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 1528086964

Donna WalkerM.D.

PRACTICEMID-COUNTY HEMATOLOGY AND ONCOLOGY, A PROFESSIONAL MEDICAL CORPORATIONSee all providers at this practice →
Hematology-OncologyLompoc, CAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
375
Unique beneficiaries
—
Total services
1,091
Distinct HCPCS
3
Medicare payment
$80K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 957 Hematology-Oncology providers in CA — below median (cohort median 4,173).
PRESCRIBING · PART D · 2024
Total Rx claims
457
Beneficiaries
—
Total drug cost
$571K
Distinct drugs
21
Brand share
30.6%
Top prescribed drugs
Anastrozole104 claims
Dexamethasone32 claims
Prednisone27 claims
Potassium Chloride27 claims
Hydrocodone/Acetaminophen21 claims
QUALITY · MIPS · 2024
Final MIPS score
75.0
Quality
0.0
Cost
0.0
Improvement activities
0.0
Promoting interop.
0.0
Payment adjustment
0.00%
Group
REFERRAL NETWORK

Where Donna Walker'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). 31 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
LOMPOC VALLEY MEDICAL CENTER2985,632
Duard Enoch
Diagnostic Radiology · Oakland, CA
126641
David Mcaninch
Diagnostic Radiology · Lompoc, CA
118577
Pacific Diagnostic Laboratories
Clinical Laboratory · Santa Barbara, CA
102771
MACHIN, TOMAS41218
Faridi Sherieff
Podiatry · Lompoc, CA
37131
Pacific Point Laboratories, Inc.
Clinical Laboratory · San Luis Obispo, CA
3099
Dale Ekstrum
Family Practice · Lompoc, CA
29266
Christopher Lumsdaine
Family Practice · Lompoc, CA
29322
Bindu Kamal
Nephrology · Santa Barbara, CA
28207
American Medical Response West
Ambulance Service Provider · Buellton, CA
2568
Rahim Raoufi
Gastroenterology · Lompoc, CA
24187
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.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$129
Payment records
6
By payment type
Food and Beverage$129