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CARDIOLOGY & INTERNAL MEDICINE, PA
NPI 1558472407
Clinic/Center - Medical Specialty in Chevy Chase, MD

Active since August 31, 2006
5454 WISCONSIN AVE, SUITE 925, CHEVY CHASE, MD 20815(301) 657-1682(301) 951-8036 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Cardiology & Internal Medicine, Pa NPPES

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

CARDIOLOGY & INTERNAL MEDICINE, PA (NPI 1558472407) is a healthcare organization registered as a medical specialty in Chevy Chase, Maryland and active in the NPI registry since August 2006. The organization lists Joseph Anthony Vassallo, President, as its authorized official.

NPPES Registry Identity

NPI1558472407
Entity TypeOrganization
Primary Taxonomy261QM2500X
Legal Business NameCARDIOLOGY & INTERNAL MEDICINE, PA
Location Address5454 WISCONSIN AVE, SUITE 925Chevy Chase, MD 20815-6901
Mailing Address5454 Wisconsin Ave, Suite 925Chevy Chase, MD 20815-6901 · (301) 657-1682 · Fax (301) 951-8036
Phone(301) 657-1682
Fax(301) 951-8036
Organization SubpartNo
Authorized OfficialJoseph Anthony VassalloPresident · (301) 657-1682
Enumeration DateAugust 31, 2006
Last NPPES UpdateAugust 22, 2020
✔ NPI 1558472407 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Medical SpecialtyAmbulatory Health Care Facilities
Taxonomy Code261QM2500X
Definition
An entity, facility, or distinct part of a facility providing diagnostic, treatment, and prescriptive services related to a specific area of medical specialization. Frequently used for Title V related Children's Specialty services or to meet specific public health needs (e.g., infectious diseases or breast and cervical cancer).
5454 WISCONSIN AVE, Chevy Chase, MD 20815
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Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Cardiology & Internal Medicine, Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

7

Medicare enrollment records show 7 clinicians reassign Medicare billing to Cardiology & Internal Medicine, PA, which bills Medicare for the services they deliver. Of these, 5 practice at this address and 6 within 10 miles. They are listed nearest first.

Clinicians, nearest first (7)

Sean Dwyer, M.D.
Cardiovascular Disease (Cardiology)
NPI 1346248044
5454 WISCONSIN AVE SUITE 925
Chevy Chase, MD 20815
(301) 657-1682
✔ PECOS✔ Accepts MedicareSame address
Barry Talesnick, M.D.
Cardiovascular Disease (Cardiology)
NPI 1518964410
5454 WISCONSIN AVE SUITE 925
Chevy Chase, MD 20815
(301) 657-1682
✔ PECOS✔ Accepts MedicareSame address
Miriam Fishman, M.D.
Cardiovascular Disease (Cardiology)
NPI 1891953212
5454 WISCONSIN AVE SUITE 925
Chevy Chase, MD 20815
(301) 656-9070
✔ PECOS✔ Accepts MedicareSame address
Morton Kavalier, M.D.
Cardiovascular Disease (Cardiology)
NPI 1508863440
5454 WISCONSIN AVE SUITE 925
Chevy Chase, MD 20815
(301) 657-1682
✔ PECOSSame address
Joseph Vassallo, M.D.
Cardiovascular Disease (Cardiology)
NPI 1932106846
5454 WISCONSIN AVE SUITE 925
Chevy Chase, MD 20815
(301) 657-1682
✔ PECOS✔ Accepts MedicareSame address
Jiayi Wu, DNP, CRNP
Nurse Practitioner
NPI 1124856984
5530 WISCONSIN AVE
Chevy Chase, MD 20815
(301) 656-9070
✔ PECOS✔ Accepts Medicare0.2 mi
Melissa Myers, NP
Nurse Practitioner
NPI 1073694485
3580 JOSEPH SIEWICK DR STE 305
Fairfax, VA 22033
(703) 648-3266
✔ PECOS✔ Accepts Medicare17 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Cardiology & Internal Medicine, PA's NPI number?

The NPI number for Cardiology & Internal Medicine, PA is 1558472407. It was assigned to this organization in the NPPES registry on August 31, 2006.

Where is Cardiology & Internal Medicine, PA located?

Cardiology & Internal Medicine, PA is located at 5454 Wisconsin Ave Suite 925, Chevy Chase, MD 20815. The listed phone number is (301) 657-1682.

What is Cardiology & Internal Medicine, PA's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Medical Specialty, with taxonomy code 261QM2500X.

Is Cardiology & Internal Medicine, PA enrolled in Medicare?

Yes. Cardiology & Internal Medicine, PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Cardiology & Internal Medicine, PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 7 clinicians in 2 Medicare specialties reassign their Medicare billing to Cardiology & Internal Medicine, PA. A 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 the clinician's services. The largest specialties are Cardiovascular Disease (Cardiology) (5) and Nurse Practitioner (2). Of these, 5 practice at this address and 6 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Cardiology & Internal Medicine, PA was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.