NPPES file of Aug 9, 2026

Leslie John Derdeyn, MD

Diagnostic Radiology Physician · Dallas, TX

Leslie John Derdeyn, MD is a diagnostic radiology physician with a practice address in Dallas, Texas, and NPI 1831198209, issued on Jul 19, 2005. Check the license (Texas F3900, as entered in NPPES) on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831198209
Name
Leslie John Derdeyn
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
F3900 TX
Self-reported in NPPES; status is on the state search
Practice location
13737 Noel RD Ste 1600, Dallas, TX 75240
Phone
(303) 933-8270
Enumerated
Jul 19, 2005
Record last updated
May 31, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(303) 933-8270
Medicaid ID
132261203 TX
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest diagnostic radiology physician records → All 3,124 in Texas → Look up another NPI →

Also registered at 13737 Noel RD Ste 1600

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jordan Bell, M.D.Emergency Medicine Physician1760894497
  2. Maritza Cantarero, FNPNurse Practitioner1124712062
  3. Richard Carregal, D.O.Diagnostic Radiology Physician1053641746
  4. Randy Colvin, M.D.Emergency Medicine Physician1992097406
  5. Kristina Hernandez, D.O.Internal Medicine Physician1801057112
  6. Miguel Hernandez, MDInternal Medicine Physician1689835993

Verify Leslie John Derdeyn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license F3900    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Leslie John Derdeyn among 3,124 diagnostic radiology physician records in Texas

Leslie John Derdeyn, MD is one of 3,124 diagnostic radiology physician records with a practice address in Texas. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 85% newer
  • In a Medicare fileNo · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 73% of these records are
  • Record last updated2013 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

495 diagnostic radiology physician records list a practice address in Dallas

They are 495 of the 36,304 NPPES records with a practice address in Dallas, and 3,124 diagnostic radiology physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 3,124 in Texas → Every provider in Dallas → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Richard Carregal, D.O.Dallas, TX 752401053641746
  2. Stanley Higgins, M.D.Dallas, TX 752401649271131
  3. Catherine Keegan, MDDallas, TX 752401861656977
  4. Adam Morgan, M.D.Dallas, TX 752401760454003
  5. Carl Recine, MDDallas, TX 752401013979780
  6. Robert Barner, M.D.Dallas, TX 752431184814972
  7. Kellie MarksDallas, TX 752431518341916
  8. Michael Gregg, MDDallas, TX 752441730188640

Common questions

What is Leslie John Derdeyn, MD's NPI number?

Leslie John Derdeyn, MD's National Provider Identifier (NPI) is 1831198209, issued on Jul 19, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Leslie John Derdeyn, MD located?

The NPPES record lists a practice address at 13737 Noel RD Ste 1600, Dallas, TX, 75240. Phone: (303) 933-8270. Providers update this record themselves, so call before visiting.

How can I verify Leslie John Derdeyn, MD's license?

NPPES lists Texas license number F3900, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.