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

DR. RAJIDIVYA VISWANATHAN MD
NPI 1154883197
Pediatrics - Pediatric Cardiology in Baltimore, MD

Q: What is Rajidivya Viswanathan's NPI number?

The NPI number for Rajidivya Viswanathan is 1154883197. It was assigned to this individual provider in the NPPES registry on April 1, 2019.

Q: What is Rajidivya Viswanathan's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Active since April 01, 2019PECOS Enrolled

22 S GREENE ST, BALTIMORE, MD 21201(410) 328-2427(410) 462-3137 Get Directions Write a Review

NPPES record last updated: October 16, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 16, 2026, Jan 28, 2026, Apr 1, 2019 (3 updates tracked since 2019).

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About Dr. Rajidivya Viswanathan Md NPPES

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

DR. RAJIDIVYA VISWANATHAN MD (NPI 1154883197) is an individual pediatric cardiology provider in Baltimore, Maryland, licensed in Maryland (D0093915) and active in the NPI registry since April 2019. She is enrolled in Medicare PECOS and is a graduate of Emory University School Of Medicine (2020).

NPPES Registry Identity

NPI1154883197

Entity TypeIndividualFemale

Primary Taxonomy2080P0202X

Provider Legal NameDR. RAJIDIVYA VISWANATHANCredential: MD

Location Address22 S GREENE STBaltimore, MD 21201-1590

Mailing Address22 S Greene StBaltimore, MD 21201-1590 · (410) 328-2427 · Fax (410) 462-3137

Phone(410) 328-2427

Fax(410) 462-3137

Sole ProprietorNo

Medical School CMSEmory University School Of MedicineGraduated 2020

Enumeration DateApril 1, 2019

Last NPPES UpdateOctober 16, 20263 updates tracked since enumeration

NPPES CertifiedOctober 16, 2026

✔ NPI 1154883197 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians

Taxonomy Code2080P0202X

License✔ Licensed in MD · D0093915

Definition

A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.

22 S GREENE ST, Baltimore, MD 21201

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Rajidivya Viswanathan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2264916790

PECOS Enrollment IDI20260323001025

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.

Medicare Billing Reassignment

Medicare enrollment records show Rajidivya Viswanathan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Phoenix Children's Medical Group

1,987 mi

Multi-Specialty

5131 E SOUTHERN AVE
Mesa, AZ 85206

Reassigned Medicare billing, Arizona enrollment
Medicare enrollment name: Phoenix Children's Hospital
1,416 clinicians in this Medicare group

NPI 1487814240 (602) 933-0002

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.

DR. LEONARD ANANG SOWAH M.D.

Internal Medicine

22 S GREENE ST
BALTIMORE, MD 21201

Baltimore City (410) 706-4619

VISHAL BHATNAGAR MD

Student in an Organized Health Care Education/Training Program

22 S GREENE ST, MEDICINE, N3E09
BALTIMORE, MD 21201

Baltimore City (410) 328-6110

NANCE J FOX P.A.-C

Physician Assistant (Medical)

22 S GREENE ST, G2K36
BALTIMORE, MD 21201

Baltimore City (410) 328-1170

HILARY TAMARA WOLF MD

Pediatrics (Adolescent Medicine)

22 S GREENE ST
BALTIMORE, MD 21201

Baltimore City (410) 328-7373

MS. LINDSAY BREAM O'MEARA CRNP

Nurse Practitioner (Acute Care)

22 S GREENE ST, SUITE S4D07
BALTIMORE, MD 21201

Baltimore City (410) 328-3365

NORA T OLIVER M.D., M.P.H.

Student in an Organized Health Care Education/Training Program

22 S GREENE ST, N3E09
BALTIMORE, MD 21201

Baltimore City (410) 328-5756

SHOSHANA JO WEINER

Internal Medicine

22 S GREENE ST
BALTIMORE, MD 21201

Baltimore City (617) 214-1332

JENNA VANLIERE CANZONIERO M.D.

Internal Medicine

22 S GREENE ST, N3E09
BALTIMORE, MD 21201

Baltimore City (410) 328-5756

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 Rajidivya Viswanathan's NPI number?

The NPI number for Rajidivya Viswanathan is 1154883197. It was assigned to this individual provider in the NPPES registry on April 1, 2019.

Where is Rajidivya Viswanathan located?

Rajidivya Viswanathan practices at 22 S Greene St, Baltimore, MD 21201. The listed phone number is (410) 328-2427.

What is Rajidivya Viswanathan's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Is Rajidivya Viswanathan enrolled in Medicare?

Yes. Rajidivya Viswanathan is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Rajidivya Viswanathan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rajidivya Viswanathan reassigns Medicare benefits to Phoenix Children's Medical Group (Mesa, AZ). 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 Rajidivya Viswanathan'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 Rajidivya Viswanathan was last updated on October 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.