Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Ilian Orlando Marquez, MD

Individual provider Nephrology Physician · NPI 1710019906

Dr. Ilian Orlando Marquez, MD is a Nephrology in Pasadena, California. Graduated from University of Texas Medical School at San Antonio in 2001, 25 years ago. Practices with Arroyo Nephrology Associates, a 2-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
25
Trained at
University of Texas Medical School at San Antonio
Licensed in
CA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

301 S Fair Oaks Ave Ste 405
Pasadena, CA 91105-2562
Phone: (626) 794-7075
Fax: (626) 404-7545
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence A80500 (CA)

Record details

NPI number1710019906
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 12, 2007
Last updated in NPPESMarch 6, 2026
Certification dateMarch 6, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNEPHROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT SAN ANTONIO
Graduated 2001 (25 years in practice)
Group practice Arroyo Nephrology Associates — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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