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FOXHALL MEDICINE, PLLC
NPI 1588914980
Internal Medicine - Cardiovascular Disease in Washington, DC

Active since September 12, 2012
3301 NEW MEXICO AVE NW, SUITE 202, WASHINGTON, DC 20016(202) 243-0271(202) 537-0075 Get Directions Write a Review

NPPES record last updated: November 3, 2016. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Foxhall Medicine, Pllc NPPES

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

FOXHALL MEDICINE, PLLC (NPI 1588914980) is a healthcare organization registered as a cardiovascular disease in Washington, District Of Columbia and active in the NPI registry since September 2012. The organization lists Joshua Shigeru Yamamoto, President, as its authorized official.

NPPES Registry Identity

NPI1588914980
Entity TypeOrganization
Primary Taxonomy207RC0000X
Legal Business NameFOXHALL MEDICINE, PLLC
Location Address3301 NEW MEXICO AVE NW, SUITE 202Washington, DC 20016-3622
Mailing Address3301 New Mexico Ave Nw, Suite 202Washington, DC 20016-3622 · (202) 243-0271 · Fax (202) 537-0075
Phone(202) 243-0271
Fax(202) 537-0075
Organization SubpartNo
Authorized OfficialJoshua Shigeru YamamotoPresident · (202) 243-0271
Enumeration DateSeptember 12, 2012
Last NPPES UpdateNovember 3, 2016
✔ NPI 1588914980 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ 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.
3301 NEW MEXICO AVE NW, Washington, DC 20016
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

Foxhall Medicine, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Foxhall Medicine, PLLC, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Joshua Yamamoto, M.D.
Cardiovascular Disease (Cardiology)
NPI 1639172174
3301 NEW MEXICO AVE NW STE 202
Washington, DC 20016
(202) 243-0271
✔ PECOSSame address
Kristin Yamamoto, M.D.
Internal Medicine
NPI 1083771778
3301 NEW MEXICO AVE NW SUITE 202
Washington, DC 20016
(202) 243-0271
✔ PECOSSame 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 Foxhall Medicine, PLLC's NPI number?

The NPI number for Foxhall Medicine, PLLC is 1588914980. It was assigned to this organization in the NPPES registry on September 12, 2012.

Where is Foxhall Medicine, PLLC located?

Foxhall Medicine, PLLC is located at 3301 New Mexico Ave NW Suite 202, Washington, DC 20016. The listed phone number is (202) 243-0271.

What is Foxhall Medicine, PLLC's specialty?

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

Is Foxhall Medicine, PLLC enrolled in Medicare?

Yes. Foxhall Medicine, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Foxhall Medicine, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Foxhall Medicine, PLLC, in Cardiovascular Disease (Cardiology) and Internal Medicine. 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 Foxhall Medicine, PLLC was last updated on November 3, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.