NPPES file of Aug 9, 2026

Marion A. Trybula, M.D.

Hematology & Oncology Physician · Merrillville, IN

Marion A. Trybula, M.D. is a hematology & oncology physician with a practice address in Merrillville, Indiana, and NPI 1396722328, issued on Dec 30, 2005. Check the license (Indiana 01045710, as entered in NPPES) on the Medical Licensing Board of Indiana; 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
1396722328
Name
Marion A. Trybula
Credential
M.D.
Primary taxonomy
Hematology & Oncology Physician 207RH0003X
License number
01045710 IN
Self-reported in NPPES; status is on the state search
Practice location
200 E 89TH Ave, Merrillville, IN 46410
Phone
(219) 736-2800
Enumerated
Dec 30, 2005
Record last updated
Feb 18, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(219) 736-6680
Medicaid ID
200101980 IN
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.
Download card Updates feed

8 nearest hematology & oncology physician records → All 245 in Indiana → Look up another NPI →

Also registered at 200 E 89TH Ave

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

  1. Bharat Barai, M.D.Hematology & Oncology Physician1649257650
  2. Panna Barai, M.D.Obstetrics & Gynecology Physician1932186954
  3. Kristy Darnell, RN,MSN, FNP-BC, CNRNNeuroscience Registered Nurse1316244528
  4. Geeta Kurra, M.DHematology & Oncology Physician1518035369
  5. Ram Narayan, M.D.Radiation Oncology Physician1376954693
  6. Julie Prieboy, CFNPOncology Clinical Nurse Specialist1366743114

Verify Marion A. Trybula in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Licensing Board of Indiana
    Search for license 01045710    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 Indiana 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Marion A. Trybula among 245 hematology & oncology physician records in Indiana

Marion A. Trybula, M.D. is one of 245 hematology & oncology physician records with a practice address in Indiana. 82% 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, 87% newer
  • In a Medicare fileNo · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 72% of these records are
  • Record last updated2013 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Hematology & Oncology Physician providers in Indiana

There are 245 hematology & oncology physician records in Indiana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 245 in Indiana → Every provider in Merrillville → Hematology & Oncology Physician nationwide →

The 8 hematology & oncology physician records with the nearest ZIP codes

  1. Bharat Barai, M.D.Merrillville, IN 464101649257650
  2. Christine Cain, NPMerrillville, IN 464101396423976
  3. Husam Hafzah, MDMerrillville, IN 464101760987598
  4. Geeta Kurra, M.DMerrillville, IN 464101518035369
  5. Mahendra Shah, MDMerrillville, IN 464101801849997
  6. Virginia Tabib, M.D.Merrillville, IN 464101013985258
  7. Pimpa Tara, M.D.Merrillville, IN 464101386612687
  8. Tareq Braik, M.D.Valparaiso, IN 463831508174376

Common questions

What is Marion A. Trybula, M.D.'s NPI number?

Marion A. Trybula, M.D.'s National Provider Identifier (NPI) is 1396722328, issued on Dec 30, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Marion A. Trybula, M.D. located?

The NPPES record lists a practice address at 200 E 89TH Ave, Merrillville, IN, 46410. Phone: (219) 736-2800. Providers update this record themselves, so call before visiting.

How can I verify Marion A. Trybula, M.D.'s license?

NPPES lists Indiana license number 01045710, 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.

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.