Dr. Matthew R. Guymon, DO
- Medicare services, 2024
- 1,619
- Medicare patients, 2024
- 686
- Part D claims, 2024
- 1,008
- MIPS score, 2024
- 79
- Hospital affiliations
- 1
- Practice address
- 1226 Ne 7th St, Grants Pass, OR 97526-1424
- Practice phone
- Call (541) 476-6636
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cascade Eyecare Center
Eye care practice · Grants Pass, Oregon
Find Dr. Guymon's professional email, personal email and mobile number
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Dr. Matthew R. Guymon is an ophthalmologist in Grants Pass, Oregon
Dr. Guymon practices at Cascade Eyecare Center in Grants Pass, Oregon.
Dr. Guymon's NPI, 1205120730, was assigned on June 1, 2011. Dr. Guymon holds Oregon license DO172760.
- NPI
- 1205120730NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860705712
- NPI enumeration date
- June 1, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (541) 476-6636
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Matthew R. Guymon practices at Cascade Eyecare Center in Grants Pass, Oregon
Dr. Guymon's primary practice is Cascade Eyecare Center, at 1226 Ne 7th St, Grants Pass, OR 97526-1424. The practice phone is (541) 476-6636.
- Cascade Eyecare Center1226 Ne 7th St, Grants Pass, OR 97526-1424Phone(541) 476-6636
Source: Dmand AI Affiliation Data
Dr. Matthew R. Guymon is affiliated with 2 sites of care and 1 medical group
Dr. Guymon's primary practice is Cascade Eyecare Center in Grants Pass, Oregon. Dr. Guymon is also affiliated with Asante Three Rivers Medical Center. Dmand AI also links Dr. Guymon to 1 more medical group, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Matthew R. Guymon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Guymon practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cascade Eyecare Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Matthew R. Guymon is one of 272 ophthalmologists in Oregon
Ophthalmology is Dr. Guymon's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Guymon is licensed in Oregon.
Specialties and state licenses
- Ophthalmology, OregonPrimary
Ophthalmologists near Dr. Guymon
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Matthew R. Guymon billed Medicare for 1,619 services in 2024
CMS data shows 1,619 Medicare services from Dr. Guymon across 16 procedure codes in 2024, for 686 Medicare patients. Medicare paid $138,453 for them.
Dr. Guymon's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 9102024: 1,04615%
- Office and hospital visits
- 2023: 4482024: 4196%
- Surgery
- 2023: 1652024: 13319%
- Imaging
- 2023: 152024: 2140%
Where Dr. Guymon's Medicare services took place, 2024
- In an office1,48692%
- In a facility1338%
Dr. Guymon compared with the Oregon median for ophthalmologists, 2024
- Dr. Guymon
- Oregon median
- Medicare services
- 1,619vs 1,10047% above
- Medicare patients
- 686vs 49539% above
- Part D claims
- 955vs 56669% above
Medians across 288 ophthalmologists in Oregon with Dmand AI profiles that report each measure.
Dr. Guymon's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Matthew R. Guymon treated 686 Medicare patients in 2024, average age 75
CMS counts 686 Medicare patients who saw Dr. Guymon in 2024. The largest group is 75 to 84, with 298 patients. 69% of them have high cholesterol, and 66% have high blood pressure. 8% are also on Medicaid. Their average risk score is 1.01, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Guymon's median patient age at 73, with 61% women.
Dr. Guymon's Medicare patients by age, 2024
Dr. Guymon's Medicare patients by sex, 2024
- Women40459%
- Men28241%
Chronic conditions among Dr. Guymon's Medicare patients, 2024
- High cholesterol69%
- High blood pressure66%
- Arthritis44%
- Diabetes28%
- Chronic kidney disease24%
- Ischemic heart disease18%
- Atrial fibrillation17%
- Mood disorders17%
Share of Medicare patients with each condition. A patient can have several.
Dr. Guymon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women61%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Matthew R. Guymon wrote 1,008 Medicare Part D claims in 2024
In 2024, Dr. Guymon wrote 1,008 Medicare Part D claims for 239 patients. 73% of them were for generic drugs. CMS names the drug for 955 of them, across 13 drugs with 11 or more claims each, at $46,621 in total drug cost. In 2023, CMS named 772 claims across 11 drugs.
Dr. Guymon's Part D claims by kind of drug, 2024
- Generic739 claims73%
- Brand-name269 claims27%
Dr. Guymon's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7722024: 95524%
Drugs named by CMS: 13 in 2024, 11 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Matthew R. Guymon scored 79 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 79 out of 100 for Dr. Guymon for performance year 2024, reported as part of a group. Dr. Guymon accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 149 procedures of cataract surgery by Dr. Guymon, more than 80% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Guymon's MIPS scores, performance year 2024
- 79of 100Final score
- 82of 100Quality
- 40of 100Improvement Activities
- 53of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Guymon ranks in Medicare procedure volume
- Cataract surgery
- 80th percentile149 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Matthew R. Guymon received $228 in industry payments from 2017 to 2025
CMS Open Payments shows 11 general payments to Dr. Guymon from 9 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Rayner Intraocular Lenses Limited paid the most, $40.
General payments to Dr. Guymon by program year, 2017 to 2025
Companies that paid Dr. Guymon the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Matthew R. Guymon's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Matthew R. Guymon
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What is Dr. Matthew R. Guymon's NPI number?
Dr. Matthew R. Guymon's NPI number is 1205120730. It was assigned on June 1, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew R. Guymon?
Dr. Matthew R. Guymon is an ophthalmologist in Grants Pass, Oregon. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Matthew R. Guymon practice?
Dr. Guymon practices at 1226 Ne 7th St, Grants Pass, OR 97526-1424. Dr. Guymon's primary practice is Cascade Eyecare Center in Grants Pass, Oregon. Dmand AI also links Dr. Guymon to 1 medical group.
What is Dr. Matthew R. Guymon's office phone number?
The practice phone on file for Dr. Guymon is (541) 476-6636.
What is Dr. Matthew R. Guymon's medical license number?
Dr. Guymon holds Oregon license DO172760.
Which hospitals is Dr. Matthew R. Guymon affiliated with?
Dr. Guymon is affiliated with Asante Three Rivers Medical Center.
Does Dr. Matthew R. Guymon accept Medicare?
Yes. CMS data shows Dr. Guymon billed Medicare for 1,619 services in 2024, and Dr. Guymon accepts Medicare assignment.
What is Dr. Matthew R. Guymon's MIPS score?
Dr. Guymon's MIPS final score for performance year 2024 is 79 out of 100, reported as part of a group.
How many Medicare patients does Dr. Matthew R. Guymon see?
CMS counts 686 Medicare patients who saw Dr. Guymon in 2024, with an average age of 75.
What services does Dr. Matthew R. Guymon bill to Medicare?
In 2024, Dr. Guymon's most billed Medicare services were eye exam or test (92014), office visit, established patient (99214) and eye exam or test (92134).
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What drugs does Dr. Matthew R. Guymon prescribe most?
In 2024 Medicare Part D data, Dr. Guymon's most prescribed drugs by claims were Latanoprost, Timolol Maleate and Prednisolone Acetate.
Has Dr. Matthew R. Guymon received payments from drug or device companies?
CMS Open Payments shows $228 in general payments to Dr. Guymon from 9 companies from 2017 to 2025. The largest total came from Rayner Intraocular Lenses Limited.
How long has Dr. Matthew R. Guymon been practicing?
Dr. Guymon graduated from medical school in 2011, 15 years ago.
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