Ronald Doran Allen, D.O.
Ophthalmology Physician · Portland, OR
Ronald Doran Allen, D.O. is an ophthalmology physician with a practice address in Portland, Oregon, and NPI 1376516294, issued on Feb 10, 2006. Check the license (Oregon DO27050, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Ronald Doran Allen
- Credential
- D.O.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- DO27050 OR
Self-reported in NPPES; status is on the state search - Practice location
- 800 SW 13TH Ave, Portland, OR 97205
- Phone
- (503) 221-0161
- Enumerated
- Feb 10, 2006
- Record last updated
- Jul 21, 2022
- Medicare enrollment
- Enrolled (PECOS I20080410000136); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 322 in Oregon → Look up another NPI →
Also registered at 800 SW 13TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katelyn BoelPharmacist1598248072
- Matthew Bookwalter, DPMPodiatrist1285705038
- Alexander Bulochnik Shteynberg, PHARM.D., MBAAmbulatory Care Pharmacist1265936058
- Young Choi, M.D.Gastroenterology Physician1336122274
- Jeffrey Cleven, MDInternal Medicine Physician1144312323
- Clifford Cooper, MDInternal Medicine Physician1093806572
Verify Ronald Doran Allen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO27050Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% more Medicare Part D claims than the average ophthalmology physician in 2024
2,467 Medicare Part D claims for 512 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Latanoprost956 claims
- Timolol Maleate248 claims
- Brimonidine Tartrate243 claims
- Prednisolone Acetate225 claims
- Diclofenac Sodium206 claims
- Ofloxacin192 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.
Bills Medicare through one group practice
- Portland ClinicTigard, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ronald Doran Allen among 322 ophthalmology physician records in Oregon
Ronald Doran Allen, D.O. is one of 322 ophthalmology physician records with a practice address in Oregon. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 24% of them.
- NPI issued2006 · 24% of these records are older, 45% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1997 · median 2007 among the 189 with a school on file
- Record last updated2022 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Oregon
There are 322 ophthalmology physician records in Oregon.
All 322 in Oregon → Every provider in Portland → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Douglas Meier, MDPortland, OR 972051114019387
- Aazy Aaby, MDPortland, OR 972091164404232
- Rebecca Armour, M.D.Portland, OR 972091124042692
- Robert Bentley, MDPortland, OR 972091982686671
- Andrea D'Ostroph, M.D.Portland, OR 972011780782193
- Sonal Dave, M.D.Portland, OR 972091669516746
- Bryan Edgington, M.D.Portland, OR 972091699748020
- Gary Grieve, M.D.Portland, OR 972011144328592
Common questions
What is Ronald Doran Allen, D.O.'s NPI number?
Ronald Doran Allen, D.O.'s National Provider Identifier (NPI) is 1376516294, issued on Feb 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ronald Doran Allen, D.O. located?
The NPPES record lists a practice address at 800 SW 13TH Ave, Portland, OR, 97205. Phone: (503) 221-0161. Providers update this record themselves, so call before visiting.
How can I verify Ronald Doran Allen, D.O.'s license?
NPPES lists Oregon license number DO27050, 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 Ronald Doran Allen, D.O. prescribe under Medicare Part D?
In 2024, Ronald Doran Allen, D.O. had 2,467 Medicare Part D claims for 512 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
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.