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 1215136957

Donald Harwick

Physician AssistantCalifornia City, 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.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$17
Payment records
1
By payment type
Food and Beverage$17
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (3)

CCN 757415
Home health agency
CCN 050455
Hospital
CCN 051301
Hospital
MEDICARE UTILIZATION · PART B · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
2,173
Beneficiaries
—
Total drug cost
$126K
Distinct drugs
58
Brand share
16.9%
Top prescribed drugs
Atorvastatin Calcium163 claims
Lisinopril144 claims
Amlodipine Besylate144 claims
Omeprazole129 claims
Albuterol Sulfate91 claims
REFERRAL NETWORK

Where Donald Harwick'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). 4 inbound referrers · 9 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
ADVENTIST HEALTH MEDICAL CENTER TEHACHAPI50211
Maria O'brien
Family Practice · Leonardtown, MD
2661
ANTELOPE VALLEY HEALTH CARE DISTRICT1349
Tod Sijan
Physician Assistant · Hayden, ID
1128
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
ADVENTIST HEALTH MEDICAL CENTER TEHACHAPI99727
ADVENTIST HEALTH MEDICAL CENTER TEHACHAPI79441
Maria O'brien
Family Practice · Leonardtown, MD
2870
Pacific Point Laboratories, Inc.
Clinical Laboratory · San Luis Obispo, CA
1967
ANTELOPE VALLEY HEALTH CARE DISTRICT1648
Edward Nichols
Internal Medicine · Bakersfield, CA
1335
Thuong Vo
Internal Medicine · Lancaster, CA
1354
Harmandeep Gill
Diagnostic Radiology · Lancaster, CA
1224
Hall Ambulance Service Inc
Ambulance Service Provider · Bakersfield, CA
1130
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.