John P. Williams, MD
Surgery Physician · Manassas, VA
John P. Williams, MD is a surgery physician with a practice address in Manassas, Virginia, and NPI 1104837244, issued on Aug 11, 2006. Check the license (Virginia 0101059106, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- John P. Williams
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 0101059106 VA
Self-reported in NPPES; status is on the state search - Practice location
- 8650 Sudley RD, Manassas, VA 20110
- Phone
- (703) 368-9234
- Enumerated
- Aug 11, 2006
- Record last updated
- Apr 5, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (703) 368-0505
- Medicaid ID
- 007309775 VA
- Medicare enrollment
- Enrolled (PECOS I20181019001105); accepts Medicare assignment
- Medical or professional school
- University Of North Carolina At Chapel Hill School Of Medicine, 1992
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 865 in Virginia → Look up another NPI →
Also registered at 8650 Sudley RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jonathan Amy, MDNeurology Physician1245237718
- George Bitar, MDPlastic Surgery Physician1306976709
- Robin Brodie, M.D.Pediatrics Physician1073676771
- Susan Campbell, M.D.Family Medicine Physician1760545479
- Lori Doyle, PA-CMedical Physician Assistant1558753293
- Joseph FarrThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1013949148
Verify John P. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101059106Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average surgery physician in 2024
16 Medicare Part D claims for 11 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Galaria Plastic Surgery And Dermatology PLCChantilly, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John P. Williams among 865 surgery physician records in Virginia
John P. Williams, MD is one of 865 surgery physician records with a practice address in Virginia. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 56% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated1992 · median 2004 among the 483 with a school on file
- Record last updated2010 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Virginia
There are 865 surgery physician records in Virginia.
All 865 in Virginia → Every provider in Manassas → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Mark Bartolozzi, MDManassas, VA 201101881652329
- Cynthia Dougherty, MDWarrenton, VA 201101760414890
- John Harrison, DOManassas, VA 201101043481336
- Kenneth Henson, MDManassas, VA 201101205868338
- Joseph Magalski, MDManassas, VA 201101114984200
- Jacqueline Moore, M.D.Aldie, VA 201051619173838
- Rohit Dasgupta, MDCentreville, VA 201211538665583
- Timothy Mountcastle, MDAshburn, VA 201471821015561
Common questions
What is John P. Williams, MD's NPI number?
John P. Williams, MD's National Provider Identifier (NPI) is 1104837244, issued on Aug 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John P. Williams, MD located?
The NPPES record lists a practice address at 8650 Sudley RD, Manassas, VA, 20110. Phone: (703) 368-9234. Providers update this record themselves, so call before visiting.
How can I verify John P. Williams, MD's license?
NPPES lists Virginia license number 0101059106, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John P. Williams, MD prescribe under Medicare Part D?
In 2024, John P. Williams, MD had 16 Medicare Part D claims for 11 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.
What is John P. Williams, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.