Steven M Karp, M.D.

Primary specialty

Pain Medicine (Anesthesiology) PhysicianTaxonomy code 207LP2900X

License

0101048118 Issued in VA

Practice address

3600 Joseph Siewick Dr
Fairfax, VA 22033-1709

Phone

(703) 391-3129

NPI assigned

Jul 12, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 6

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in VA, DC, MD3 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 3

Specialty

Anesthesiology

Education

Wake Forest University School of Medicine, 1988

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Inova Cares - CommunityGroup PAC ID 9537526330, 187 clinicians

Old Dominion Anesthesia LLCGroup PAC ID 8820462765, 57 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Inova Fair Oaks Hospital Hospital, Fairfax, VA, CCN 490101

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: skarp60646@soc.inova.org

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.

• Inova Cares - Community

  • Anesthesiology Physician
  • Fairfax, VA
  • NPI 1861131906

  DC

  Medicare reassignment Care Compare group NPD
• Old Dominion Anesthesia LLC

  • Anesthesiology Physician
  • Charlottesville, VA
  • NPI 1902248677

  DC

  Medicare reassignment Care Compare group NPD
• American Anesthesiology of Virginia PC

  • Anesthesiology Physician
  • Falls Church, VA
  • NPI 1417994872

  DC

  Medicare reassignment NPD
• Northstar Anesthesia of Virginia, LLC

  • Anesthesiology Physician
  • Alexandria, VA
  • NPI 1194488791

  DC

  Medicare reassignment NPD
• North American Partners in Anesthesia Maryland LLC

  • Anesthesiology Physician
  • Prince Frederick, MD
  • NPI 1093707879

  DC

  Medicare reassignment NPD
• American Anesthesiology of Virginia, PC

  • Anesthesiology Physician
  • Leesburg, VA
  • NPI 1053675199
  NPD
• LH Anesthesia Services LLC

  • Anesthesiology Physician
  • Richmond, VA
  • NPI 1427303023
  NPD (past)
• Spectrum Anesthesia Services LLC

  • Anesthesiology Physician
  • Richmond, VA
  • NPI 1720223209
  NPD (past)

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

• Inova Health Care Services

  • General Acute Care Hospital
  • Fairfax, VA
  • NPI 1760513980
  Care Compare affiliation

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

{
    "created_epoch": "1152662400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771372800000",
    "number": "1790700805",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3998 FAIR RIDGE DR STE 300",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220332907",
            "telephone_number": "703-766-9737",
            "fax_number": "703-766-9725"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3600 JOSEPH SIEWICK DR",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220331709",
            "telephone_number": "703-391-3129"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4660 Kenmore Ave Ste 100",
            "address_purpose": "LOCATION",
            "city": "Alexandria",
            "state": "VA",
            "postal_code": "223041306",
            "country_code": "US",
            "telephone_number": "703-751-5763",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3028 Javier Rd Ste 400",
            "address_purpose": "LOCATION",
            "city": "Fairfax",
            "state": "VA",
            "postal_code": "220314622",
            "country_code": "US",
            "telephone_number": "703-698-8960",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KARP",
        "first_name": "STEVEN",
        "middle_name": "M",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-12",
        "last_updated": "2026-02-18",
        "certification_date": "2026-02-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "VA",
            "license": "0101048118",
            "primary": false
        },
        {
            "code": "207LP2900X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pain Medicine",
            "state": "VA",
            "license": "0101048118",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "050048568",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CARE FIRST",
            "identifier": "K142-0001",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AMERIGROUP",
            "identifier": "296041",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM",
            "identifier": "074524",
            "state": "VA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1790700805",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NCPPO",
            "identifier": "493811",
            "state": "VA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "skarp60646@soc.inova.org",
            "affiliation": "Y",
            "endpointDescription": "Health Information Exchange",
            "affiliationName": "Inova Cares - Community",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "CCDA",
            "address_1": "3600 Joseph Siewick Dr",
            "city": "Fairfax",
            "state": "VA",
            "country_code": "US",
            "postal_code": "220331709",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Pnina Dalya Karlin, CF-SLP
• Karma Care LLC
• Komal S. Karmacharya, D.D.S.
• Jenny Karmen
• Michael G Karnaze, MD
• Sahana Karpoor, LCSW
• Alice Grace Karr, FNP-BC
• Sharon S Karr, M.D.
• Neha P Kasabwala, CRNA
• Neda Kashanian, D.T.

• Pain Medicine (Anesthesiology) Physician in Fairfax, VA
• Providers in Fairfax, VA by specialty
• Pain Medicine (Anesthesiology) Physician in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 18, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.