Katherine Lilja

Primary specialty

Obesity and Weight Management Nutrition Registered DietitianTaxonomy code 133VN1201X

Practice address

3580 Joseph Siewick Dr Ste 205
Fairfax, VA 22033-1764

Phone

(703) 620-3211

NPI assigned

Sep 11, 2025

Last updated

Sep 11, 2025By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in DC

Enrollment records 1

Specialty

Registered Dietitian Or Nutrition Professional

Education

Oakland College of Medicine and Surgery, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

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

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Practice roles

Locations

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

• Inova Health Care Services

  • Internal Medicine Physician
  • Falls Church, VA
  • NPI 1952320061

  DC

  Medicare reassignment Care Compare group NPD
• Inova Health Care Services

  dba Inova Juniper Program

  • Multi-Specialty Clinic/Center
  • Fairfax, VA
  • NPI 1669511051
  NPD
• Inova Health Care Services

  dba Inova Blood Donor Services

  • Medical Technologist
  • Sterling, VA
  • NPI 1699655589
  NPD

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

{
    "created_epoch": "1757548800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1477434611",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4351 FARM HOUSE LN",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220321616",
            "telephone_number": "763-232-7110"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3580 JOSEPH SIEWICK DR STE 205",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220331764",
            "telephone_number": "703-620-3211"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LILJA",
        "first_name": "KATHERINE",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-09-11",
        "last_updated": "2025-09-11",
        "certification_date": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "133VN1201X",
            "taxonomy_group": "",
            "desc": "Dietitian, Registered, Nutrition, Obesity and Weight Management",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lifepro Solutions LLC
• Lifespan Counseling Services, LLC
• Lifespeed Medical, LLC
• Dianne Victoria Liga, RPA-C
• Lightmicron Diagnostics, LLC
• Guinevere Zimmerman Lillie, NP
• Nina Lilly
• Hong Lim, M.D.
• Jin Hee Lim, LMT
• Jung Gook Lim, M.D.

• Obesity and Weight Management Nutrition Registered Dietitian in Fairfax, VA
• Providers in Fairfax, VA by specialty
• Obesity and Weight Management Nutrition Registered Dietitian in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.