Gregory P. Wagner, M.D.
Emergency Medicine Physician · Warrenton, VA
Gregory P. Wagner, M.D. is an emergency medicine physician with a practice address in Warrenton, Virginia, and NPI 1750324802, issued on Jun 14, 2006. Check the license (Virginia 0101246400, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Gregory P. Wagner
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 0101246400 VA
A096347 CA
Self-reported in NPPES; status is on the state search - Practice location
- 500 Hospital Dr, Warrenton, VA 20186
- Phone
- (540) 316-4900
- Enumerated
- Jun 14, 2006
- Record last updated
- Jan 13, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100921000046); accepts Medicare assignment
- Medical or professional school
- Jefferson Medical College Of Thomas Jefferson University, 2003
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,715 in Virginia → Look up another NPI →
Also registered at 500 Hospital Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Khawaja Ahmed, M.D.Hospitalist Physician1437360542
- Zohayr Alshaial, M.D.Internal Medicine Physician1841245537
- Arij Azhar, MDCritical Care Medicine (Internal Medicine) Physician1811493299
- William Barker, MDEmergency Medical Services (Emergency Medicine) Physician1770599847
- Jennifer Benjamin, PAMedical Physician Assistant1639183593
- Melissa Braun, NPNeonatal Nurse Practitioner1023365335
Verify Gregory P. Wagner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101246400Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average emergency medicine physician in 2024
95 Medicare Part D claims for 70 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Ondansetron Odt14 claims
- Prednisone13 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 92.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Fair Oaks Emergency Physicians PLLCFairfax, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory P. Wagner among 1,715 emergency medicine physician records in Virginia
Gregory P. Wagner, M.D. 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 59% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 56% of these records are
- Graduated2003 · 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 Warrenton → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Matt Uzer, MDWarrenton, VA 201861588643407
- Rodney Biglow, MDReston, VA 201901790718443
- Laura Cook, M.D.Reston, VA 201901871795898
- Richard Ferraro, MDReston, VA 201901306836044
- Jonathan Gorbach, MDReston, VA 201901881685568
- Ryan Harris, MDReston, VA 201901760453898
- Paolo Hernandez, M.D.Reston, VA 201901932101342
- Donald Infeld, MDReston, VA 201901043272347
Common questions
What is Gregory P. Wagner, M.D.'s NPI number?
Gregory P. Wagner, M.D.'s National Provider Identifier (NPI) is 1750324802, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gregory P. Wagner, M.D. located?
The NPPES record lists a practice address at 500 Hospital Dr, Warrenton, VA, 20186. Phone: (540) 316-4900. Providers update this record themselves, so call before visiting.
How can I verify Gregory P. Wagner, M.D.'s license?
NPPES lists Virginia license number 0101246400, 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 Gregory P. Wagner, M.D. prescribe under Medicare Part D?
In 2024, Gregory P. Wagner, M.D. had 95 Medicare Part D claims for 70 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Gregory P. Wagner, M.D.'s MIPS final score?
The 2023 MIPS final score is 92.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.