David Andrew Ellis, M.D.
Internal Medicine Physician · Portland, OR
David Andrew Ellis, M.D. is an internal medicine physician with a practice address in Portland, Oregon, and NPI 1023470044, issued on Mar 29, 2016. Check the license (Oregon PG189585, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- David Andrew Ellis
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- PG189585 OR
Self-reported in NPPES; status is on the state search - Practice location
- 9155 SW Barnes RD Ste 302, Portland, OR 97225
- Phone
- (503) 866-8670
- Enumerated
- Mar 29, 2016
- Record last updated
- May 21, 2019 (not updated in 7 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Also registered at 9155 SW Barnes RD Ste 302
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Angela Hahn, MDInternal Medicine Physician1093850182
- Miles Hassell, MDInternal Medicine Physician1558496273
Verify David Andrew Ellis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license PG189585Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average internal medicine physician in 2024
781 Medicare Part D claims for 112 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Atorvastatin Calcium86 claims
- Metoprolol Succinate48 claims
- Amlodipine Besylate40 claims
- Lisinopril39 claims
- Potassium Chloride39 claims
- Eliquis34 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.
David Andrew Ellis among 2,116 internal medicine physician records in Oregon
David Andrew Ellis, M.D. is one of 2,116 internal medicine physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 78% of them.
- NPI issued2016 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2019 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
889 internal medicine physician records list a practice address in Portland
They are 889 of the 42,088 NPPES records with a practice address in Portland, and 2,116 internal medicine physician records in Oregon.
All 2,116 in Oregon → Every provider in Portland → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Myrna Casono, MDPortland, OR 972251588666432
- Timothy Cleary, M.D.Portland, OR 972251215933411
- Cynthia Ferrier, M.D.Portland, OR 972251285607440
- Robert Fojtasek, MDPortland, OR 972251306888649
- Steven Gordon, MDPortland, OR 972251285616748
- Thomas Gragnola, MDPortland, OR 972251144220765
- Janette Green, M.D.Portland, OR 972251225029986
- Charles Kilo, M.D.Portland, OR 972251801869078
Common questions
What is David Andrew Ellis, M.D.'s NPI number?
David Andrew Ellis, M.D.'s National Provider Identifier (NPI) is 1023470044, issued on Mar 29, 2016. An NPI identifies a provider in billing; it is not a license.
Where is David Andrew Ellis, M.D. located?
The NPPES record lists a practice address at 9155 SW Barnes RD Ste 302, Portland, OR, 97225. Phone: (503) 866-8670. Providers update this record themselves, so call before visiting.
How can I verify David Andrew Ellis, M.D.'s license?
NPPES lists Oregon license number PG189585, 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 David Andrew Ellis, M.D. prescribe under Medicare Part D?
In 2024, David Andrew Ellis, M.D. had 781 Medicare Part D claims for 112 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.