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DR. MARION A. TRYBULA M.D.
NPI 1396722328
Internal Medicine - Hematology & Oncology in Merrillville, IN

Active since December 30, 2005PECOS Enrolled
200 E 89TH AVE, SUITE 2A, MERRILLVILLE, IN 46410(219) 736-2800(219) 736-6680 Get Directions Write a Review

NPPES record last updated: February 18, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Marion A. Trybula M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARION A. TRYBULA M.D. (NPI 1396722328) is an individual hematology & oncology provider in Merrillville, Indiana, licensed in Indiana (01045710) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1396722328
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. MARION A. TRYBULACredential: M.D.
Location Address200 E 89TH AVE, SUITE 2AMerrillville, IN 46410-7319
Mailing Address200 E 89th Ave, Suite 2aMerrillville, IN 46410-7319 · (219) 736-2800 · Fax (219) 736-6680
Phone(219) 736-2800
Fax(219) 736-6680
Sole ProprietorNo
Enumeration DateDecember 30, 2005
Last NPPES UpdateFebruary 18, 2013
✔ NPI 1396722328 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in IN · 01045710
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
200 E 89TH AVE, Merrillville, IN 46410
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Other Identifiers 11

Other000000085042Indiana Carpenters
Other000000085042IN · Anthem
Other200101980AMolina
Other9210030Advocate Pho
Other238805Wellcare
Other000000085042Unicare
Other830003898Travelers Medicare
Other238805Harmony Health
Medicaid200101980IN
Medicare UPINB57214IN
Other91115213IL · Blue Cross/blue Shield

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Marion A. Trybula M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Marion Trybula reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Suniti Medical Corporation
0.2 mi
Specialist
200 EAST 89TH AVENUE, SUITE 2A
Merrillville, IN 46410
  • Reassigned Medicare billing, Indiana enrollment
  • 11 clinicians in this Medicare group
NPI 1285667550 (219) 736-2800

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46410 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$161.76 typical visit price
range $53.07 – $161.76
Typical copayment $40.44 (range $13.26 – $40.44)
Most-billed visit code 99205
Established Patient
$94.22 typical visit price
range $16.93 – $132.22
Typical copayment $23.55 (range $4.23 – $33.05)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 17

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. AMELIA H TEAS DNP APRN AG/ACNP-BC
Nurse Practitioner (Acute Care)
200 E 89TH AVE
MERRILLVILLE, IN 46410
Lake County (219) 738-4926
EBONY WHITESIDE
Nurse Practitioner
200 E 89TH AVE
MERRILLVILLE, IN 46410
Lake County (219) 644-3957
MAHER AJAM, M.D., P.C.
Internal Medicine (Nephrology)
200 E 89TH AVE
MERRILLVILLE, IN 46410
Lake County (219) 736-8006
KRISTY DARNELL RN,MSN, FNP-BC, CNRN
Registered Nurse (Neuroscience)
200 E 89TH AVE
MERRILLVILLE, IN 46410
Lake County (218) 738-4930
JULIE ANN PRIEBOY CFNP
Clinical Nurse Specialist (Oncology)
200 E 89TH AVE, 2A
MERRILLVILLE, IN 46410
Lake County (219) 736-2800
DR. RAM NARAYAN M.D.
Radiology (Radiation Oncology)
200 E 89TH AVE
MERRILLVILLE, IN 46410
Lake County (219) 738-5598
DR. MOHAMAD HYTHAM RIFAI MD
Neurological Surgery
200 E 89TH AVE, SUITE 3A
MERRILLVILLE, IN 46410
Lake County (219) 756-2900
GEETA KURRA M.D
Internal Medicine (Hematology & Oncology)
200 E 89TH AVE, SUITE 2A
MERRILLVILLE, IN 46410
Lake County (219) 736-2800

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marion Trybula's NPI number?

The NPI number for Marion Trybula is 1396722328. It was assigned to this individual provider in the NPPES registry on December 30, 2005.

Where is Marion Trybula located?

Marion Trybula practices at 200 E 89th Ave Suite 2A, Merrillville, IN 46410. The listed phone number is (219) 736-2800.

What is Marion Trybula's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Marion Trybula enrolled in Medicare?

Yes. Marion Trybula is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Marion Trybula's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marion Trybula reassigns Medicare benefits to Suniti Medical Corporation (Merrillville, IN). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marion Trybula's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Marion Trybula was last updated on February 18, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.