A RIVERA MEDICAL SERVICES LLC
NPI 1205879079
Internal Medicine in Falls Church, VA

Q: What is A Rivera Medical Services LLC's NPI number?

The NPI number for A Rivera Medical Services LLC is 1205879079. It was assigned to this organization in the NPPES registry on June 13, 2006.

Q: What is A Rivera Medical Services LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Active since June 13, 2006

6319 CASTLE PL, STE 1 E, FALLS CHURCH, VA 22044(703) 532-1222 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 7, 2023, Aug 22, 2020 (2 updates tracked since 2020).

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About A Rivera Medical Services Llc NPPES

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

A RIVERA MEDICAL SERVICES LLC (NPI 1205879079) is a healthcare organization registered as an internal medicine in Falls Church, Virginia and active in the NPI registry since June 2006. The organization lists Antonio R Rivera, Ceo, as its authorized official.

NPPES Registry Identity

NPI1205879079

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameA RIVERA MEDICAL SERVICES LLC

Location Address6319 CASTLE PL, STE 1 EFalls Church, VA 22044-1907

Mailing Address6319 Castle Pl, Ste 1 EFalls Church, VA 22044-1907 · (703) 532-1222

Phone(703) 532-1222

Organization SubpartNo

Authorized OfficialAntonio R RiveraCeo · (703) 532-1222

Enumeration DateJune 13, 2006

Last NPPES UpdateMarch 7, 20232 updates tracked since enumeration

✔ NPI 1205879079 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in VA · 0101230403

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

6319 CASTLE PL, Falls Church, VA 22044

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Other Identifiers 1

OtherCS9911050DC · Cds

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 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)

A Rivera Medical Services Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to A Rivera Medical Services LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Antonio Rivera, M.D.

Internal Medicine

NPI 1649212978

6319 CASTLE PL STE 1 E
Falls Church, VA 22044

(703) 532-1222

✔ PECOS✔ Accepts MedicareSame address

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 A Rivera Medical Services LLC's NPI number?

The NPI number for A Rivera Medical Services LLC is 1205879079. It was assigned to this organization in the NPPES registry on June 13, 2006.

Where is A Rivera Medical Services LLC located?

A Rivera Medical Services LLC is located at 6319 Castle Pl Ste 1 E, Falls Church, VA 22044. The listed phone number is (703) 532-1222.

What is A Rivera Medical Services LLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is A Rivera Medical Services LLC enrolled in Medicare?

Yes. A Rivera Medical Services LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through A Rivera Medical Services LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to A Rivera Medical Services LLC. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for A Rivera Medical Services LLC was last updated on March 7, 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.