Individual provider Active NPI

Shannon Tai, MD

  • Internal Medicine Physician
  • Arlington, VA
National Provider Identifier
1649832098
Registry record updated Jul 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
0101276465 Issued in VA
Practice address
3535 S Ball St Ste a
Arlington, VA 22202-4452
Phone
(630) 991-6991
NPI assigned
Jul 6, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 20, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 0101276465 VA Primary

Addresses

Primary practice location

3535 S Ball St Ste a
Arlington, VA 22202-4452

Mailing address

3535 S Ball St Ste a
Arlington, VA 22202-4452
Phone (703) 348-9111

Other practice location 1

500 Hospital Dr
Warrenton, VA 20186-3027
Phone (540) 316-5000

Other practice location 2

6200 N La Cholla Blvd
Tucson, AZ 85741-3529
Phone (520) 545-0571

Other practice location 3

1535 Slate Creek Rd
Grundy, VA 24614-6974
Phone (276) 935-1000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC, VA2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20251208003267 DC Practitioner - Internal Medicine 0749607364 Reassigns benefits to 2 organizations
I20260227001428 VA Practitioner - Internal Medicine 0749607364 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Ohio Valley Physicians IncGroup PAC ID 8729032966, 130 clinicians
Privia Medical Group, LLCGroup PAC ID 4385682061, 1,522 clinicians

Practice addresses (Care Compare)

1535 Slate Creek Rd
Grundy, VA 24614-6974
Phone (276) 935-1000

3535 S Ball St
Suite a
Arlington, VA 22202-4452
Phone (703) 348-9111

3535 S Ball STR a
Commonwealth Med Ctr
Arlington, VA 22202-4452
Phone (571) 366-8845

526 N Henry St
Alexandria, VA 22314-2233
Phone (703) 348-9111

7609 Richmond Hwy
Suite B
Alexandria, VA 22306-2847
Phone (703) 348-9111

9470 Annapolis Rd
Suite 309
Lanham, MD 20706-3022
Phone (202) 832-1800

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
0101276465VAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Emergency Medicine Associates, PA CurrentSince Nov 26, 2025 Accepting new patients
Emergency Medicine Associates P.a., P.C. Internal Medicine CurrentSince Nov 26, 2025 Accepting new patients
Emergency Medicine Associates P.a., P.C. Current Accepting new patients
Privia Medical Group, LLC CurrentSince Jan 3, 2026 Accepting new patients
Privia Medical Group, LLC Internal Medicine CurrentSince Jan 3, 2026 Accepting new patients
Accessible Physician Home Care, LLC Past Accepting new patients
Nova Physician Wellness Center PLLC Past Accepting new patients

Locations

9470 Annapolis Rd
Ste 309
Lanham, MD 20706
Phone (202) 832-1800

5876 Kingstowne Ctr
Ste 170
Alexandria, VA 22315
Phone (703) 783-3763

526 N Henry St
Alexandria, VA 22314
Phone (203) 348-8110

7609 Richmond Hwy
#B
Alexandria, VA 22306
Phone (703) 347-9440

3535 S Ball St
Ste A
Arlington, VA 22202
Phone (703) 558-4922

1701 N George Mason Dr
Arlington, VA 22205
Phone (703) 558-5000

9801 Patriot Hwy
Fredericksburg, VA 22407

6446 Trading Sq
Haymarket, VA 20169

8644 Sudley Rd
#220
Manassas, VA 20110

13820 Smoketown Rd
Woodbridge, VA 22192
Phone (703) 897-8400

Interoperability endpoints

  • FHIR API: https://api.platform.athenahealth.com/8042/brand/1/csg/1/fhir/r4

Organizations & group practices 8

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1562371200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784505600000",
    "number": "1649832098",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3535 S BALL ST STE A",
            "city": "ARLINGTON",
            "state": "VA",
            "postal_code": "222024452",
            "telephone_number": "703-348-9111",
            "fax_number": "703-888-3848"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3535 S BALL ST STE A",
            "city": "ARLINGTON",
            "state": "VA",
            "postal_code": "222024452",
            "telephone_number": "630-991-6991"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "500 Hospital Dr",
            "address_purpose": "LOCATION",
            "city": "Warrenton",
            "state": "VA",
            "postal_code": "201863027",
            "country_code": "US",
            "telephone_number": "540-316-5000",
            "fax_number": "540-316-5001",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6200 N La Cholla Blvd",
            "address_purpose": "LOCATION",
            "city": "Tucson",
            "state": "AZ",
            "postal_code": "857413529",
            "country_code": "US",
            "telephone_number": "520-545-0571",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1535 Slate Creek Rd",
            "address_purpose": "LOCATION",
            "city": "Grundy",
            "state": "VA",
            "postal_code": "246146974",
            "country_code": "US",
            "telephone_number": "276-935-1000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TAI",
        "first_name": "SHANNON",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-07-06",
        "last_updated": "2026-07-20",
        "certification_date": "2026-07-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "VA",
            "license": "0101276465",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Arlington, VA

Sources for this page

Verify at the official NPI Registry.