DR. DAVID LARSON DEMILL (M.D.) – Cornea and External Diseases Specialist Physician, NPI 1366783631
Cornea and External Diseases Specialist Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
343 OPHTHALMOLOGY in OR
Provider Addresses for DR. DAVID LARSON DEMILL (M.D.)
1040 NW 22ND AVE
PORTLAND, OR 972103057
Phone: (503) 413-8498
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 7 Open Payments records for all available years, with a total value of $253.
Total Amount is formed as General ($253) + Research ($0) + Ownership ($0) = $253.
Last reported payment date: 2024-11-26 • Largest payer in this snapshot: Bausch & Lomb Americas Inc. ($127).
Total Amount
$253
General + Research + Ownership
Payments
7
Total payment records
General Amount
$253
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-26
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Bausch & Lomb Americas Inc. | $127 |
| Harrow Eye, LLC | $86 |
| Alcon Vision LLC | $40 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2017-06-16
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20170616000993 | I | Ophthalmology | UT | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 92014 | Established patient complete exam of visual system | 340 | 327 | $0 |
| 66984 | Removal of cataract with insertion of prosthetic lens | 230 | 128 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 208 | 126 | $0 |
| 92136 | Measurement of corneal curvature and depth of eye | 191 | 134 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 178 | 157 | $0 |
Insurance plans in this area (ZIP 97210)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | OR | |
| Diagnostic Radiology | UT | |
| Family Practice | UT | |
| H O S P I T A L I S T | UT | |
| O B S T E T R I C S/ G Y N E C O L O G Y | UT | |
| - | UT | |
| - | UT | |
| - | UT | |
| Family Practice | UT | |
| - | UT |
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