Catherine V. Williams
Family Nurse Practitioner · Leesburg, VA
Catherine V. Williams is a family nurse practitioner with a practice address in Leesburg, Virginia, and NPI 1851870786, issued on Aug 10, 2018. Check the license (Virginia 0024176486, as entered in NPPES) with the Virginia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Catherine V. Williams
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 0024176486 VA
Self-reported in NPPES; status is on the state search - Practice location
- 19450 Deerfield Avenue, Suite 300, Leesburg, VA 20176
- Phone
- (703) 858-3220
- Enumerated
- Aug 10, 2018
- Record last updated
- Oct 31, 2023
- Fax
- (703) 858-3221
- Medicaid IDs
- 30015981510001 VA
1851870786 VA - Medicare enrollment
- Enrolled (PECOS I20181108002469); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 19450 Deerfield Avenue, Suite 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jessica ErimPhysician Assistant1093479339
- Thomas Feely, MDInternal Medicine Physician1477722890
- Megan George, MSN, APRN, FNP-CFamily Nurse Practitioner1720867781
- Richard Kim, MDInternal Medicine Physician1902890981
- Geetha Pillai, MDInternal Medicine Physician1356335301
- Meredith SorianoGerontology Nurse Practitioner1962034066
Verify Catherine V. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Virginia board licenses this profession
Search for license 0024176486Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average family nurse practitioner in 2024
3,528 Medicare Part D claims for 435 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Atorvastatin Calcium320 claims
- Levothyroxine Sodium212 claims
- Losartan Potassium158 claims
- Rosuvastatin Calcium157 claims
- Amlodipine Besylate143 claims
- Lisinopril121 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 92.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $227.22
11 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Loudoun Medical Group, PCLeesburg, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
108 family nurse practitioner records list a practice address in Leesburg
They are 108 of the 1,759 NPPES records with a practice address in Leesburg, and 6,474 family nurse practitioner records in Virginia.
All 108 in Leesburg → All 6,474 in Virginia → Every provider in Leesburg →
Other family nurse practitioner records in Virginia
- Marina Abad, NPManassas, VA1912174855
- Gilbert Abare, FNPChesapeake, VA1508623646
- Aaiza Abbas, NURSE PRACTITIONERManassas, VA1558016816
- Valerie Abbott, FNPRoanoke, VA1598106478
- Nashwa Abdalla, FNP-CFalls Church, VA1396524278
- Blen Abdi, FNPAlexandria, VA1114223146
- Zenet Abdul, NPTysons, VA1730851601
- Ahmed Abdulhamed, PMHNP-BCBurkeville, VA1437707304
- Sara Abdullahi, NPReston, VA1669137808
- Leda AbdulmuhinLeesburg, VA1851279327
Common questions
What is Catherine V. Williams's NPI number?
Catherine V. Williams's National Provider Identifier (NPI) is 1851870786, issued on Aug 10, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Catherine V. Williams located?
The NPPES record lists a practice address at 19450 Deerfield Avenue, Suite 300, Leesburg, VA, 20176. Phone: (703) 858-3220. Providers update this record themselves, so call before visiting.
How can I verify Catherine V. Williams's license?
NPPES lists Virginia license number 0024176486, as entered by the provider. Search the Virginia board that licenses this profession; the NPPES record confirms identity only.
How much does Catherine V. Williams prescribe under Medicare Part D?
In 2024, Catherine V. Williams had 3,528 Medicare Part D claims for 435 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Catherine V. Williams's MIPS final score?
The 2023 MIPS final score is 92.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.
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.