John D. Trenkner, M.D.
Radiation Oncology Physician · Fort Wayne, IN
John D. Trenkner, M.D. is a radiation oncology physician with a practice address in Fort Wayne, Indiana, and NPI 1801823786, issued on Jun 27, 2006. Check the license (Indiana 01026390A, as entered in NPPES) on the Medical Licensing Board of Indiana; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John D. Trenkner
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 01026390A IN
Self-reported in NPPES; status is on the state search - Practice location
- 7910 W Jefferson Blvd, Fort Wayne, IN 46804
- Phone
- (260) 436-4116
- Enumerated
- Jun 27, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (260) 436-1878
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 135 in Indiana → Look up another NPI →
Also registered at 7910 W Jefferson Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Deborah Baresic, WHNPObstetrics & Gynecology Nurse Practitioner1336351089
- V Bradley, NPAdult Health Nurse Practitioner1770535668
- Steven Cohen, MDPediatrics Physician1215932579
- Christopher Danby, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1780686410
- William Deschner, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1811999626
Verify John D. Trenkner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01026390ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John D. Trenkner among 135 radiation oncology physician records in Indiana
John D. Trenkner, M.D. is one of 135 radiation oncology physician records with a practice address in Indiana. 79% 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 2006, is newer than 26% of them.
- NPI issued2006 · 26% of these records are older, 46% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 76% of these records are
- Record last updated2007 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in Indiana
There are 135 radiation oncology physician records in Indiana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 135 in Indiana → Every provider in Fort Wayne → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Deepchand Bajpai, MDFort Wayne, IN 468041366442568
- Xiaofeng ChenFort Wayne, IN 468041366021461
- Nathan Comsia, MDFort Wayne, IN 468041407010572
- Rao Mantravadi, MDFort Wayne, IN 468041194726927
- Mark Ranck, M.D.Fort Wayne, IN 468041578710471
- Charles Vu, MDFort Wayne, IN 468041306256177
- Zhigang Yuan, MDFort Wayne, IN 468041194103317
- Michael Shroads, M.D.Roanoke, IN 467831003265208
Common questions
What is John D. Trenkner, M.D.'s NPI number?
John D. Trenkner, M.D.'s National Provider Identifier (NPI) is 1801823786, issued on Jun 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John D. Trenkner, M.D. located?
The NPPES record lists a practice address at 7910 W Jefferson Blvd, Fort Wayne, IN, 46804. Phone: (260) 436-4116. Providers update this record themselves, so call before visiting.
How can I verify John D. Trenkner, M.D.'s license?
NPPES lists Indiana license number 01026390A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. 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.
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.