Gregory Clell Riffle, MD
Ophthalmology Physician · Mentor, OH
Gregory Clell Riffle, MD is an ophthalmology physician with a practice address in Mentor, Ohio, and NPI 1669474938, issued on Jun 1, 2005. Check the license (Ohio 35-04-2489-R, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Gregory Clell Riffle
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 35-04-2489-R OH
Self-reported in NPPES; status is on the state search - Practice location
- 8140 Norton Pkwy Ste 110, Mentor, OH 44060
- Phone
- (440) 255-1115
- Enumerated
- Jun 1, 2005
- Record last updated
- Aug 19, 2024
- Fax
- (440) 255-1550
- Medicare enrollment
- Enrolled (PECOS I20100329000681); accepts Medicare assignment
- Medical or professional school
- Ohio University, College Of Osteopathic Medicine, 2013
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 751 in Ohio → Look up another NPI →
Also registered at 8140 Norton Pkwy Ste 110
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gregory Eippert, MDOphthalmology Physician1730181934
- Carrie Happ-Smith, M.D.Ophthalmology Physician1124306485
- Erin Nichols, M.D.Ophthalmology Physician1053774489
- Lisa Ward, MDOphthalmology Physician1598768855
Verify Gregory Clell Riffle in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35-04-2489-RCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% fewer Medicare Part D claims than the average ophthalmology physician in 2024
1,419 Medicare Part D claims for 462 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.
Most prescribed
- Prednisolone Acetate425 claims
- Latanoprost393 claims
- Timolol Maleate105 claims
- Brimonidine Tartrate89 claims
- Dorzolamide-Timolol51 claims
- Restasis50 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): 86.6 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $92.93
4 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Ophthalmic Physicians, IncMentor, OH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory Clell Riffle among 751 ophthalmology physician records in Ohio
Gregory Clell Riffle, MD is one of 751 ophthalmology physician records with a practice address in Ohio. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 75% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2013 · median 2002 among the 495 with a school on file
- Record last updated2024 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Ohio
There are 751 ophthalmology physician records in Ohio.
All 751 in Ohio → Every provider in Mentor → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Gregory Eippert, MDMentor, OH 440601730181934
- Carrie Happ-Smith, M.D.Mentor, OH 440601124306485
- Erin Nichols, M.D.Mentor, OH 440601053774489
- Ronald Posner, MDMentor, OH 440601952306961
- Michael Rom, MDMentor, OH 440601982643102
- Lisa Ward, MDMentor, OH 440601598768855
- Aimee Haber, M.D.Lorain, OH 440531851583322
- Stella Paparizos, MDLorain, OH 440531871737262
Common questions
What is Gregory Clell Riffle, MD's NPI number?
Gregory Clell Riffle, MD's National Provider Identifier (NPI) is 1669474938, issued on Jun 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory Clell Riffle, MD located?
The NPPES record lists a practice address at 8140 Norton Pkwy Ste 110, Mentor, OH, 44060. Phone: (440) 255-1115. Providers update this record themselves, so call before visiting.
How can I verify Gregory Clell Riffle, MD's license?
NPPES lists Ohio license number 35-04-2489-R, 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 Clell Riffle, MD prescribe under Medicare Part D?
In 2024, Gregory Clell Riffle, MD had 1,419 Medicare Part D claims for 462 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Gregory Clell Riffle, MD's MIPS final score?
The 2023 MIPS final score is 86.6 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.