PROVIDER PROFILE · NPI 1871529081

Sabina WallachM.D.

Hematology-OncologyLa Jolla, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,225

Unique beneficiaries

—

Total services

42,144

Distinct HCPCS

Medicare payment

$539K

Peer benchmark

Total Medicare services vs. 957 Hematology-Oncology providers in CA — top quintile (cohort median 4,173).

PRESCRIBING · PART D · 2024

Total Rx claims

903

Beneficiaries

—

Total drug cost

$824K

Distinct drugs

Brand share

26.0%

Top prescribed drugs

Levothyroxine Sodium97 claims

Anastrozole79 claims

Lorazepam41 claims

Warfarin Sodium36 claims

Apixaban36 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$2K

Payment records

By payment type

Food and Beverage$2K

Education$110

REFERRAL NETWORK

Where Sabina Wallach'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). 26 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	221	1,149
Marie Shieh Hematology-Oncology · San Diego, CA	62	594
Kent Thompson Diagnostic Radiology · Rancho Mirage, CA	38	96
Philip Hoang Diagnostic Radiology · La Jolla, CA	32	125
Stephen Moreland Diagnostic Radiology · San Diego, CA	31	70
Michael Kan Nuclear Medicine · La Jolla, CA	28	111
Paul Sylvan Diagnostic Radiology · Rancho Mirage, CA	26	54
Ratana Bhardwaj Diagnostic Radiology · San Diego, CA	25	58
Charles Liu Diagnostic Radiology · La Jolla, CA	24	81
Kevin Ishioka Diagnostic Radiology · La Jolla, CA	23	62
Matthew Lucks Cardiology · Alexandria, VA	22	123
REGENTS OF THE UNIVERSITY OF CALIFORNIA	22	229

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.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history