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 1295797439

Donald BarberMD

Internal MedicineGlendale, CAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
2,591
Beneficiaries
—
Total drug cost
$225K
Distinct drugs
68
Brand share
21.5%
Top prescribed drugs
Atorvastatin Calcium191 claims
Rosuvastatin Calcium161 claims
Levothyroxine Sodium131 claims
Amlodipine Besylate109 claims
Metformin Hcl105 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
369
Unique beneficiaries
—
Total services
454
Distinct HCPCS
7
Medicare payment
$32K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 10,499 Internal Medicine providers in CA — below median (cohort median 531).
REFERRAL NETWORK

Where Donald Barber'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). 10 inbound referrers · 17 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
USC VERDUGO HILLS HOSPITAL, LLC73305
WESTERN HEALTH SCIENCES MEDICAL LAB3468
Craig Moritz
Diagnostic Radiology · Glendale, CA
32174
JOE, STANTON1937
WADE, CHRISTINA1731
John Honch
Dermatology · La Canada, CA
1729
Sameer Patel
Diagnostic Radiology · Glendale, CA
1583
NPI 14674421601124
VERDUGO HILLS HOME CARE INC1125
PASADENA HOSPITAL ASSOCIATION, LTD1140
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
USC VERDUGO HILLS HOSPITAL, LLC63173
Craig Moritz
Diagnostic Radiology · Glendale, CA
41239
WESTERN HEALTH SCIENCES MEDICAL LAB3992
CALIFORNIA LABORATORY SCIENCES LLC3561
Eric Lee
Cardiology · Glendale, CA
18136
Sameer Patel
Diagnostic Radiology · Glendale, CA
1668
John Honch
Dermatology · La Canada, CA
1524
PASADENA HOSPITAL ASSOCIATION, LTD1552
Ignacio Acosta
General Surgery · Glendale, CA
1446
STARK, MICHAEL1442
JOE, STANTON1321
GLENDALE ADVENTIST MEDICAL CENTER1330
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.