ANIRUDHA SWAMINATHAN RATHNAM MD
NPI 1700306537
Psychiatry & Neurology - Neurocritical Care in Orange, CA
About Anirudha Swaminathan Rathnam Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANIRUDHA SWAMINATHAN RATHNAM MD (NPI 1700306537) is an individual neurocritical care provider in Orange, California, licensed in California (205575) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Wayne State University School Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses 5
Secondary Practice Locations 2
Other Identifiers 1
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
Anirudha Swaminathan Rathnam 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 Reassignment
Medicare enrollment records show Anirudha Rathnam reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Orange, CA 92868
- Reassigned Medicare billing, California enrollment
- 135 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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ORANGE, CA 92868
ORANGE, CA 92868
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 Anirudha Rathnam's NPI number?
The NPI number for Anirudha Rathnam is 1700306537. It was assigned to this individual provider in the NPPES registry on June 22, 2017.
Where is Anirudha Rathnam located?
Anirudha Rathnam practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 456-8888.
What is Anirudha Rathnam's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurocritical Care, with taxonomy code 2084A2900X.
Is Anirudha Rathnam enrolled in Medicare?
Yes. Anirudha Rathnam 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 organization bills Medicare for Anirudha Rathnam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anirudha Rathnam reassigns Medicare benefits to Regents Of The University Of Claifornia Univ Neursciences (Orange, CA). The 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 Anirudha Rathnam'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 Anirudha Rathnam was last updated on November 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.
# Anirudha Swaminathan Rathnam, MD · NPI 1700306537
Neurocritical Care physician in Orange, California. Individual provider, active in the CMS NPPES registry since June 22, 2017.
## Identity
- **NPI:** 1700306537 (Entity type: Individual)
- **Enumerated:** June 22, 2017
- **Primary specialty:** Psychiatry & Neurology - Neurocritical Care · taxonomy 2084A2900X
- **State license:** 205575 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 101 THE CITY DR S, Orange, CA 92868-3201
- **Phone:** (714) 456-8888
## 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:** Regents Of The University Of Claifornia Univ Neursciences (NPI 1205884210, Orange, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wayne State University School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** November 14, 2025
- **Other identifiers:** Medicaid 100211529 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1700306537) · Data from the CMS NPPES public registry.