Emily Katherine Armstrong, MD
Ophthalmology Physician · Roseburg, OR
Emily Katherine Armstrong, MD is an ophthalmology physician with a practice address in Roseburg, Oregon, and NPI 1841780186, issued on May 11, 2018. Check the license (Oregon MD209422, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Emily Katherine Armstrong
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- MD209422 OR
Self-reported in NPPES; status is on the state search - Practice location
- 341 NW Medical Loop Ste 120, Roseburg, OR 97471
- Phone
- (541) 440-6388
- Enumerated
- May 11, 2018
- Record last updated
- Aug 31, 2022
- Medicare enrollment
- Enrolled (PECOS I20220719002950); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 2018
- Entity
- Type 1 · individual
Also registered at 341 NW Medical Loop Ste 120
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lexa Van Volkenburg, ODOptometrist1346920980
- Alexander WilloughbyOphthalmology Physician1093166191
Verify Emily Katherine Armstrong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD209422Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% more Medicare Part D claims than the average ophthalmology physician in 2024
1,704 Medicare Part D claims for 414 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
- Latanoprost458 claims
- Prednisolone Acetate234 claims
- Dorzolamide-Timolol214 claims
- Ofloxacin172 claims
- Ketorolac Tromethamine170 claims
- Brimonidine Tartrate97 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 80.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $30.98
1 payment: food and beverage; the largest payer was Amgen Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Centennial Medical Group IncRoseburg, OR
- Umpqua Valley Eye Associates LLCRoseburg, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ophthalmology Physician providers in Oregon
There are 322 ophthalmology physician records in Oregon.
Other ophthalmology physician records in Oregon
- Aazy Aaby, MDPortland, OR1164404232
- Blake Acohido, M.D.Portland, OR1518100734
- Bart Adams, MDPendleton, OR1851344667
- Adam Ahmadi, MDHermiston, OR1942294038
- Talal Alabduljalil, MDPortland, OR1689044273
- Daniel Albert, MDPortland, OR1801862388
- Ronald Allen, D.O.Portland, OR1376516294
- Asem Alqudah, MDPortland, OR1861736902
- Ida Alul, M.D.Bend, OR1770797060
- Balamurali Ambati, MDEugene, OR1750397576
Common questions
What is Emily Katherine Armstrong, MD's NPI number?
Emily Katherine Armstrong, MD's National Provider Identifier (NPI) is 1841780186, issued on May 11, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Emily Katherine Armstrong, MD located?
The NPPES record lists a practice address at 341 NW Medical Loop Ste 120, Roseburg, OR, 97471. Phone: (541) 440-6388. Providers update this record themselves, so call before visiting.
How can I verify Emily Katherine Armstrong, MD's license?
NPPES lists Oregon license number MD209422, 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 Emily Katherine Armstrong, MD prescribe under Medicare Part D?
In 2024, Emily Katherine Armstrong, MD had 1,704 Medicare Part D claims for 414 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Emily Katherine Armstrong, MD's MIPS final score?
The 2023 MIPS final score is 80.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.