Peter F. Williams, MD
Emergency Medicine Physician · Harrisonburg, VA
Peter F. Williams, MD is an emergency medicine physician with a practice address in Harrisonburg, Virginia, and NPI 1770628505, issued on Feb 20, 2007. Check the license (Virginia 0101245109, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Peter F. Williams
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 0101245109 VA
Self-reported in NPPES; status is on the state search - Practice location
- 2010 Health Campus Dr, Harrisonburg, VA 22801
- Phone
- (540) 689-1000
- Enumerated
- Feb 20, 2007
- Record last updated
- Jul 8, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090701000419); accepts Medicare assignment
- Medical or professional school
- University Of Virginia School Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,715 in Virginia → Look up another NPI →
Also registered at 2010 Health Campus Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alexander Doyal, MDAnesthesiology Physician1447419825
Verify Peter F. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101245109Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average emergency medicine physician in 2024
165 Medicare Part D claims for 123 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Cefdinir19 claims
- Cephalexin18 claims
- Ondansetron Odt14 claims
- Prednisone14 claims
- Oxycodone Hcl13 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
- Emergency Medicine Associates P.A., P.C.Rockingham, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Peter F. Williams among 1,715 emergency medicine physician records in Virginia
Peter F. Williams, MD is one of 1,715 emergency medicine physician records with a practice address in Virginia. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 51% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2006 · median 2011 among the 956 with a school on file
- Record last updated2011 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Virginia
There are 1,715 emergency medicine physician records in Virginia.
All 1,715 in Virginia → Every provider in Harrisonburg → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Nazir Adam, MDHarrisonburg, VA 228011023059136
- Alexander Baer, MDHarrisonburg, VA 228011285686287
- John Coakley, DOHarrisonburg, VA 228011154363125
- Tomer Feldman, MDHarrisonburg, VA 228011184665218
- Kent Folsom, MDRockingham, VA 228011912944877
- Michael Ilagan, MDHarrisonburg, VA 228011205872033
- Christina Johnson, MDHarrisonburg, VA 228011073727228
- John Lindbergh, MDHarrisonburg, VA 228011396788998
Common questions
What is Peter F. Williams, MD's NPI number?
Peter F. Williams, MD's National Provider Identifier (NPI) is 1770628505, issued on Feb 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Peter F. Williams, MD located?
The NPPES record lists a practice address at 2010 Health Campus Dr, Harrisonburg, VA, 22801. Phone: (540) 689-1000. Providers update this record themselves, so call before visiting.
How can I verify Peter F. Williams, MD's license?
NPPES lists Virginia license number 0101245109, 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 Peter F. Williams, MD prescribe under Medicare Part D?
In 2024, Peter F. Williams, MD had 165 Medicare Part D claims for 123 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Peter F. 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.