NPPES file of Aug 9, 2026

Gregory Robert Dion, M.D.

Otolaryngology Physician · Cincinnati, OH

Gregory Robert Dion, M.D. is an otolaryngology physician with a practice address in Cincinnati, Ohio, and NPI 1831413608, issued on Mar 22, 2010. Check the license (Ohio 35.144394, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831413608
Name
Gregory Robert Dion
Credential
M.D.
Primary taxonomy
Otolaryngology Physician 207Y00000X
License numbers
35.144394 OH
278551-1 NY
Self-reported in NPPES; status is on the state search
Practice location
3113 Bellevue Ave, Cincinnati, OH 45219
Phone
(513) 475-8400
Enumerated
Mar 22, 2010
Record last updated
May 10, 2022
Fax
(513) 475-8228
Medicare enrollment
Enrolled (PECOS I20220504000269); accepts Medicare assignment
Medical or professional school
Virginia Commonwealth University, School Of Medicine, 2010
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 3113 Bellevue Ave

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

  1. Amir AhmedStudent in an Organized Health Care Education/Training Program1114667771
  2. Al-Hassan Allam, MDStudent in an Organized Health Care Education/Training Program1083418636
  3. Gustavo Arce Gomez, MDNeurology Physician1144807801
  4. Yasmin AzizNeurology Physician1578917621
  5. Meredith Baum, AU.D.Audiologist1780840694
  6. Connor BluntsonStudent in an Organized Health Care Education/Training Program1699525238

Verify Gregory Robert Dion 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 35.144394
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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65% fewer Medicare Part D claims than the average otolaryngology physician in 2024

190 Medicare Part D claims for 67 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. 43 claims were for opioids.

  1. Gregory Dion190
  2. Specialty average541

Most prescribed

  1. Omeprazole28 claims
  2. Famotidine21 claims
  3. Gabapentin21 claims
  4. Tramadol Hcl21 claims
  5. Oxycodone Hcl13 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 78.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score70.4
  2. Costout of 100 · 30%58.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $517.67

3 payments; by number, the most common kind was food and beverage; the largest payer was Steris Corporation. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gregory Dion$517.67
  2. Specialty average$1,922.50

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. University OF Cincinnati Physicians Company LLCCincinnati, OH

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

Gregory Robert Dion among 440 otolaryngology physician records in Ohio

Gregory Robert Dion, M.D. is one of 440 otolaryngology physician records with a practice address in Ohio. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 57% of them.

  • NPI issued2010 · 57% of these records are older, 41% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2010 · median 2007 among the 283 with a school on file
  • Record last updated2022 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in Ohio

There are 440 otolaryngology physician records in Ohio.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Collin Burkart, MDCincinnati, OH 452191851502140
  2. Esther Cheng, M.D.Cincinnati, OH 452191346667623
  3. Ryan Collar, MDCincinnati, OH 452191144348558
  4. Aaron Friedman, M.D.Cincinnati, OH 452191609057587
  5. Adam Goodale, M.D.Cincinnati, OH 452191396001673
  6. Matthew Hensler, M.D.Cincinnati, OH 452191235455833
  7. Thomas Kereiakes, M.D.Cincinnati, OH 452191437190923
  8. Ernest Manders, M.D.Cincinnati, OH 452191710928288

Common questions

What is Gregory Robert Dion, M.D.'s NPI number?

Gregory Robert Dion, M.D.'s National Provider Identifier (NPI) is 1831413608, issued on Mar 22, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Robert Dion, M.D. located?

The NPPES record lists a practice address at 3113 Bellevue Ave, Cincinnati, OH, 45219. Phone: (513) 475-8400. Providers update this record themselves, so call before visiting.

How can I verify Gregory Robert Dion, M.D.'s license?

NPPES lists Ohio license number 35.144394, 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 Gregory Robert Dion, M.D. prescribe under Medicare Part D?

In 2024, Gregory Robert Dion, M.D. had 190 Medicare Part D claims for 67 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.

What is Gregory Robert Dion, M.D.'s MIPS final score?

The 2023 MIPS final score is 78.8 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.