What is Ilian Marquez's NPI number?

Ilian Marquez's National Provider Identifier (NPI) is 1710019906, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Ilian Marquez's specialty?

Ilian Marquez is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).

Where is Ilian Marquez located?

Ilian Marquez's practice location on file with NPPES is 301 S Fair Oaks Ave Ste 405, Pasadena, CA 91105-2562.

What is Ilian Marquez's phone number?

The practice phone number listed in the NPPES registry for Ilian Marquez is (626) 794-7075.

Does Ilian Marquez accept Medicare?

Ilian Marquez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Ilian Marquez's NPI active?

Yes — Ilian Marquez's NPI (1710019906) is active in the NPPES registry as of the last update on 2026-03-06.

IndividualActiveAccepts Medicare

Ilian Marquez, M.D.

NPI 1710019906 · Nephrology Physician · Pasadena, CA

Ilian Marquez, M.D. is a Nephrology Physician provider in Pasadena, CA (NPI 1710019906).

Provider details

NPI number: 1710019906
Entity type: Individual
Primary specialty: Nephrology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: No
License: A80500 (CA)

Practice location

301 S Fair Oaks Ave Ste 405

Pasadena, CA 91105-2562

Phone: (626) 794-7075

Fax: (626) 404-7545

Street-level locationGet directions

More CA providers

Mailing address

301 S Fair Oaks Ave Ste 405

Pasadena, CA 91105-2562

Specialties & taxonomies

Nephrology PhysicianPrimary207RN0300XLicense A80500 (CA)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(80/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure25% of score
19 yrs in NPPES registry
Profile completeness25% of score
100% of core fields populated
Practice footprint15% of score
1 documented practice location
Medicare service volume (vs. specialty peers)25% of score
1,387 Medicare services, 2024 (ranked within specialty)
Open Payments transparency10% of score
Has Open Payments disclosures (2024)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232	679	$81
Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960	208	$369
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	204	$98
Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961	77	$306
Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222	68	$135
Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223

What this provider prescribes (Medicare Part D)

Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.

Drug	Part D claims (2024)	Beneficiaries
Furosemide	190	55
Amlodipine Besylate	142	44
Sevelamer Carbonate	104	32
Losartan Potassium	76	24
Prednisone	73	11
Carvedilol	73	30
Dapagliflozin Propanediolbrand: Farxiga	62	11

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$603 across 19 records (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Enumerated: 2007-03-12
Last updated: 2026-03-06
Certified: 2026-03-06

Frequently asked questions

What is Ilian Marquez's NPI number?: Ilian Marquez's National Provider Identifier (NPI) is 1710019906, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Ilian Marquez's specialty?: Ilian Marquez is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
Where is Ilian Marquez located?: Ilian Marquez's practice location on file with NPPES is 301 S Fair Oaks Ave Ste 405, Pasadena, CA 91105-2562.
What is Ilian Marquez's phone number?: The practice phone number listed in the NPPES registry for Ilian Marquez is (626) 794-7075.
Does Ilian Marquez accept Medicare?: Ilian Marquez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Ilian Marquez's NPI active?: Yes — Ilian Marquez's NPI (1710019906) is active in the NPPES registry as of the last update on 2026-03-06.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232	679	$81
Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960	208	$369
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	204	$98
Dialysis Services, 2-3 Physician Visits Per Month (20 Years Or Older)90961	77	$306
Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222	68	$135
Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223

Drug

Part D claims (2024)

Beneficiaries

Furosemide

190

Amlodipine Besylate

142

Sevelamer Carbonate

104

Losartan Potassium

Prednisone

Carvedilol

Dapagliflozin Propanediolbrand: Farxiga

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$603 across 19 records (Open Payments 2024)

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)

What this provider prescribes (Medicare Part D)

Transparency — industry payments