Jon William Mader, M.D.
Physical Medicine & Rehabilitation Physician · Leesburg, VA
Jon William Mader, M.D. is a physical medicine & rehabilitation physician with a practice address in Leesburg, Virginia, and NPI 1255656864, issued on Apr 7, 2010. Check the license (Virginia 0101259167, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.
- Name
- Jon William Mader
- Credential
- M.D.
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License number
- 0101259167 VA
Self-reported in NPPES; status is on the state search - Practice location
- 44055 Riverside Parkway, Suite 216, Leesburg, VA 20176
- Phone
- (703) 840-0665
- Enumerated
- Apr 7, 2010
- Record last updated
- Oct 3, 2023
- Fax
- (571) 346-1924
- Medicaid IDs
- 1255656864 VA
30016466210001 VA - Medicare enrollment
- Enrolled (PECOS I20160517002071); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physical medicine & rehabilitation physician records → All 365 in Virginia → Look up another NPI →
Also registered at 44055 Riverside Parkway, Suite 216
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Martin Korkowski, MDInternal Medicine Physician1801880752
- Shahid SiddiquiInternal Medicine Physician1386662757
Verify Jon William Mader in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersVirginia Department of Health Professions
Search for license 0101259167Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024
620 Medicare Part D claims for 133 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. 165 claims were for opioids.
Most prescribed
- Gabapentin131 claims
- Celecoxib94 claims
- Tramadol Hcl84 claims
- Meloxicam82 claims
- Acetaminophen-Codeine63 claims
- Cyclobenzaprine Hcl40 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 MIPS final score for 2023 (Medicare payment program): 92.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Loudoun Medical Group, PCLeesburg, VA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jon William Mader among 365 physical medicine & rehabilitation physician records in Virginia
Jon William Mader, M.D. is one of 365 physical medicine & rehabilitation physician records with a practice address in Virginia. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 47% of them.
- NPI issued2010 · 47% of these records are older, 50% newer
- In a Medicare fileYes · 65% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated2010 · median 2009 among the 196 with a school on file
- Record last updated2023 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208100000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physical Medicine & Rehabilitation Physician providers in Virginia
There are 365 physical medicine & rehabilitation physician records in Virginia.
All 365 in Virginia → Every provider in Leesburg → Physical Medicine & Rehabilitation Physician nationwide →
The 8 physical medicine & rehabilitation physician records with the nearest ZIP codes
- Jeylani Dublin, PT, DPT, CSCSLansdowne, VA 201761841774601
- Peter Wei, M.D.Leesburg, VA 201761043576614
- Dylan Estevez, PT, DPTWarrenton, VA 201861104792944
- Terri HallettWarrenton, VA 201861669349510
- Daniel Heller, M.D.Warrenton, VA 201861730397977
- Heidi Archer, MDPotomac Falls, VA 201651902890536
- Albert Thomas, MDSterling, VA 201651427042043
- Neil Chatterjee, MDReston, VA 201901992974976
Common questions
What is Jon William Mader, M.D.'s NPI number?
Jon William Mader, M.D.'s National Provider Identifier (NPI) is 1255656864, issued on Apr 7, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Jon William Mader, M.D. located?
The NPPES record lists a practice address at 44055 Riverside Parkway, Suite 216, Leesburg, VA, 20176. Phone: (703) 840-0665. Providers update this record themselves, so call before visiting.
How can I verify Jon William Mader, M.D.'s license?
NPPES lists Virginia license number 0101259167, 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 Jon William Mader, M.D. prescribe under Medicare Part D?
In 2024, Jon William Mader, M.D. had 620 Medicare Part D claims for 133 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. Part D covers Medicare prescriptions only.
What is Jon William Mader, M.D.'s MIPS final score?
The 2023 MIPS final score is 92.6 of 100. 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.