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PROVIDER PROFILE · NPI 1255499323

Dale RitzoM.D.

Internal MedicineSan Mateo, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

CCN 053193
Home health agency
CCN 057190
Home health agency
CCN 058123
Home health agency
CCN 059551
Home health agency
CCN 050007
Hospital
PRESCRIBING · PART D · 2024
Total Rx claims
2,989
Beneficiaries
—
Total drug cost
$191K
Distinct drugs
69
Brand share
15.2%
Top prescribed drugs
Levothyroxine Sodium261 claims
Rosuvastatin Calcium231 claims
Amlodipine Besylate213 claims
Atorvastatin Calcium205 claims
Lorazepam163 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
767
Unique beneficiaries
—
Total services
986
Distinct HCPCS
10
Medicare payment
$81K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 10,499 Internal Medicine providers in CA — top quintile (cohort median 531).
QUALITY · MIPS · 2024
Final MIPS score
17.5
Quality
0.0
Cost
58.5
Improvement activities
0.0
Promoting interop.
0.0
Payment adjustment
-9.00%
Individual
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Dale Ritzo'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). 18 inbound referrers · 51 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Jeffrey Guttas
Cardiology · San Mateo, CA
4095
Harriet Borofsky
Diagnostic Radiology · San Mateo, CA
3577
WEBB, PETER31125
Avanti Ambekar
Diagnostic Radiology · San Mateo, CA
3061
ELLISTON, ROBERT25101
John Connolly
Urology · Burlingame, CA
2588
Clay Napper
Diagnostic Radiology · San Mateo, CA
2260
Susan Wolf
Dermatology · San Mateo, CA
2155
NPI 11442811062098
Michael Macdonald
Ophthalmology · San Mateo, CA
1726
Carie Chui
Dermatology · San Mateo, CA
1652
Robert Filer
Ophthalmology · San Mateo, CA
1531
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
MILLS-PENINSULA HEALTH SERVICES4073,412
Jeffrey Guttas
Cardiology · San Mateo, CA
47154
Avanti Ambekar
Diagnostic Radiology · San Mateo, CA
3993
MARCUS, DAVID3379
Arthur Li
Diagnostic Radiology · Burlingame, CA
3069
Diana Baker
Diagnostic Radiology · San Francisco, CA
2883
WEBB, PETER2896
Kelly Broderick
Diagnostic Radiology · San Mateo, CA
2876
Lenora Fung
Diagnostic Radiology · Burlingame, CA
2669
Harriet Borofsky
Diagnostic Radiology · San Mateo, CA
2559
ELLISTON, ROBERT25114
Dorra Sellami
Diagnostic Radiology · Burlingame, CA
2577
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.