Foxhall Internists,PC

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

XY9700163 Issued in DC

Legal business name

FOXHALL INTERNISTS,PC

Practice address

3301 New Mexico Ave NW
Suite 348
Washington, DC 20016-3622

Phone

(202) 362-4467

Fax

(202) 362-2303

NPI assigned

Aug 14, 2007

Reactivated

Mar 5, 2025

Organization subpart

No

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name

Dr. Alexander C Chester, M.D.NPI 1518989821

Title

President

Phone

(202) 362-4467

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in DC

Enrollment records 1

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

Practitioners 9

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Alexander C Chester III, M.D.

  • Internal Medicine Physician
  • Washington, DC
  • NPI 1518989821
  Medicare reassignment Authorized official
• John Anthony Dooley, MD

  • Internal Medicine Physician
  • Washington, DC
  • NPI 1467431155
  Medicare reassignment Care Compare group
• David M Hansen, M.D.

  • Internal Medicine Physician
  • Washington, DC
  • NPI 1770640526
  Medicare reassignment Care Compare group
• Lawrence E Klein, M.D.

  • Internal Medicine Physician
  • Washington, DC
  • NPI 1477615680
  Medicare reassignment Care Compare group
• Mary D Restifo, M.D.

  • Internal Medicine Physician
  • Washington, DC
  • NPI 1962421156
  Medicare reassignment Care Compare group
• Andrew N Umhau, M.D.

  • Internal Medicine Physician
  • Washington, DC
  • NPI 1336161645
  Medicare reassignment Care Compare group
• Sandra M Delistathis, MD

  • Internal Medicine Physician
  • Bethesda, MD
  • NPI 1023009974

  DC

  Medicare reassignment Care Compare group
• Beth L.P. Ungar, M.D.

  • Internal Medicine Physician
  • Washington, DC
  • NPI 1497774699
  Medicare reassignment
• Maryssa Mary Catherine Miller, MD

  • Internal Medicine Physician
  • Washington, DC
  • NPI 1881338853

  Single Specialty

  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1187049600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1741132800000",
    "number": "1922290931",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3301 NEW MEXICO AVE NW",
            "address_2": "SUITE 348",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200163622",
            "telephone_number": "202-362-4467",
            "fax_number": "202-362-2303"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3301 NEW MEXICO AVE NW",
            "address_2": "SUITE 348",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200163622",
            "telephone_number": "202-362-4467",
            "fax_number": "202-362-2303"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "FOXHALL INTERNISTS,PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-08-14",
        "last_updated": "2025-03-05",
        "deactivation_date": "2025-02-27",
        "reactivation_date": "2025-03-05",
        "status": "A",
        "authorized_official_last_name": "CHESTER",
        "authorized_official_first_name": "ALEXANDER",
        "authorized_official_middle_name": "C",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "202-362-4467",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "M.D."
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": "DC",
            "license": "XY9700163",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Niya Madinah Fox
• Stephen Charles Fox, M.D.
• Susan C Fox, LGPC
• William Richard Fox, MD
• John Foxen, MD
• Foxhall Medicine, PLLC
• Foxhall Pediatrics PC
• Foxhall Podiatry Associates, PC
• Foxhall Smiles PC
• Foxhall Surgical Ass

• Internal Medicine Physician in Washington, DC
• Providers in Washington, DC by specialty
• Internal Medicine Physician in District of Columbia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 5, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.