GILLIAN MARIE ELIZABETH BELNAVIS M.B.,B.S.
NPI 1003347170
Internal Medicine - Interventional Cardiology in Marion, OH
About Gillian Marie Elizabeth Belnavis M.b.,b.s. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GILLIAN MARIE ELIZABETH BELNAVIS M.B.,B.S. (NPI 1003347170) is an individual interventional cardiology provider in Marion, Ohio, licensed in Ohio (35.141439) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, is affiliated with Riverside Methodist Hospital, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Gillian Marie Elizabeth Belnavis M.b.,b.s. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Gillian Belnavis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Marion, OH 43302
- Reassigned Medicare billing, Ohio enrollment
- 423 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Riverside Methodist Hospital
Acute Care Hospitals · Columbus, OHMarion General Hospital
Acute Care Hospitals · Marion, OHWyandot Memorial Hospital
Critical Access Hospitals · Upper Sandusky, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 43302 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MARION, OH 43302
MARION, OH 43302
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 Gillian Belnavis's NPI number?
The NPI number for Gillian Belnavis is 1003347170. It was assigned to this individual provider in the NPPES registry on March 21, 2017.
Where is Gillian Belnavis located?
Gillian Belnavis practices at 278 Barks Rd W, Marion, OH 43302. The listed phone number is (740) 383-7980.
What is Gillian Belnavis's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.
Is Gillian Belnavis enrolled in Medicare?
Yes. Gillian Belnavis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Gillian Belnavis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gillian Belnavis reassigns Medicare benefits to Marion Area Physicians LLC (Marion, OH). 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 Gillian Belnavis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gillian Belnavis accept?
Health plans from Anthem Blue Cross and Blue Shield and MedMutual list Gillian Belnavis as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Gillian Belnavis affiliated with any hospitals?
According to CMS data, Gillian Belnavis is affiliated with Riverside Methodist Hospital, Marion General Hospital and Wyandot Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Gillian Belnavis was last updated on October 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.
# Gillian Marie Elizabeth Belnavis, M.B.,B.S. · NPI 1003347170
Interventional Cardiology physician in Marion, Ohio. Individual provider, active in the CMS NPPES registry since March 21, 2017.
## Identity
- **NPI:** 1003347170 (Entity type: Individual)
- **Enumerated:** March 21, 2017
- **Primary specialty:** Internal Medicine - Interventional Cardiology · taxonomy 207RI0011X
- **State license:** 35.141439 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 278 BARKS RD W, Marion, OH 43302-7367
- **Phone:** (740) 383-7980 · **Fax:** (740) 383-3040
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Marion Area Physicians LLC (NPI 1619230802, Marion, OH), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** October 27, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1003347170) · Data from the CMS NPPES public registry.