PROVIDER PROFILE · NPI 1801993944

John ZdralMD

OphthalmologyFullerton, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,491

Unique beneficiaries

—

Total services

3,099

Distinct HCPCS

Medicare payment

$280K

Peer benchmark

Total Medicare services vs. 2,144 Ophthalmology providers in CA — above median (cohort median 1,859).

PRESCRIBING · PART D · 2024

Total Rx claims

3,560

Beneficiaries

—

Total drug cost

$380K

Distinct drugs

Brand share

33.6%

Top prescribed drugs

Latanoprost1,245 claims

Dorzolamide Hcl/Timolol Maleat596 claims

Brimonidine Tartrate392 claims

Timolol Maleate310 claims

Brimonidine Tartrate99 claims

QUALITY · MIPS · 2024

Final MIPS score

89.0

Quality

97.8

Cost

66.3

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.59%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$39

Payment records

By payment type

Food and Beverage$39

REFERRAL NETWORK

Where John Zdral'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
ST JUDE HOSPITAL INC	306	838
Victor Lee Pathology · Oceanside, CA	170	378
Unilab Corporation Clinical Laboratory · West Hills, CA	72	163
Lynnus Peng Anesthesiology · Fullerton, CA	22	58
Scott Grant Ophthalmology · Fullerton, CA	22	46
UNGER, PHILLIP	21	30
Eugene Byun Cardiology · Fullerton, CA	20	32
William Batty Internal Medicine · Fullerton, CA	18	25
David Ruckman Internal Medicine · Fullerton, CA	18	40
GALLIGAN, DONALD	17	37
Daniel Landa Internal Medicine · Fullerton, CA	17	61
Samuel Maxwell Diagnostic Radiology · Fullerton, CA	17	19

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