Douglas R. Merritt, M.D.
Ophthalmology Physician · Grants Pass, OR
Douglas R. Merritt, M.D. is an ophthalmology physician with a practice address in Grants Pass, Oregon, and NPI 1093718322, issued on May 31, 2005. Check the license (Oregon MD16756, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Douglas R. Merritt
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- MD16756 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1226 NE 7TH St, Grants Pass, OR 97526
- Phone
- (541) 476-6636
- Enumerated
- May 31, 2005
- Record last updated
- Jul 6, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (541) 476-6690
- Medicaid ID
- 009477 OR
- Medicare enrollment
- Enrolled (PECOS I20100825000200); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At Houston, 1986
- Entity
- Type 1 · individual
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
- Matthew Guymon, D.O.Ophthalmology Physician1205120730
- Maisha Langella, O.D.Optometrist1104116532
- Rodney Leavitt, M.D.Ophthalmology Physician1982630695
- Russell Leavitt, M.D.Ophthalmology Physician1376546614
Verify Douglas R. Merritt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD16756Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average ophthalmology physician in 2024
793 Medicare Part D claims for 175 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims.
Most prescribed
- Latanoprost385 claims
- Timolol Maleate239 claims
- Brimonidine Tartrate38 claims
- Lumigan24 claims
- Dorzolamide Hcl18 claims
- Prednisolone Acetate17 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).
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).
Ophthalmology Physician providers in Oregon
There are 322 ophthalmology physician records in Oregon.
Other ophthalmology physician records in Oregon
- Aazy Aaby, MDPortland, OR1164404232
- Blake Acohido, M.D.Portland, OR1518100734
- Bart Adams, MDPendleton, OR1851344667
- Adam Ahmadi, MDHermiston, OR1942294038
- Talal Alabduljalil, MDPortland, OR1689044273
- Daniel Albert, MDPortland, OR1801862388
- Ronald Allen, D.O.Portland, OR1376516294
- Asem Alqudah, MDPortland, OR1861736902
- Ida Alul, M.D.Bend, OR1770797060
- Balamurali Ambati, MDEugene, OR1750397576
Common questions
What is Douglas R. Merritt, M.D.'s NPI number?
Douglas R. Merritt, M.D.'s National Provider Identifier (NPI) is 1093718322, issued on May 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Douglas R. Merritt, M.D. located?
The NPPES record lists a practice address at 1226 NE 7TH St, Grants Pass, OR, 97526. Phone: (541) 476-6636. Providers update this record themselves, so call before visiting.
How can I verify Douglas R. Merritt, M.D.'s license?
NPPES lists Oregon license number MD16756, 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 Douglas R. Merritt, M.D. prescribe under Medicare Part D?
In 2024, Douglas R. Merritt, M.D. had 793 Medicare Part D claims for 175 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Douglas R. Merritt, M.D.'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.