Douglas Merritt, M.D.
NPI 1093718322 · Ophthalmology Physician · Grants Pass, OR
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas Merritt, M.D. is a Ophthalmology Physician provider in Grants Pass, OR (NPI 1093718322).
Provider details
- NPI number
- 1093718322
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD16756 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
21 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
646 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Complete Exam of Visual System92014 | 350 | $123 |
| Imaging of Optic Nerve92133 | 66 | $36 |
| Established Patient Problem Focused Exam of Visual System92012 | 60 | $87 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 48 | $125 |
| Exam of Visual Field With Extended Testing92083 | 47 | $62 |
| New Patient Complete Exam of Visual System92004 | 43 | $146 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Latanoprost | 385 | 105 |
| Timolol Maleate | 239 | 71 |
| Brimonidine Tartrate | 38 | 12 |
| Bimatoprostbrand: Lumigan | 24 | — |
| Dorzolamide Hcl | 18 | — |
| Prednisolone Acetate | 17 | — |
| Fluorometholone | 14 | — |
| Dorzolamide Hcl/Timolol Maleatbrand: Dorzolamide-Timolol |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-05-31
- Last updated
- 2011-07-06
Frequently asked questions
- What is Douglas Merritt's NPI number?
- Douglas Merritt's National Provider Identifier (NPI) is 1093718322, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Merritt's specialty?
- Douglas Merritt is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Merritt located?
- Douglas Merritt's practice location on file with NPPES is 1226 Ne 7th St, Grants Pass, OR 97526-1424.
- What is Douglas Merritt's phone number?
- The practice phone number listed in the NPPES registry for Douglas Merritt is (541) 476-6636.
- Does Douglas Merritt accept Medicare?
- Douglas Merritt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Douglas Merritt's NPI active?
- Yes — Douglas Merritt's NPI (1093718322) is active in the NPPES registry as of the last update on 2011-07-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.