John Specht Maddox, MD
Trauma Surgery Physician · Bethesda, MD
John Specht Maddox, MD is a trauma surgery physician with a practice address in Bethesda, Maryland, and NPI 1528122256, issued on Dec 20, 2006. Check the license (Maryland D0089752, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- John Specht Maddox
- Credential
- MD
- Primary taxonomy
- Trauma Surgery Physician 2086S0127X
- License number
- D0089752 MD
Self-reported in NPPES; status is on the state search - Practice location
- Walter Reed National Military Ctr, Bethesda, MD 20889
- Phone
- (301) 400-2201
- Enumerated
- Dec 20, 2006
- Record last updated
- May 30, 2025
- Medicare enrollment
- Enrolled (PECOS I20200812000129); accepts Medicare assignment
- Medical or professional school
- Uniformed Services Uhs Fe Hebert School Of Med, 2006
- Entity
- Type 1 · individual
8 nearest trauma surgery physician records → All 38 in Maryland → Look up another NPI →
Also registered at Walter Reed National Military Ctr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Stephanie Ajuzie, M.D.Student in an Organized Health Care Education/Training Program1033645353
- Adam Armstrong, DOInfectious Disease Physician1649248329
- Memar Ayalew, PHARM.D.Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1043678196
- Robert Brutcher, PHARM D, PHDPharmacist1376514547
- Thomas Burklow, M.D.Pediatric Cardiology Physician1588608434
- Holly Burrows, AU.D.Audiologist1598875098
Verify John Specht Maddox in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0089752Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 3 group practices
- Medical Practices OF Antietam, LLCHagerstown, MD
- Meritus Medical Center IncHagerstown, MD
- Shock Trauma Associates PABaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Specht Maddox among 38 trauma surgery physician records in Maryland
John Specht Maddox, MD is one of 38 trauma surgery physician records with a practice address in Maryland. 87% 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 0% of them.
- NPI issued2006 · 0% of these records are older, 61% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2006 · median 2002 among the 28 with a school on file
- Record last updated2025 · 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 2086S0127X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Trauma Surgery Physician providers in Maryland
There are 38 trauma surgery physician records in Maryland.
All 38 in Maryland → Every provider in Bethesda → Trauma Surgery Physician nationwide →
The 8 trauma surgery physician records with the nearest ZIP codes
- John Graybill, M.D.Bethesda, MD 208891033312863
- Vicki Reese, M.D.Silver Spring, MD 209041962506436
- Jeffrey Muench, M.D.Rockville, MD 208521093725301
- Dany Westerband, M.D., FACSRockville, MD 208521639247836
- Reza Moghaddasnia, PA-CBethesda, MD 208141952942666
- Tyler Holliday, M.D.Largo, MD 207741699207654
- Christopher Michetti, MDUpper Marlboro, MD 207741700807179
- Usman Waheed, M.D.Randallstown, MD 211331619187408
Common questions
What is John Specht Maddox, MD's NPI number?
John Specht Maddox, MD's National Provider Identifier (NPI) is 1528122256, issued on Dec 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Specht Maddox, MD located?
The NPPES record lists a practice address at Walter Reed National Military Ctr, Bethesda, MD, 20889. Phone: (301) 400-2201. Providers update this record themselves, so call before visiting.
How can I verify John Specht Maddox, MD's license?
NPPES lists Maryland license number D0089752, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.