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JOHN P WILLIAMS MD
NPI 1104837244
Surgery in Manassas, VA

Active since August 11, 2006PECOS EnrolledAccepts Medicare Assignment
75/100
CMS Quality Rating
8650 SUDLEY RD, #206, MANASSAS, VA 20110(703) 368-9234(703) 368-0505 Get Directions Write a Review

NPPES record last updated: April 5, 2010. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About John P Williams Md NPPES

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

JOHN P WILLIAMS MD (NPI 1104837244) is an individual surgery provider in Manassas, Virginia, licensed in Virginia (0101059106) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Fauquier Hospital, and is a graduate of University Of North Carolina At Chapel Hill School Of Medicine (1992).

NPPES Registry Identity

NPI1104837244
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameJOHN P WILLIAMSCredential: MD
Location Address8650 SUDLEY RD, #206Manassas, VA 20110
Mailing Address8650 Sudley Rd, #206Manassas, VA 20110 · (703) 368-9234 · Fax (703) 368-0505
Phone(703) 368-9234
Fax(703) 368-0505
Sole ProprietorNo
Medical School CMSUniversity Of North Carolina At Chapel Hill School Of MedicineGraduated 1992
Enumeration DateAugust 11, 2006
Last NPPES UpdateApril 5, 2010
✔ NPI 1104837244 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in VA · 0101059106
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
8650 SUDLEY RD, Manassas, VA 20110
Open in Google Maps ↗

Other Identifiers 4

Other336884VA · Bcbs Anthem
Medicare ID-Type Unspecified020001399
Medicare UPING49131
Medicaid007309775VA

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

John P Williams Md 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 ID9537187331
PECOS Enrollment IDI20181019001105
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 11

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.
189 services171 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
88 services74 patients
Complete ultrasound scan of 1 breast 76641
A complete ultrasound scan of one breast is a non-invasive imaging test that uses sound waves to create detailed images of the inside of your breast. It helps in detecting any abnormalities or changes, ensuring your breast health.
80 services64 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
47 services47 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
35 services35 patients
Partial removal of breast 19301
A partial removal of the breast, also known as a lumpectomy, involves taking out a portion of the breast tissue to eliminate concerning cells. It's typically performed when the problem area is limited in size. This procedure helps to preserve most of the breast's appearance while aiming to remove all the unhealthy cells.
33 services32 patients

Hospital Affiliations CMS Care Compare 3

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

Fauquier Hospital

Acute Care Hospitals · Warrenton, VA
3/5 CMS rating
OwnershipProprietary
CMS Certification Number490023
Location500 Hospital DriveWarrenton, VA 20186 · Fauquier County
Emergency services Birthing friendly

Novant Prince William Medical Center

Acute Care Hospitals · Manassas, VA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490045
Location8700 Sudley RdManassas, VA 20110 · Manassas City County
Emergency services Birthing friendly

Uva Health Haymarket Medical Center

Acute Care Hospitals · Haymarket, VA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number490144
Location15225 Healthcote BoulevardHaymarket, VA 20169 · Prince William County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20110 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
$70.08 typical visit price
range $18.07 – $138.91
Typical copayment $17.52 (range $4.51 – $34.72)
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.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice

Other Providers at the Same Location NPPES 13

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

JOSEPH G FARR
Thoracic Surgery (Cardiothoracic Vascular Surgery)
8650 SUDLEY RD, STE 206
MANASSAS, VA 20110
Manassas City (703) 368-9234
DR. ROBIN ELIZABETH BRODIE M.D.
Pediatrics
8650 SUDLEY RD, SUITE 306
MANASSAS, VA 20110
Manassas City (703) 393-9494
DR. HODA M HACHICHO M.D.
Psychiatry & Neurology (Neurology)
8650 SUDLEY RD, SUITE 300
MANASSAS, VA 20110
Manassas City (703) 369-0600
PWNC PC CORP
Specialist
8650 SUDLEY RD, SUITE 300
MANASSAS, VA 20110
Manassas City (703) 369-0600
DR. JONATHAN ROBERT AMY MD
Psychiatry & Neurology (Neurology)
8650 SUDLEY RD, SUITE 309
MANASSAS, VA 20110
Manassas City (703) 366-2799
GEORGE JOHN BITAR MD
Plastic Surgery
8650 SUDLEY RD, STE. 203
MANASSAS, VA 20110
Manassas City (703) 257-6000
DR. JUSTINE MCDERMOTT AUD
Audiologist
8650 SUDLEY RD, SUITE 209
MANASSAS, VA 20110
Manassas City (703) 369-0300
EDMUND STEPHEN PETRILLI, M.D., P.C.
Obstetrics & Gynecology (Gynecologic Oncology)
8650 SUDLEY RD, SUITE 200
MANASSAS, VA 20110
Manassas City (703) 392-5157

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 John Williams's NPI number?

The NPI number for John Williams is 1104837244. It was assigned to this individual provider in the NPPES registry on August 11, 2006.

Where is John Williams located?

John Williams practices at 8650 Sudley Rd #206, Manassas, VA 20110. The listed phone number is (703) 368-9234.

What is John Williams's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is John Williams enrolled in Medicare?

Yes. John 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 John Williams affiliated with any hospitals?

According to CMS data, John Williams is affiliated with Fauquier Hospital, Novant Prince William Medical Center and Uva Health Haymarket Medical Center.

When was this NPI record last updated?

The NPPES record for John Williams was last updated on April 5, 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.