MRS. JUDITH R WILLIAMS CRNA
NPI 1093965733
Nurse Anesthetist, Certified Registered in Alexandria, VA

Active since September 30, 2008Accepts Medicare Assignment
4320 SEMINARY RD, ALEXANDRIA, VA 22304(703) 766-9697 Get Directions Write a Review

NPPES record last updated: September 6, 2010. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Mrs. Judith R Williams Crna NPPES

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

MRS. JUDITH R WILLIAMS CRNA (NPI 1093965733) is an individual nurse anesthetist, certified registered in Alexandria, Virginia, licensed in Virginia (002416803) and active in the NPI registry since September 2008. She is a graduate of Other (2008).

NPPES Registry Identity

NPI1093965733
Entity TypeIndividualFemale
Primary Taxonomy367500000X
Provider Legal NameMRS. JUDITH R WILLIAMSCredential: CRNA
Location Address4320 SEMINARY RDAlexandria, VA 22304-1535
Mailing AddressPo Box 37090Baltimore, MD 21297-3090 · (703) 295-9360 · Fax (703) 295-9369
Sole ProprietorNo
Medical School CMSOtherGraduated 2008
Enumeration DateSeptember 30, 2008
Last NPPES UpdateSeptember 6, 2010
✔ NPI 1093965733 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Anesthetist, Certified RegisteredPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367500000X
License✔ Licensed in VA · 002416803
Definition
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.
4320 SEMINARY RD, Alexandria, VA 22304

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Judith R Williams Crna 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 ID1759444391
PECOS Enrollment IDI20090108000449

Medicare Billing Reassignments

3

Medicare enrollment records show Judith Williams reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
24440 STONE SPRINGS BLVD
Dulles, VA 20166
  • Reassigned Medicare billing, Virginia enrollment
  • 85 clinicians in this Medicare group
Anesthesiology
7915 LAKE MANASSAS DR STE 302
Gainesville, VA 20155
  • Reassigned Medicare billing, Virginia enrollment
  • 9 clinicians in this Medicare group
Anesthesiology
1139 E HIGH ST STE 203
Charlottesville, VA 22902
  • Reassigned Medicare billing, District of Columbia and Virginia enrollments
  • 94 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

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.

Anesthesia for other procedure on large bowel using an endoscope 00811
Anesthesia for an endoscopic procedure on the large bowel ensures comfort and relaxation during the procedure. You'll be given medication to make you drowsy or asleep, eliminating any discomfort. The medication can be administered through a vein or inhaled.
36 services36 patients
Anesthesia for exam of colon using an endoscope 00812
Anesthesia for a colon examination with an endoscope is a method used to ensure comfort during the procedure. It involves administering medication to help you relax or sleep, thus reducing discomfort as the endoscope, a thin, flexible tube, is navigated through your colon.
17 services17 patients
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 00731
This procedure involves the use of an endoscope, a flexible tube with a light and camera, to examine your esophagus, stomach, or upper small bowel. Anesthesia ensures you are comfortable and pain-free during the procedure.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22304 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
$147.85 typical visit price
range $65.18 – $194.86
Typical copayment $36.96 (range $16.29 – $48.71)
Most-billed visit code 99204
Established Patient
$80.66 typical visit price
range $21.40 – $158.88
Typical copayment $20.16 (range $5.35 – $39.72)
Most-billed visit code 99213
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.

Reported Quality Measures

Post-Anesthetic Transfer of Care Measure: Procedure Room to a Post Anesthesia Care Unit (PACU)
Percentage of patients, regardless of age, who are under the care of an anesthesia practitioner and are admitted to a PACU or other non-ICU location in which a post-anesthetic formal transfer of care protocol or checklist which includes the key transfer of…
100%349 patients5/55-star benchmark: 100%
Pre-operative OSA assessment
Percentage of patients who undergo a surgical procedure in the operating room/procedure room that have a pre-operative assessment for Obstructive Sleep Apnea (OSA)
98%762 patients4/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 20

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

Internal Medicine (Critical Care Medicine)
4320 SEMINARY RD
ALEXANDRIA, VA 22304
Radiology (Diagnostic Radiology)
4320 SEMINARY RD
ALEXANDRIA, VA 22304
Pediatrics (Neonatal-Perinatal Medicine)
4320 SEMINARY RD, SUITE 3000
ALEXANDRIA, VA 22304
Nurse Anesthetist, Certified Registered
4320 SEMINARY RD
ALEXANDRIA, VA 22304
Physical Therapist
4320 SEMINARY RD
ALEXANDRIA, VA 22304
Internal Medicine (Critical Care Medicine)
4320 SEMINARY RD
ALEXANDRIA, VA 22304
Nurse Practitioner
4320 SEMINARY RD
ALEXANDRIA, VA 22304
Internal Medicine (Critical Care Medicine)
4320 SEMINARY RD
ALEXANDRIA, VA 22304

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 Judith Williams's NPI number?

The NPI number for Judith Williams is 1093965733. It was assigned to this individual provider in the NPPES registry on September 30, 2008.

Where is Judith Williams located?

Judith Williams practices at 4320 Seminary Rd, Alexandria, VA 22304. The listed phone number is (703) 766-9697.

What is Judith Williams's specialty?

The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.

Is Judith Williams enrolled in Medicare?

Yes. Judith 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.

Which organizations bill Medicare for Judith Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Judith Williams reassigns Medicare benefits to 3 organizations: Stonesprings Anesthesia Associates, Ltd (Dulles, VA), Greater Washington Anesthesia Associates, LLC (Gainesville, VA) and Old Dominion Anesthesia LLC (Charlottesville, VA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Judith Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Judith Williams was last updated on September 6, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.