NPPES file of Aug 9, 2026

Martin Leroy Koonsman, M.D.

Surgical Oncology Physician · Dallas, TX

Martin Leroy Koonsman, M.D. is a surgical oncology physician with a practice address in Dallas, Texas, and NPI 1992746580, issued on Jun 8, 2006. Check the license (Texas H6352, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1992746580
Name
Martin Leroy Koonsman
Credential
M.D.
Primary taxonomy
Surgical Oncology Physician 2086X0206X
License number
H6352 TX
Self-reported in NPPES; status is on the state search
Practice location
221 W Colorado Blvd, Dallas, TX 75208
Phone
(214) 943-8605
Enumerated
Jun 8, 2006
Record last updated
Apr 11, 2023
Fax
(214) 946-8339
Medicaid IDs
097588001 TX
097588003 TX
Medicare enrollment
Enrolled (PECOS I20110413001040); accepts Medicare assignment
Medical or professional school
Texas Tech University Health Science Center School Of Medicine, 1988
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest surgical oncology physician records → All 206 in Texas → Look up another NPI →

Also registered at 221 W Colorado Blvd

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

  1. Petra Adams, AGACNPAcute Care Nurse Practitioner1760857684
  2. Brittany AlexanderAcute Care Nurse Practitioner1609470350
  3. Joseph Amos, MDSurgery Physician1629012588
  4. Howard Anderson, M.D.Internal Medicine Physician1396825006
  5. Antonio Arazoza, M.D.Orthopaedic Surgery Physician1154393577
  6. Hermine Ariyibi, NPAdult Health Nurse Practitioner1568615417

Verify Martin Leroy Koonsman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license H6352    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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Bills Medicare through one group practice

  1. Texas Oncology PADallas, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Martin Leroy Koonsman among 206 surgical oncology physician records in Texas

Martin Leroy Koonsman, M.D. is one of 206 surgical oncology physician records with a practice address in Texas. 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 2% of them.

  • NPI issued2006 · 2% of these records are older, 63% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 78% of these records are
  • Graduated1988 · median 2005 among the 161 with a school on file
  • Record last updated2023 · 46% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086X0206X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgical Oncology Physician providers in Texas

There are 206 surgical oncology physician records in Texas.

All 206 in Texas → Every provider in Dallas → Surgical Oncology Physician nationwide →

The 8 surgical oncology physician records with the nearest ZIP codes

  1. Katrina Birdwell, M.D.Dallas, TX 752081508067760
  2. David Kang, MD, DDS, MS, FACSDallas, TX 752031073601951
  3. Allison Dipasquale, M.D.Dallas, TX 752301003045386
  4. Christine Landry, MDDallas, TX 752301083742662
  5. William McNamara, M.D.Dallas, TX 752301720235427
  6. Peter Beitsch, M.D.Dallas, TX 752311336187731
  7. Archana Ganaraj, MDDallas, TX 752311336173475
  8. Carolyn Thomas, MDDallas, TX 752311366680860

Common questions

What is Martin Leroy Koonsman, M.D.'s NPI number?

Martin Leroy Koonsman, M.D.'s National Provider Identifier (NPI) is 1992746580, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Martin Leroy Koonsman, M.D. located?

The NPPES record lists a practice address at 221 W Colorado Blvd, Dallas, TX, 75208. Phone: (214) 943-8605. Providers update this record themselves, so call before visiting.

How can I verify Martin Leroy Koonsman, M.D.'s license?

NPPES lists Texas license number H6352, 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. Medicare files from data.cms.gov. 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.