DR. AARTHI ARASU MD
NPI 1326218249
Internal Medicine - Endocrinology, Diabetes & Metabolism in Torrance, CA
About Dr. Aarthi Arasu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AARTHI ARASU MD (NPI 1326218249) is an individual endocrinology, diabetes & metabolism provider in Torrance, California, licensed in California (A98764) and active in the NPI registry since March 2008. She is enrolled in Medicare PECOS and is a graduate of Other (2005).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Aarthi Arasu Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Aarthi Arasu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Torrance, CA 90505
- Reassigned Medicare billing, California enrollment
- 16 clinicians in this Medicare group
Los Angeles, CA 90095
- Reassigned Medicare billing, California enrollment
- 1,766 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 7
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90505 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TORRANCE, CA 90505
TORRANCE, CA 90505
TORRANCE, CA 90505
TORRANCE, CA 90505
TORRANCE, CA 90505
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Aarthi Arasu's NPI number?
The NPI number for Aarthi Arasu is 1326218249. It was assigned to this individual provider in the NPPES registry on March 6, 2008.
Where is Aarthi Arasu located?
Aarthi Arasu practices at 3445 Pacific Coast Hwy Ste 100, Torrance, CA 90505. The listed phone number is (310) 542-6333.
What is Aarthi Arasu's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.
Is Aarthi Arasu enrolled in Medicare?
Yes. Aarthi Arasu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Aarthi Arasu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Aarthi Arasu reassigns Medicare benefits to 2 organizations: Regents Of The University Of California (Torrance, CA) and The Regents Of The University Of California (Los Angeles, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Aarthi Arasu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Aarthi Arasu was last updated on January 3, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Aarthi Arasu, MD · NPI 1326218249
Endocrinology, Diabetes & Metabolism physician in Torrance, California. Individual provider, active in the CMS NPPES registry since March 6, 2008.
## Identity
- **NPI:** 1326218249 (Entity type: Individual)
- **Enumerated:** March 6, 2008
- **Primary specialty:** Internal Medicine - Endocrinology, Diabetes & Metabolism · taxonomy 207RE0101X
- **State license:** A98764 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3445 PACIFIC COAST HWY STE 100, Torrance, CA 90505-6659
- **Phone:** (310) 542-6333 · **Fax:** (310) 326-2236
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1366789307, Torrance, CA); The Regents Of The University Of California (NPI 1235107566, Los Angeles, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** January 3, 2020
- **Other identifiers:** Medicaid 1326218249 (CA); Other 1326218249 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1326218249) · Data from the CMS NPPES public registry.