Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. RADHA GIRIDHARAN M.D.
NPI 1952396574
Psychiatry & Neurology - Neurology in Brooklyn, NY

Active since September 20, 2005PECOS Enrolled
450 CLARKSON AVE, SUITE A, BROOKLYN, NY 11203(718) 270-2430(718) 270-3840 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Radha Giridharan M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RADHA GIRIDHARAN M.D. (NPI 1952396574) is an individual neurology provider in Brooklyn, New York, licensed in New York (144831-1) and active in the NPI registry since September 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1952396574
Entity TypeIndividualFemale
Primary Taxonomy2084N0400X
Provider Legal NameDR. RADHA GIRIDHARANCredential: M.D.
Location Address450 CLARKSON AVE, SUITE ABrooklyn, NY 11203-2056
Mailing Address450 Clarkson Ave, Box 1262Brooklyn, NY 11203-2056 · (718) 270-8867 · Fax (718) 270-1794
Fax(718) 270-3840
Sole ProprietorNo
Enumeration DateSeptember 20, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1952396574 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0400X
License Licensed in NY · 144831-1
Definition
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
450 CLARKSON AVE, Brooklyn, NY 11203

Other Identifiers 1

Medicaid00711082NY

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Radha Giridharan M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11203 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$154.28 typical visit price
range $67.40 – $203.53
Typical copayment $38.57 (range $16.85 – $50.88)
Most-billed visit code 99204
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Obstetrics & Gynecology
450 CLARKSON AVE
BROOKLYN, NY 11203
Internal Medicine (Gastroenterology)
450 CLARKSON AVE, SUITE A
BROOKLYN, NY 11203
Emergency Medicine
450 CLARKSON AVE
BROOKLYN, NY 11203
Student in an Organized Health Care Education/Training Program
450 CLARKSON AVE, SUNY DOWNSTATE MEDICAL CENTER
BROOKLYN, NY 11203
Internal Medicine (Pulmonary Disease)
450 CLARKSON AVE
BROOKLYN, NY 11203
Family Medicine
450 CLARKSON AVE, MSC 67
BROOKLYN, NY 11203
Emergency Medicine
450 CLARKSON AVE
BROOKLYN, NY 11203
Emergency Medicine
450 CLARKSON AVE
BROOKLYN, NY 11203

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 Radha Giridharan's NPI number?

The NPI number for Radha Giridharan is 1952396574. It was assigned to this individual provider in the NPPES registry on September 20, 2005.

Where is Radha Giridharan located?

Radha Giridharan practices at 450 Clarkson Ave Suite A, Brooklyn, NY 11203. The listed phone number is (718) 270-2430.

What is Radha Giridharan's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is Radha Giridharan enrolled in Medicare?

Yes. Radha Giridharan is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Radha Giridharan was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 days 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.