ARROYO NEPHROLOGY ASSOCIATES – NPI #1033490453
Internal Medicine

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

Health Care Provider Taxonomy Code for Internal Medicine

ARROYO NEPHROLOGY ASSOCIATES is a provider located in PASADENA, CA. NPPES has assigned the NPI number 1033490453 to ARROYO NEPHROLOGY ASSOCIATES on August 30, 2011. It is a Type-2 NPI, indicating this NPI number is associated with an organization. The primary taxonomy selected by this provider is 207RN0300X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Nephrology

The NPI profile was last updated on Mar 06, 2026. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for ARROYO NEPHROLOGY ASSOCIATES below.

NPI Profile for
ARROYO NEPHROLOGY ASSOCIATES

NPI Number
1033490453
Enumeration Date

(about 15 years ago)
Entity Type
Type-2  Organization
Organization health care providers may have a single employee or thousands of employees. An example is an incorporated individual who is an organization's only employee.
Legal Name
ARROYO NEPHROLOGY ASSOCIATES
Primary location
301 S FAIR OAKS AVE STE 405
PASADENA, CA 91105-2562
Phone: (626) 794-7075 Fax: (626) 404-7545
Mailing address
Same as primary location
Organization Subpart
No
Authorized Official
ASHOK SUNDER RAJ
PRESIDENT
Phone: (626) 794-7075
Updated
Certification Date
Mar 06, 2026

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207RN0300X
- Internal Medicine / Nephrology (Primary)		 CA A41453

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.