ANIRUDHA SWAMINATHAN RATHNAM MD
NPI 1700306537
Psychiatry & Neurology - Neurocritical Care in Orange, CA

Active since June 22, 2017PECOS EnrolledAccepts Medicare Assignment
101 THE CITY DR S, ORANGE, CA 92868(714) 456-8888 Get Directions Write a Review

NPPES record last updated: November 14, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 14, 2025, Oct 11, 2023, Nov 8, 2022 and 5 more (8 updates tracked since 2017).

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 and is a graduate of Wayne State University School Of Medicine (2017).

NPPES Registry Identity

NPI1700306537
Entity TypeIndividualFemale
Primary Taxonomy2084A2900X
Provider Legal NameANIRUDHA SWAMINATHAN RATHNAMCredential: MD
Location Address101 THE CITY DR SOrange, CA 92868-3201
Mailing Address101 The City Dr SOrange, CA 92868-3201 · (714) 456-7890
Sole ProprietorNo
Medical School CMSWayne State University School Of MedicineGraduated 2017
Enumeration DateJune 22, 2017
Last NPPES UpdateNovember 14, 20258 updates tracked since enumeration
NPPES CertifiedNovember 14, 2025
NPI 1700306537 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

Primary SpecialtyPsychiatry & Neurology · Neurocritical CareAllopathic & Osteopathic Physicians
Taxonomy Code2084A2900X
License Licensed in CA · 205575
Definition
The medical subspecialty of Neurocritical Care is devoted to the comprehensive, multisystem care of the critically-ill neurological patient. Like other intensivists, the neurointensivist generally assumes the primary role for coordinating the care of his or her patients in the ICU, both the neurological and medical management of the patient. They may also provide consultative services for these patients as requested within the health system.
Also ListedIndependent Medical ExaminerTaxonomy 202C00000X · License 4301113146 (MI)
Also ListedInternal Medicine · Hospice and Palliative MedicineTaxonomy 207RH0002X · License 63982 (AZ)
Also ListedPsychiatry & Neurology · Hospice and Palliative MedicineTaxonomy 2084H0002X · License 205575 (CA)
Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X · License 22942 (WI), 205575 (CA)
101 THE CITY DR S, Orange, CA 92868

Other Identifiers 1

Medicaid100211529WI

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID5991075996
PECOS Enrollment IDI20251202003718
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Radiology (Diagnostic Radiology)
101 THE CITY DR S
ORANGE, CA 92868
Obstetrics & Gynecology
101 THE CITY DR S, BUILDING 56, DEPARTMENT OF OB/GYN
ORANGE, CA 92868
Internal Medicine (Rheumatology)
101 THE CITY DR S
ORANGE, CA 92868
Plastic Surgery
101 THE CITY DR S
ORANGE, CA 92868
Emergency Medicine
101 THE CITY DR S, BUILDING 1A, ROOM 1009
ORANGE, CA 92868
Psychiatry & Neurology (Neurology)
101 THE CITY DR S, CITY TOWER, SUITE 400
ORANGE, CA 92868
Surgery (Trauma Surgery)
101 THE CITY DR S
ORANGE, CA 92868
Emergency Medicine
101 THE CITY DR S
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.

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 9 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.