Individual provider Active NPI

Thomas Paul Ehrlich, MD

  • Family Medicine Physician
  • Fairfax, VA
National Provider Identifier
1447244181
Registry record updated Apr 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
0101046955 Issued in VA
Practice address
3650 Joseph Siewick Dr
Suite 400
Fairfax, VA 22033-1710
Phone
(703) 391-2020
Fax
(703) 391-1211
NPI assigned
Sep 8, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 17, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 0101046955 VA Primary

Addresses

Primary practice location

3650 Joseph Siewick Dr
Suite 400
Fairfax, VA 22033-1710

Mailing address

3650 Joseph Siewick Dr Ste 400
Fairfax, VA 22033-1715
Phone (703) 391-2020

Other identifiers 2

IdentifierTypeStateIssuer
05622531MedicaidVA
080182894OtherVARR MEDICARE

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address tehrlich28778@soc.inova.org Health Information Exchange (HIE) Inova Physician Partners, LLC

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in VA, DC2 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
I20101014000323 VA Practitioner - Family Practice 4981896529 Reassigns benefits to 1 organization
I20120305000222 DC Practitioner - Family Practice 4981896529 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Georgetown University School of Medicine, 1990
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Inova Physician Partners LLCGroup PAC ID 2466581772, 258 clinicians

Practice addresses (Care Compare)

3650 Joseph Siewick Dr
Suite 101
Fairfax, VA 22033-1700
Phone (703) 391-2020

Hospital & facility affiliations

  • Inova Home Health LLC Home health agency, Fairfax, VA, CCN 497008
  • Inova Fair Oaks Hospital Hospital, Fairfax, VA, CCN 490101
  • Inova Fairfax Hospital Hospital, Falls Church, VA, CCN 490063

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
0101046955VAMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Privia Medical Group, LLC Family Medicine CurrentSince Jun 15, 2015 Accepting new patients
Privia Medical Group, LLC CurrentSince Jun 15, 2015 Accepting new patients
Inova Physician Partners, LLC Family Medicine CurrentSince Jun 23, 2020 Accepting new patients
Bestpractices, Inc. Past Accepting new patients
Inova Physician Partners, Inc. - Specialists Past Accepting new patients
Bestpractices, Inc. Past Accepting new patients

Locations

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

20905 Professional Plz
Ste 330
Ashburn, VA 20147
Phone (703) 726-0003

3914 Centreville Rd
Ste 250
Chantilly, VA 20151
Phone (703) 435-1223

3650 Joseph Siewick Dr
Ste 400
Fairfax, VA 22033
Phone (703) 391-2020

3650 Joseph Siewick Dr
Ste 101
Fairfax, VA 22033
Phone (703) 391-0900

3300 Gallows Rd
Falls Church, VA 22042
Phone (703) 352-9395

740 E Main St
Purcellville, VA 20132
Phone (540) 338-4995

115 Park St SE
Ste 300
Vienna, VA 22180
Phone (703) 255-9100

Interoperability endpoints

  • Direct secure messaging: tehrlich28778@soc.inova.org

Organizations & group practices 6

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 4

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": "1126137600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776384000000",
    "number": "1447244181",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3650 JOSEPH SIEWICK DR STE 400",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220331715",
            "telephone_number": "703-391-2020",
            "fax_number": "703-391-1211"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3650 JOSEPH SIEWICK DR",
            "address_2": "SUITE 400",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220331710",
            "telephone_number": "703-391-2020",
            "fax_number": "703-391-1211"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "EHRLICH",
        "first_name": "THOMAS",
        "middle_name": "PAUL",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-08",
        "last_updated": "2026-04-17",
        "certification_date": "2026-04-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "VA",
            "license": "0101046955",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "05622531",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RR MEDICARE",
            "identifier": "080182894",
            "state": "VA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "tehrlich28778@soc.inova.org",
            "affiliation": "Y",
            "endpointDescription": "Health Information Exchange",
            "affiliationName": "Inova Physician Partners, LLC",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCDA",
            "address_1": "3650 Joseph Siewick Dr",
            "address_2": "Suite 400",
            "city": "Fairfax",
            "state": "VA",
            "country_code": "US",
            "postal_code": "220331710",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Fairfax, VA

Sources for this page

Verify at the official NPI Registry.