What is Zuzana Foster's specialty?

Zuzana Foster (NPI 1184621542) is a Medicare-billing provider whose primary specialty is Rheumatology in Walnut Creek, CA.

Where does Zuzana Foster practice?

Zuzana Foster practices in Walnut Creek, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1184621542.

How much does Medicare pay Zuzana Foster?

Zuzana Foster (NPI 1184621542) received approximately $640K in total Medicare Part B payments, serving 511 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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

Top paying entities

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events