HEART CENTER OF SOUTHERN MARYLAND, L.L.P.
NPI 1669451175
Internal Medicine - Cardiovascular Disease in Waldorf, MD

Q: What is Heart Center Of Southern Maryland, L.L.P.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Active since January 12, 2006

3510 OLD WASHINGTON RD, SUITE 100, WALDORF, MD 20602(301) 870-6002(301) 843-7783 Get Directions Write a Review

NPPES record last updated: May 11, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Heart Center Of Southern Maryland, L.l.p. NPPES

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

HEART CENTER OF SOUTHERN MARYLAND, L.L.P. (NPI 1669451175) is a healthcare organization registered as a cardiovascular disease in Waldorf, Maryland and active in the NPI registry since January 2006. The organization lists Gopalakrishnan Srinivasan, Owner/m.d., as its authorized official.

NPPES Registry Identity

NPI1669451175

Entity TypeOrganization

Primary Taxonomy207RC0000X

Legal Business NameHEART CENTER OF SOUTHERN MARYLAND, L.L.P.

Location Address3510 OLD WASHINGTON RD, SUITE 100Waldorf, MD 20602-3233

Mailing Address3510 Old Washington Rd, Suite 100Waldorf, MD 20602-3233 · (301) 870-6002 · Fax (301) 843-7783

Phone(301) 870-6002

Fax(301) 843-7783

Organization SubpartNo

Authorized OfficialGopalakrishnan SrinivasanOwner/m.d. · (301) 932-5890

Enumeration DateJanuary 12, 2006

Last NPPES UpdateMay 11, 2026

NPPES CertifiedMay 11, 2026

✔ NPI 1669451175 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedInternal Medicine · Interventional CardiologyTaxonomy 207RI0011X

3510 OLD WASHINGTON RD, Waldorf, MD 20602

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Other Identifiers 3

OtherCC6769Railroad Medicare

OtherCJ4451Railroad Medicare

Medicaid040196000MD

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Heart Center Of Southern Maryland, L.l.p. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 3 clinicians reassign Medicare billing to Heart Center Of Southern Maryland, L.L.P., which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Vivek Nag, MD

Cardiovascular Disease (Cardiology)

NPI 1205817459

3510 OLD WASHINGTON ROAD SUITE 100
Waldorf, MD 20602

(301) 932-5890

✔ PECOS✔ Accepts MedicareSame address

Gopalakrishnan Srinivasan, MD

Cardiovascular Disease (Cardiology)

NPI 1740261924

3510 OLD WASHINGTON ROAD SUITE 100
Waldorf, MD 20602

(301) 932-5890

✔ PECOS✔ Accepts MedicareSame address

Srinivas Addala, M.D.

Interventional Cardiology

NPI 1447241872

9135 PISCATAWAY RD STE 210
Clinton, MD 20735

(301) 868-1380

✔ PECOS✔ Accepts Medicare10 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 Heart Center Of Southern Maryland, L.L.P.'s NPI number?

The NPI number for Heart Center Of Southern Maryland, L.L.P. is 1669451175. It was assigned to this organization in the NPPES registry on January 12, 2006.

Where is Heart Center Of Southern Maryland, L.L.P. located?

Heart Center Of Southern Maryland, L.L.P. is located at 3510 Old Washington Rd Suite 100, Waldorf, MD 20602. The listed phone number is (301) 870-6002.

What is Heart Center Of Southern Maryland, L.L.P.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Heart Center Of Southern Maryland, L.L.P. enrolled in Medicare?

Yes. Heart Center Of Southern Maryland, L.L.P. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Heart Center Of Southern Maryland, L.L.P.?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Heart Center Of Southern Maryland, L.L.P., in Cardiovascular Disease (Cardiology) and Interventional Cardiology. 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. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Heart Center Of Southern Maryland, L.L.P. was last updated on May 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.