PROVIDER PROFILE · NPI 1184621542

Zuzana FosterM.D.

RheumatologyWalnut Creek, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,315

Unique beneficiaries

—

Total services

23,307

Distinct HCPCS

Medicare payment

$584K

Peer benchmark

Total Medicare services vs. 530 Rheumatology providers in CA — top quintile (cohort median 1,833).

PRESCRIBING · PART D · 2024

Total Rx claims

3,382

Beneficiaries

—

Total drug cost

$673K

Distinct drugs

Brand share

22.7%

Top prescribed drugs

Prednisone415 claims

Hydroxychloroquine Sulfate365 claims

Hydrocodone/Acetaminophen272 claims

Meloxicam241 claims

Tramadol Hcl229 claims

QUALITY · MIPS · 2024

Final MIPS score

89.8

Quality

86.1

Cost

80.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.62%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$2K

Payment records

By payment type

Food and Beverage$2K

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (5)

Hospital

Hospital

Hospital

Hospital

Hospital

REFERRAL NETWORK

Where Zuzana Foster'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). 1 inbound referrers · 7 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Rajiv Dixit Rheumatology · Walnut Creek, CA	13	50

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Laboratory Corporation Of America Clinical Laboratory · San Diego, CA	96	284
JOHN MUIR HEALTH	58	145
Unilab Corporation Clinical Laboratory · Sacramento, CA	39	109
SAN RAMON REGIONAL MEDICAL CENTER, LLC	34	117
JOHN MUIR HEALTH	16	19
Rajiv Dixit Rheumatology · Walnut Creek, CA	13	67
Michael Martinucci Diagnostic Radiology · Oakland, CA	11	16

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