Doctor profile · Federal record

Dr. Jan Williams, ACNP, APRN, BC

Nurse Practitioner · Manassas, VA

  • NPI 1548320492
  • Accepts Medicare
  • 21 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
8640 Sudley RD Ste 302
Manassas, VA 201104404
(703) 369-5959
fax (703) 369-7473
Additional location
8700 Sudley RD, Prince William Hospital
Manassas, VA 201104418
(703) 926-0909
Mailing address
Po Box 748613
Atlanta, GA 303848613

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
February 18, 2025
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
North Carolina #0024166796

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548320492. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
33
Distinct HCPCS
1
Medicare allowed
$2,200
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 33 27 $67

In context: peer comparison

Among 13 peers in this city , average services per provider: 131. This provider delivers 0.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$6
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) 1 $5.78

By nature of payment

Food and Beverage
$6

Frequently asked questions

Auto-generated from federal data
What is Dr. Jan Williams's medical specialty?
Dr. Jan Williams practices Nurse Practitioner in Manassas, VA.
Where does Dr. Jan Williams practice?
Dr. Jan Williams practices at 8640 Sudley RD Ste 302, Manassas, VA 201104404. Office phone: 7033695959.
What is Dr. Jan Williams's NPI?
Dr. Jan Williams's National Provider Identifier (NPI) is 1548320492, issued by NPPES.
Does Dr. Jan Williams accept Medicare assignment?
Yes. Dr. Jan Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jan Williams commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.