What is Ilian Marquez's specialty?

Ilian Marquez (NPI 1710019906) is a Medicare-billing provider whose primary specialty is Nephrology in Pasadena, CA.

Where does Ilian Marquez practice?

Ilian Marquez practices in Pasadena, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1710019906.

How much does Medicare pay Ilian Marquez?

Ilian Marquez (NPI 1710019906) received approximately $173K in total Medicare Part B payments, serving 329 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1710019906

Ilian MarquezM.D.

NephrologyPasadena, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

524

Unique beneficiaries

—

Total services

1,387

Distinct HCPCS

Medicare payment

$167K

Peer benchmark

Total Medicare services vs. 985 Nephrology providers in CA — below median (cohort median 1,482).

PRESCRIBING · PART D · 2024

Total Rx claims

1,624

Beneficiaries

—

Total drug cost

$252K

Distinct drugs

Brand share

18.3%

Top prescribed drugs

Furosemide190 claims

Amlodipine Besylate142 claims

Sevelamer Carbonate104 claims

Losartan Potassium76 claims

Prednisone73 claims

QUALITY · MIPS · 2024

Final MIPS score

75.0

Quality

15.0

Cost

79.2

Improvement activities

0.0

Promoting interop.

0.0

Payment adjustment

0.00%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$1K

Payment records

By payment type

Food and Beverage$1K

Top paying entities

Food and Beverage$1K

REFERRAL NETWORK

Where Ilian Marquez'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). 39 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Ashok Sunder Raj Nephrology · Pasadena, CA	164	920
PASADENA HOSPITAL ASSOCIATION, LTD	151	454
Warren Lam Diagnostic Radiology · Pasadena, CA	77	245
Unilab Corporation Clinical Laboratory · West Hills, CA	74	305
SPECTRA LABORATORIES INC	61	240
Andy Wang Diagnostic Radiology · Pasadena, CA	51	128
PROVIDENCE HEALTH SYSTEM - SOUTHERN CALIFORNIA	41	181
Richard Reed Diagnostic Radiology · Pasadena, CA	40	96
Babak Yaghmai Diagnostic Radiology · Pasadena, CA	37	109
City Of Pasadena Ambulance Service Provider · Pasadena, CA	34	97
Christopher Hedley Diagnostic Radiology · Pasadena, CA	33	84
Heather Moreno Diagnostic Radiology · Pasadena, CA	33	63

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