Karnail Singh, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

0101058812 Issued in VA

Practice address

19415 Deerfield Ave
Suite 115
Lansdowne, VA 20176-8452

Phone

(703) 729-2626

Fax

(703) 729-3141

NPI assigned

Jul 28, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 3

Medicare fee-for-service enrollment

Enrolled in VA

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 1

Specialty

HospitalistAlso: Internal Medicine

Education

Other, 1986

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Loudoun Medical Care PCGroup PAC ID 1254365414, 2 clinicians

Inova Health Care ServicesGroup PAC ID 2466351093, 1,821 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Inova Loudoun Hospital Hospital, Leesburg, VA, CCN 490043

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://fhir4.healow.com/fhir/r4/AJDIDD

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.

• Loudoun Medical Care PC

  • Internal Medicine Physician
  • Lansdowne, VA
  • NPI 1184642761
  Medicare reassignment Care Compare group NPD Authorized official
• Inova Health Care Services

  • Internal Medicine Physician
  • Falls Church, VA
  • NPI 1952320061
  Medicare reassignment Care Compare group NPD (past)
• Inova Health Care Services

  • Urgent Care Clinic/Center
  • Vienna, VA
  • NPI 1275886418
  NPD
• Inova Health Care Services

  • Medical Technologist
  • Sterling, VA
  • NPI 1699655589
  NPD
• Physicians Practice and Research, LLC

  • Nephrology Physician
  • Lansdowne, VA
  • NPI 1851565444
  NPD (past)
• Frederick Health Hospital Inc

  • General Acute Care Hospital
  • Frederick, MD
  • NPI 1538165527
  NPD (past)

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

• Inova Health Care Services

  • Psychiatric Hospital Unit
  • Leesburg, VA
  • NPI 1285786228
  Care Compare affiliation
• Inova Health Care Services

  • General Acute Care Hospital
  • Leesburg, VA
  • NPI 1376564302
  Care Compare affiliation

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

{
    "created_epoch": "1122508800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772496000000",
    "number": "1871593202",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "19415 DEERFIELD AVE STE 115",
            "city": "LANSDOWNE",
            "state": "VA",
            "postal_code": "201768470",
            "telephone_number": "703-729-2626",
            "fax_number": "703-729-3141"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "19415 DEERFIELD AVE",
            "address_2": "SUITE 115",
            "city": "LANSDOWNE",
            "state": "VA",
            "postal_code": "201768452",
            "telephone_number": "703-729-2626",
            "fax_number": "703-729-3141"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "44045 Riverside Pkwy",
            "address_purpose": "LOCATION",
            "city": "Leesburg",
            "state": "VA",
            "postal_code": "201765101",
            "country_code": "US",
            "telephone_number": "703-858-6000",
            "fax_number": "703-858-6900",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SINGH",
        "first_name": "KARNAIL",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-07-28",
        "last_updated": "2026-03-03",
        "certification_date": "2026-03-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "VA",
            "license": "0101058812",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE RAILROAD",
            "identifier": "110216277",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "5837618",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM",
            "identifier": "451981",
            "state": "VA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Cherylynn Page Shiley, M.S., OTR/L
• Soo Young Shin, M.D.
• Shaz Siddiqi, M.D.
• Andrew Benedict Silva, MD
• Remil Simon, MD
• Rochelle Takiyah Singleton, LPC-R
• Scott Michael Sirlin, MD
• Annabelle Whitticar Sizemore, PMHNP
• Skin Institute of Virginia, PLLC
• Sleep Diagnostic Center Inc

• Internal Medicine Physician in Lansdowne, VA
• Providers in Lansdowne, VA by specialty
• Internal Medicine Physician in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 3, 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.