NPPES file of Aug 9, 2026

Gillian Marie Elizabeth Belnavis, M.B.,B.S.

Interventional Cardiology Physician · Marion, OH

Gillian Marie Elizabeth Belnavis, M.B.,B.S. is an interventional cardiology physician with a practice address in Marion, Ohio, and NPI 1003347170, issued on Mar 21, 2017. Check the license (Ohio 35.141439, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003347170
Name
Gillian Marie Elizabeth Belnavis
Credential
M.B.,B.S.
Primary taxonomy
Interventional Cardiology Physician 207RI0011X
License number
35.141439 OH
Self-reported in NPPES; status is on the state search
Practice location
278 Barks RD W, Marion, OH 43302
Phone
(740) 383-7980
Enumerated
Mar 21, 2017
Record last updated
Oct 27, 2025
Fax
(740) 383-3040
Medicare enrollment
Enrolled (PECOS I20250813000873); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 278 Barks RD W

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

  1. Najeeb Ahmed, M.D.Cardiovascular Disease Physician1972574275
  2. Lauran Bauer, CNPFamily Nurse Practitioner1407643976
  3. Jessica BrewerFamily Nurse Practitioner1649903089
  4. Cody Carter, DOInterventional Cardiology Physician1174012132
  5. Heather Columber, D.O.Family Medicine Physician1548238371
  6. Abbie Engler, PA-CPhysician Assistant1063196194

Verify Gillian Marie Elizabeth Belnavis in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersState Medical Board of Ohio
    Search for license 35.141439
    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 Ohio license search

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92% fewer Medicare Part D claims than the average interventional cardiology physician in 2024

254 Medicare Part D claims for 84 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Gillian Belnavis254
  2. Specialty average3,179

Most prescribed

  1. Atorvastatin Calcium27 claims
  2. Metoprolol Succinate23 claims
  3. Eliquis21 claims
  4. Rosuvastatin Calcium20 claims
  5. Isosorbide Mononitrate Er16 claims
  6. Losartan Potassium13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Marion Area Physicians LLCMarion, OH

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Interventional Cardiology Physician providers in Ohio

There are 263 interventional cardiology physician records in Ohio.

Other interventional cardiology physician records in Ohio

  1. Charles Abbottsmith, M.D.Cincinnati, OH1346226388
  2. Mouhamad Abdallah, MD, PHDFranklin, OH1972714251
  3. Abdelhamed Abdelhamed, MDDayton, OH1164425443
  4. Ahmad Abdul Karim, MDDayton, OH1356347421
  5. Umair Ahmad, MDMarysville, OH1588891188
  6. Imtiaz Ahmed, M.D.Marion, OH1407916505
  7. Ismail Ahmed, MDElyria, OH1356324115
  8. Mohamed Ahmed, MDPickerington, OH1164681201
  9. Muhammad AjmalCincinnati, OH1639552433
  10. Mohammed Al-AmoodiMontgomery, OH1083866149

Common questions

What is Gillian Marie Elizabeth Belnavis, M.B.,B.S.'s NPI number?

Gillian Marie Elizabeth Belnavis, M.B.,B.S.'s National Provider Identifier (NPI) is 1003347170, issued on Mar 21, 2017. An NPI identifies a provider in billing; it is not a license.

Where is Gillian Marie Elizabeth Belnavis, M.B.,B.S. located?

The NPPES record lists a practice address at 278 Barks RD W, Marion, OH, 43302. Phone: (740) 383-7980. Providers update this record themselves, so call before visiting.

How can I verify Gillian Marie Elizabeth Belnavis, M.B.,B.S.'s license?

NPPES lists Ohio license number 35.141439, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Gillian Marie Elizabeth Belnavis, M.B.,B.S. prescribe under Medicare Part D?

In 2024, Gillian Marie Elizabeth Belnavis, M.B.,B.S. had 254 Medicare Part D claims for 84 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.