CATHERINE V. WILLIAMS
NPI 1851870786
Nurse Practitioner - Family in Leesburg, VA

Active since August 10, 2018PECOS EnrolledAccepts Medicare Assignment
92.61/100
CMS Quality Rating
19450 DEERFIELD AVENUE, SUITE 300, LEESBURG, VA 20176(703) 858-3220(703) 858-3221 Get Directions Write a Review

NPPES record last updated: October 31, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Oct 31, 2023, Nov 29, 2022, Oct 28, 2022 and 2 more (5 updates tracked since 2018).

About Catherine V. Williams NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CATHERINE V. WILLIAMS (NPI 1851870786) is an individual family provider in Leesburg, Virginia, licensed in Virginia (0024176486) and active in the NPI registry since August 2018. She is enrolled in Medicare PECOS, is affiliated with Winchester Medical Center, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1851870786
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameCATHERINE V. WILLIAMS
Location Address19450 DEERFIELD AVENUE, SUITE 300Leesburg, VA 20176-6821
Mailing Address224-d Cornwall Street, Nw Suite 403Leesburg, VA 20176-2704 · (703) 737-6010
Fax(703) 858-3221
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateAugust 10, 2018
Last NPPES UpdateOctober 31, 20235 updates tracked since enumeration
NPPES CertifiedOctober 31, 2023
NPI 1851870786 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in VA · 0024176486
19450 DEERFIELD AVENUE, SUITE 300, Leesburg, VA 20176

Other Identifiers 2

Medicaid30015981510001VA
Medicaid1851870786VA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Catherine V. Williams is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2961756028
PECOS Enrollment IDI20181108002469
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 13

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
349 services232 patients
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 99490
Chronic care management services involve a healthcare professional directing clinical staff in managing your chronic conditions. This includes the first 20 minutes per month of services like medication management, care coordination, and health monitoring to help improve your health and quality of life.
335 services55 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
231 services170 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
168 services168 patients
Annual depression screening, 5 to 15 minutes G0444
An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.
145 services145 patients
Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month 99439
Chronic Care Management services involve regular check-ins with healthcare professionals to manage two or more chronic conditions. It includes an additional 20 minutes of clinical staff time per month, directed by a healthcare professional, to ensure optimal health management.
110 services44 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Winchester Medical Center

Acute Care Hospitals · Winchester, VA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490005
Location1840 Amherst StWinchester, VA 22601 · Winchester City County
Emergency services Birthing friendly

Inova Loudoun Hospital

Acute Care Hospitals · Leesburg, VA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490043
Location44045 Riverside ParkwayLeesburg, VA 20176 · Loudoun County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20176 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$86.88 typical visit price
range $56.19 – $170.30
Typical copayment $21.72 (range $14.04 – $42.57)
Most-billed visit code 99203
Established Patient
$99.13 typical visit price
range $18.07 – $138.91
Typical copayment $24.78 (range $4.51 – $34.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

92.61/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality85.22
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
1 supplier12 claims12 services$25.10 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Physician Assistant
19450 DEERFIELD AVENUE, SUITE 300
LEESBURG, VA 20176
Internal Medicine
19450 DEERFIELD AVENUE, SUITE 300
LEESBURG, VA 20176
Speech-Language Pathologist
19450 DEERFIELD AVENUE, SUITE 300
LEESBURG, VA 20176
Internal Medicine
19450 DEERFIELD AVENUE, SUITE 300
LEESBURG, VA 20176
Internal Medicine
19450 DEERFIELD AVENUE, SUITE 300
LEESBURG, VA 20176
Nurse Practitioner (Family)
19450 DEERFIELD AVENUE, SUITE 300
LEESBURG, VA 20176
Internal Medicine
19450 DEERFIELD AVENUE, SUITE 300
LEESBURG, VA 20176
Nurse Practitioner (Gerontology)
19450 DEERFIELD AVENUE, SUITE 300
LEESBURG, VA 20176

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Catherine Williams's NPI number?

The NPI number for Catherine Williams is 1851870786. It was assigned to this individual provider in the NPPES registry on August 10, 2018.

Where is Catherine Williams located?

Catherine Williams practices at 19450 Deerfield Avenue, Suite 300, Leesburg, VA 20176. The listed phone number is (703) 858-3220.

What is Catherine Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Catherine Williams enrolled in Medicare?

Yes. Catherine Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Catherine Williams affiliated with any hospitals?

According to CMS data, Catherine Williams is affiliated with Winchester Medical Center and Inova Loudoun Hospital.

When was this NPI record last updated?

The NPPES record for Catherine Williams was last updated on October 31, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.