Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Ashok Sunder Raj, MD

Individual provider Nephrology Physician · NPI 1093744070

Dr. Ashok Sunder Raj, MD is a Nephrology in Pasadena, California. Qualified in 1976, 50 years ago. Practices with Arroyo Nephrology Associates, a 2-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
50
Licensed in
CA
In the registry since
2006
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 A41453 (CA)

Record details

NPI number1093744070
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 1, 2006
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 schoolOTHER
Graduated 1976 (50 years in practice)
Group practice Arroyo Nephrology Associates — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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