Doctor profile · Federal record

Dr. Catherine Williams

Family Nurse Practitioner (CMS: Nurse Practitioner) · Leesburg, VA

  • NPI 1851870786
  • Accepts Medicare
  • MIPS 92.6 / 100 · 2023
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
19450 Deerfield Avenue, Suite 300
Leesburg, VA 201766821
(703) 858-3220
fax (703) 858-3221
Mailing address
224-D Cornwall Street, Nw Suite 403
Leesburg, VA 201762704

Credentials & registration

NPPES · NUCC
NPI registered
August 2018 — 8 yrs on file
Profile last updated
October 31, 2023
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Virginia #0024176486
Medicaid (2)
VA #30015981510001 · VA #1851870786

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851870786. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,826
Distinct HCPCS
10
Medicare allowed
$148,797
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 454 276 $106
99213 Established patient office or other outpatient visit, 20-29 minutes 295 222 $73
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 209 209 $108
G0444 Annual depression screening, 5 to 15 minutes 180 180 $15
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 82 44 $52
93922 Ultrasound study of arm and leg arteries 78 39 $69
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 70 70 $282
G0009 Administration of pneumococcal vaccine 69 69 $30
G0008 Administration of influenza virus vaccine 61 61 $30
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 57 54 $12

In context: peer comparison

Among 17 peers in this city , average services per provider: 109. This provider delivers 17× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$227
Transactions
11
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 3 $67.02
ABBVIE INC. 2 $51.38
Astellas Pharma US Inc 2 $38.55
Amgen Inc. 2 $38.20
AstraZeneca Pharmaceuticals LP 1 $16.82
GlaxoSmithKline, LLC. 1 $15.25

By nature of payment

Food and Beverage
$227

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,323
Patients
467
Total drug cost
$18,871
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 210 78 $2,522
Levothyroxine Sodium Generic 178 54 $2,985
Losartan Potassium Generic 118 46 $1,341
Amlodipine Besylate Generic 116 46 $882
Rosuvastatin Calcium Generic 115 39 $2,363
Lisinopril Generic 110 37 $851
Simvastatin Generic 80 26 $798
Hydrochlorothiazide Generic 71 22 $425
Escitalopram Oxalate Generic 52 22 $912
Metoprolol Succinate Generic 49 17 $814

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Catherine Williams's medical specialty?
Dr. Catherine Williams practices Family Nurse Practitioner in Leesburg, VA.
Where does Dr. Catherine Williams practice?
Dr. Catherine Williams practices at 19450 Deerfield Avenue, Suite 300, Leesburg, VA 201766821. Office phone: 7038583220.
What is Dr. Catherine Williams's NPI?
Dr. Catherine Williams's National Provider Identifier (NPI) is 1851870786, issued by NPPES.
Does Dr. Catherine Williams accept Medicare assignment?
Yes. Dr. Catherine Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Catherine Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.