WI	11	18

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events