David Demill, M.D.
NPI 1366783631 · Cornea and External Diseases Specialist Physician · Portland, OR
Enrolled with Medicare as Practitioner - Ophthalmology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Demill, M.D. is a Cornea and External Diseases Specialist Physician provider in Portland, OR (NPI 1366783631).
Provider details
- NPI number
- 1366783631
- Entity type
- Individual
- Primary specialty
- Cornea and External Diseases Specialist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 10215714-8905 (UT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,498 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 318 | $118 |
| Removal of Cataract With Insertion of Prosthetic Lens66984 | 226 | $467 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 205 | $122 |
| Measurement of Corneal Curvature and Depth of Eye92136 | 190 | $38 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 171 | $86 |
| Imaging of Retina92134 | 142 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 21 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisolone Acetate | 826 | 429 |
| Latanoprost | 375 | 82 |
| Fluorometholone | 359 | 95 |
| Ofloxacin | 346 | 261 |
| Doxycycline Monohydrate | 138 | 36 |
| Erythromycin Basebrand: Erythromycin | 133 | 63 |
| Cyclosporine | 105 | 39 |
| Timolol Maleate | 105 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$207 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-03-11
- Last updated
- 2019-05-02
Frequently asked questions
- What is David Demill's NPI number?
- David Demill's National Provider Identifier (NPI) is 1366783631, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Demill's specialty?
- David Demill is listed in the NPPES registry with a primary specialty of Cornea and External Diseases Specialist Physician (Allopathic & Osteopathic Physicians).
- Where is David Demill located?
- David Demill's practice location on file with NPPES is 1040 Nw 22nd Ave, Portland, OR 97210-3057.
- What is David Demill's phone number?
- The practice phone number listed in the NPPES registry for David Demill is (503) 413-8498.
- Does David Demill accept Medicare?
- David Demill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Demill's NPI active?
- Yes — David Demill's NPI (1366783631) is active in the NPPES registry as of the last update on 2019-05-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.