John Ledonne, M.D.
Surgery Physician · Baltimore, MD
John Ledonne, M.D. is a surgery physician with a practice address in Baltimore, Maryland, and NPI 1558452839, issued on Sep 28, 2006. Check the license (Maryland D35459, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- John Ledonne
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- D35459 MD
Self-reported in NPPES; status is on the state search - Practice location
- 6701 N Charles St, Baltimore, MD 21204
- Phone
- (443) 849-2000
- Enumerated
- Sep 28, 2006
- Record last updated
- Jul 13, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 672 in Maryland → Look up another NPI →
Also registered at 6701 N Charles St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Ledonne in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D35459Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $48,148.25
38 payments; by number, the most common kind was consulting fee; the largest payer was Ethicon US, LLC. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
John Ledonne among 672 surgery physician records in Maryland
John Ledonne, M.D. is one of 672 surgery physician records with a practice address in Maryland. 69% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 55% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2007 · 60% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Maryland
There are 672 surgery physician records in Maryland.
All 672 in Maryland → Every provider in Baltimore → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Ronald Clement, M.D.Towson, MD 212041407841786
- John Flowers, M.D.Baltimore, MD 212041891735965
- Scott Maizel, M.D.Baltimore, MD 212041659322881
- John Richardson, MDTowson, MD 212041396827051
- Atena Rosak, MD, MPH, FACSTowson, MD 212041265526743
- Laurence Ross, MDTowson, MD 212041720160484
- Francis Rotolo, MDTowson, MD 212041679655401
- Jose Ruiz, MDTowson, MD 212041407922693
Common questions
What is John Ledonne, M.D.'s NPI number?
John Ledonne, M.D.'s National Provider Identifier (NPI) is 1558452839, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Ledonne, M.D. located?
The NPPES record lists a practice address at 6701 N Charles St, Baltimore, MD, 21204. Phone: (443) 849-2000. Providers update this record themselves, so call before visiting.
How can I verify John Ledonne, M.D.'s license?
NPPES lists Maryland license number D35459, 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.