What is Onsi Habeeb El-Zayat's specialty?

Onsi Habeeb El-Zayat (NPI 1033205554) is a Medicare-billing provider whose primary specialty is Psychiatry in Anaheim, CA.

Where does Onsi Habeeb El-Zayat practice?

Onsi Habeeb El-Zayat practices in Anaheim, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1033205554.

How much does Medicare pay Onsi Habeeb El-Zayat?

Onsi Habeeb El-Zayat (NPI 1033205554) received approximately $35K in total Medicare Part B payments, serving 28 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1033205554

Onsi Habeeb El-ZayatM.D.

PsychiatryAnaheim, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

339

Distinct HCPCS

Medicare payment

$35K

Peer benchmark

Total Medicare services vs. 2,213 Psychiatry providers in CA — above median (cohort median 203).

PRESCRIBING · PART D · 2024

Total Rx claims

358

Beneficiaries

—

Total drug cost

$32K

Distinct drugs

Brand share

32.4%

Top prescribed drugs

Olanzapine74 claims

Divalproex Sodium45 claims

Quetiapine Fumarate39 claims

Lithium Carbonate25 claims

Clozapine23 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 050744

Hospital

REFERRAL NETWORK

Where Onsi Habeeb El-Zayat'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 · 4 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ANAHEIM GLOBAL MEDICAL CENTER, INC	23	34

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
ANAHEIM GLOBAL MEDICAL CENTER, INC	29	52
Joey Santos Internal Medicine · Anaheim, CA	16	34
Falck Mobile Health Corp Ambulance Service Provider · Orange, CA	16	39
Jose Gamboa Psychiatry · Anaheim, CA	12	25

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