NPPES file of Aug 9, 2026

Katherine Lilja

Obesity and Weight Management Nutrition Registered Dietitian · Fairfax, VA

Katherine Lilja is an obesity and weight management nutrition registered dietitian with a practice address in Fairfax, Virginia, and NPI 1477434611, issued on Sep 11, 2025. Check the license with the Virginia board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1477434611
Name
Katherine Lilja
Primary taxonomy
Obesity and Weight Management Nutrition Registered Dietitian 133VN1201X
Practice location
3580 Joseph Siewick Dr Ste 205, Fairfax, VA 22033
Phone
(703) 620-3211
Enumerated
Sep 11, 2025
Record last updated
Sep 11, 2025
Medicare enrollment
Enrolled (PECOS I20251107002441); accepts Medicare assignment
Medical or professional school
Oakland College Of Medicine And Surgery, 2022
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest obesity and weight management nutrition registered dietitian records → All 15 in Virginia → Look up another NPI →

Also registered at 3580 Joseph Siewick Dr Ste 205

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jenni Barnhizer, RN, FNPFamily Nurse Practitioner1013417492
  2. Holly Bernard, MDSurgery Physician1053937177
  3. Pamela Brandt, DOInternal Medicine Physician1528325842
  4. Courtney Culbreath, MDSurgery Physician1437512308
  5. Colleen JurgensFamily Nurse Practitioner1659731412
  6. Jennifer Lopez, RDRegistered Dietitian1578193348

Verify Katherine Lilja in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Virginia board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Virginia license search

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Bills Medicare through one group practice

  1. Inova Health Care ServicesFalls Church, VA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Katherine Lilja among 15 obesity and weight management nutrition registered dietitian records in Virginia

Katherine Lilja is one of 15 obesity and weight management nutrition registered dietitian records with a practice address in Virginia. 20% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 80% of them.

  • NPI issued2025 · 80% of these records are older, 0% newer
  • In a Medicare fileYes · 20% of these records are
  • In the CMS Doctors and Clinicians fileYes · 33% of these records are
  • Record last updated2025 · 33% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 133VN1201X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obesity and Weight Management Nutrition Registered Dietitian providers in Virginia

There are 15 obesity and weight management nutrition registered dietitian records in Virginia.

All 15 in Virginia → Every provider in Fairfax → Obesity and Weight Management Nutrition Registered Dietitian nationwide →

The 8 obesity and weight management nutrition registered dietitian records with the nearest ZIP codes

  1. Emily Frizell, RDNFairfax, VA 220331962084251
  2. Savannah LudolphFairfax, VA 220331760363519
  3. Eden Zachariah, R.D.NFairfax, VA 220331619722949
  4. Josh Patricia Balmediano, RDArlington, VA 222061043998834
  5. Colleen Bolander, MS, RDN, CSOWMRockingham, VA 228011427548940
  6. Kristen Mach, MS, RDCharlottesville, VA 229081235759135
  7. Katherine Thiesse, MS, RDWilliamsburg, VA 231851215827803
  8. Gina HardimanRichmond, VA 232941386227502

Common questions

What is Katherine Lilja's NPI number?

Katherine Lilja's National Provider Identifier (NPI) is 1477434611, issued on Sep 11, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Lilja located?

The NPPES record lists a practice address at 3580 Joseph Siewick Dr Ste 205, Fairfax, VA, 22033. Phone: (703) 620-3211. Providers update this record themselves, so call before visiting.

How can I verify Katherine Lilja's license?

Search the Virginia board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.