What is Rex Manayan's specialty?

Rex Manayan (NPI 1649278599) is a Medicare-billing provider whose primary specialty is General Surgery in Ontario, CA.

Where does Rex Manayan practice?

Rex Manayan practices in Ontario, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1649278599.

How much does Medicare pay Rex Manayan?

Rex Manayan (NPI 1649278599) received approximately $898K in total Medicare Part B payments, serving 162 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1649278599

Rex ManayanM.D.

General SurgeryOntario, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

733

Unique beneficiaries

—

Total services

2,142

Distinct HCPCS

Medicare payment

$895K

Peer benchmark

Total Medicare services vs. 1,763 General Surgery providers in CA — top quintile (cohort median 269).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$111

Payment records

By payment type

Food and Beverage$111

Top paying entities

Food and Beverage$111

REFERRAL NETWORK

Where Rex Manayan'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). 10 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CRITTENDEN COUNTY HOSPITAL	56	352
James Clark Diagnostic Radiology · Hopkinsville, KY	32	98
FAMILY PRACTICE CLINIC PSC	22	153
Cyrus Chapman Diagnostic Radiology · Hopkinsville, KY	21	74
CRITTENDEN COUNTY HOSPITAL	21	243
BURKHART, STEPHEN	19	256
Joseph Drawdy Nurse Practitioner · Salem, KY	17	161
Jonathan Maddux Family Practice · Marion, KY	13	94
JAMES, GARY	12	110
LENNINGTON, WAYNE	11	24

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events