Matthew Guymon, D.O.
Ophthalmology Physician · Grants Pass, OR
Matthew Guymon, D.O. is an ophthalmology physician with a practice address in Grants Pass, Oregon, and NPI 1205120730, issued on Jun 1, 2011. Check the license (Oregon DO172760, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Matthew Guymon
- Credential
- D.O.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- DO172760 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1226 NE 7TH St, Grants Pass, OR 97526
- Phone
- (810) 606-5000
- Enumerated
- Jun 1, 2011
- Record last updated
- Jun 12, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150721001556); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 322 in Oregon → Look up another NPI →
Also registered at 1226 NE 7TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Davidian, MDOphthalmology Physician1912071036
- Matthew Fullmer, DOStudent in an Organized Health Care Education/Training Program1841786829
- Maisha Langella, O.D.Optometrist1104116532
- Rodney Leavitt, M.D.Ophthalmology Physician1982630695
- Russell Leavitt, M.D.Ophthalmology Physician1376546614
- Mark Maffett, M.D.Ophthalmology Physician1760489991
Verify Matthew Guymon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO172760Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average ophthalmology physician in 2024
1,008 Medicare Part D claims for 239 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Latanoprost415 claims
- Timolol Maleate173 claims
- Prednisolone Acetate70 claims
- Brimonidine Tartrate58 claims
- Ofloxacin56 claims
- Ketorolac Tromethamine52 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): 92.7 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: $67.20
3 payments; by number, the most common kind was food and beverage; the largest payer was Rayner Intraocular Lenses Limited. 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
- Cascade Eyecare Center PCGrants Pass, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Guymon among 322 ophthalmology physician records in Oregon
Matthew Guymon, D.O. is one of 322 ophthalmology physician records with a practice address in Oregon. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 71% of them.
- NPI issued2011 · 71% of these records are older, 25% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2011 · median 2007 among the 189 with a school on file
- Record last updated2018 · 63% 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 Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Oregon
There are 322 ophthalmology physician records in Oregon.
All 322 in Oregon → Every provider in Grants Pass → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- James Davidian, MDGrants Pass, OR 975261912071036
- Russell Leavitt, M.D.Grants Pass, OR 975261376546614
- Rodney Leavitt, M.D.Grants Pass, OR 975261982630695
- Mark Maffett, M.D.Grants Pass, OR 975261760489991
- Douglas Merritt, M.D.Grants Pass, OR 975261093718322
- William Epstein, MDAshland, OR 975201740285667
- Robert Ewing, MDAshland, OR 975201548265267
- Jared Fredrickson, MDAshland, OR 975201902394893
Common questions
What is Matthew Guymon, D.O.'s NPI number?
Matthew Guymon, D.O.'s National Provider Identifier (NPI) is 1205120730, issued on Jun 1, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Guymon, D.O. located?
The NPPES record lists a practice address at 1226 NE 7TH St, Grants Pass, OR, 97526. Phone: (810) 606-5000. Providers update this record themselves, so call before visiting.
How can I verify Matthew Guymon, D.O.'s license?
NPPES lists Oregon license number DO172760, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Matthew Guymon, D.O. prescribe under Medicare Part D?
In 2024, Matthew Guymon, D.O. had 1,008 Medicare Part D claims for 239 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Matthew Guymon, D.O.'s MIPS final score?
The 2023 MIPS final score is 92.7 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.