David C Carkner practises optometry in Portland, OR. David is a 1970 graduate of Pacific University - College of Optometry. David is also listed as specialising in optometrist.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Dr. Carkner is an optometry in Portland, OR. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPTOMETRY”.
NPI registry
Dr. Carkner is listed at 1775 NE 39TH AVE, Portland, OR 97212. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (503) 288-6181. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Carkner's National Provider Identifier is 1669562476. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Carkner attended Pacific University - College of Optometry, graduating in 1970. This comes from the CMS National Downloadable File.
CMS public data
Dr. Carkner has 56 years experience. Calculated from a graduation year of 1970, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Carkner provides treatments such as photography of the retina and established patient complete exam of visual system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Carkner. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
1775 NE 39TH AVE
Portland, OR 97212
77 services · 73 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Photography of the retina | Treatment | 92250 |
34 |
| Established patient complete exam of visual system | Treatment | 92014 |
25 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
18 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Same specialty, same street address — most likely the same department or group.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Same specialty, same city.
Other providers in the same specialty who trained at the same institution.
Providers who graduated from the same medical school in the same year.
Providers in OR who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.