caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI Query
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1144408832

David RitterM.D.

Internal MedicineSacramento, CAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 050108
Hospital
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$20
Payment records
1
By payment type
Food and Beverage$20
Top paying entities
Food and Beverage$20
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
343
Unique beneficiaries
—
Total services
508
Distinct HCPCS
4
Medicare payment
$46K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 10,499 Internal Medicine providers in CA — above median (cohort median 531).
REFERRAL NETWORK

Where David Ritter'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). 54 inbound referrers · 108 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Christine Chao
Interventional Radiology · Sacramento, CA
44172
Zi-Jian Xu
Cardiology · Sacramento, CA
43158
Hieu Huynh
Cardiology · Sacramento, CA
37108
NPI 129578745537115
Neelima Vallurupalli
Cardiology · Sacramento, CA
3373
Richard Axelrod
Cardiac Surgery · Sacramento, CA
3092
Scott Foster
Diagnostic Radiology · Sacramento, CA
2969
VETTER, WILLIAM2876
NPI 13060082482799
Soucheun Saechao
Internal Medicine · Sacramento, CA
2682
Alphaone Ambulance Medical Services Inc
Ambulance Service Provider · Sacramento, CA
2580
Hugh Mcswain
Diagnostic Radiology · San Francisco, CA
25116
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
SUTTER VALLEY HOSPITALS266598
Alphaone Ambulance Medical Services Inc
Ambulance Service Provider · Sacramento, CA
60183
Sutter Valley Medical Foundation
Clinical Laboratory · Sacramento, CA
57539
City Of Sacramento
Ambulance Service Provider · Sacramento, CA
50109
Ramya Mallareddy
Internal Medicine · Sacramento, CA
39132
Zi-Jian Xu
Cardiology · Sacramento, CA
3980
VETTER, WILLIAM3873
Richard Axelrod
Cardiac Surgery · Sacramento, CA
3580
Christine Chao
Interventional Radiology · Sacramento, CA
3481
SUTTER VISITING NURSE ASSOCIATION AND HOSPICE3488
NPI 12957874553479
Richard Ericson
Cardiology · Sacramento, CA
3485
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.