Marion Trybula, M.D.
NPI 1396722328 · Hematology & Oncology Physician · Merrillville, IN
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marion Trybula, M.D. is a Hematology & Oncology Physician provider in Merrillville, IN (NPI 1396722328).
Provider details
- NPI number
- 1396722328
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 01045710 (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-30
- Last updated
- 2013-02-18
Frequently asked questions
- What is Marion Trybula's NPI number?
- Marion Trybula's National Provider Identifier (NPI) is 1396722328, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marion Trybula's specialty?
- Marion Trybula is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Marion Trybula located?
- Marion Trybula's practice location on file with NPPES is 200 E 89th Ave, Merrillville, IN 46410-7319.
- What is Marion Trybula's phone number?
- The practice phone number listed in the NPPES registry for Marion Trybula is (219) 736-2800.
- Does Marion Trybula accept Medicare?
- Marion Trybula is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marion Trybula's NPI active?
- Yes — Marion Trybula's NPI (1396722328) is active in the NPPES registry as of the last update on 2013-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.