RAMASWAMY VISWANATHAN M.D.
NPI 1215986831
Psychiatry & Neurology - Addiction Medicine in Brooklyn, NY

Active since May 09, 2006PECOS EnrolledAccepts Medicare Assignment
93.49/100
CMS Quality Rating
450 CLARKSON AVE, BROOKLYN, NY 11203(718) 270-2352(718) 270-3355 Get Directions Write a Review

NPPES record last updated: March 27, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Ramaswamy Viswanathan M.d. NPPES

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

RAMASWAMY VISWANATHAN M.D. (NPI 1215986831) is an individual addiction medicine provider in Brooklyn, New York, licensed in New York (130329) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1972).

NPPES Registry Identity

NPI1215986831
Entity TypeIndividualMale
Primary Taxonomy2084A0401X
Provider Legal NameRAMASWAMY VISWANATHANCredential: M.D.
Location Address450 CLARKSON AVEBrooklyn, NY 11203-2056
Mailing Address450 Clarkson AveBrooklyn, NY 11203-2056 · (718) 270-2352 · Fax (718) 270-3355
Fax(718) 270-3355
Sole ProprietorNo
Medical School CMSOtherGraduated 1972
Enumeration DateMay 9, 2006
Last NPPES UpdateMarch 27, 2023
NPPES CertifiedMarch 27, 2023
NPI 1215986831 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPsychiatry & Neurology · Addiction MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2084A0401X
License Licensed in NY · 130329
Definition
A doctor of osteopathy board eligible/certified in the field of Psychiatry by the American Osteopathic Board of Neurology and Psychiatry is able to obtain a Certificate of Added Qualifications in the field of Addiction Medicine
Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License 130329 (NY)
450 CLARKSON AVE, Brooklyn, NY 11203

Other Identifiers 5

Other0013680NY · Ghi
Other35996NY · Blue Shield
Medicaid02365960NY
OtherKS589NY · Oxford Health Insurance
Other147581NY · Valueoptions

Accepted Insurance

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

Ramaswamy Viswanathan M.d. 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 ID1951323088
PECOS Enrollment IDI20060103000629
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.

Areas of Expertise CMS Part B claims 3

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.

Psychotherapy with evaluation and management visit, 30 minutes 90833
Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.
103 services12 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
84 services13 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
55 services11 patients

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.

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.

93.49/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality72.62
Promoting Interoperability90.58
Improvement Activities40

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 Ramaswamy Viswanathan's NPI number?

The NPI number for Ramaswamy Viswanathan is 1215986831. It was assigned to this individual provider in the NPPES registry on May 9, 2006.

Where is Ramaswamy Viswanathan located?

Ramaswamy Viswanathan practices at 450 Clarkson Ave, Brooklyn, NY 11203. The listed phone number is (718) 270-2352.

What is Ramaswamy Viswanathan's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Addiction Medicine, with taxonomy code 2084A0401X.

Is Ramaswamy Viswanathan enrolled in Medicare?

Yes. Ramaswamy Viswanathan 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.

What insurance does Ramaswamy Viswanathan accept?

Health plans from Providence Health Plan list Ramaswamy Viswanathan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ramaswamy Viswanathan was last updated on March 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.