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 1649247602

Bonnie BalzerMD

PRACTICENORTHERN CALIFORNIA ANESTHESIASee all providers at this practice →
PathologySan Francisco, CAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
QUALITY · MIPS · 2024
Final MIPS score
89.1
Quality
84.8
Cost
73.2
Improvement activities
40.0
Promoting interop.
99.0
Payment adjustment
0.60%
Group
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
2,645
Unique beneficiaries
—
Total services
4,524
Distinct HCPCS
19
Medicare payment
$269K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,209 Pathology providers in CA — top quintile (cohort median 1,423).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Bonnie Balzer'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). 52 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Donny Mehrabi
Dermatology · Glendale, CA
165344
Path Md, Inc.
Clinical Laboratory · Los Angeles, CA
150175
Unilab Corporation
Clinical Laboratory · West Hills, CA
143260
Robert Seltzer
Specialist · Pasadena, CA
108435
Leonard Kim
Dermatology · Los Angeles, CA
7591
Rachel Abuav
Dermatology · Beverly Hills, CA
55124
David Frishberg
Pathology · West Hollywood, CA
5159
Thomas Learch
Diagnostic Radiology · West Hollywood, CA
4695
Michael Lin
Dermatology · Sherman Oaks, CA
45108
Susan Rabizadeh
Dermatology · Beverly Hills, CA
3877
Katherine Haker
Diagnostic Radiology · Los Angeles, CA
3559
Richard Essner
Surgical Oncology · Santa Monica, CA
34208
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.