Aaron Gregory Kilber, M.D.
Internal Medicine Physician · Portland, OR
Aaron Gregory Kilber, M.D. is an internal medicine physician with a practice address in Portland, Oregon, and NPI 1104110113, issued on Jun 7, 2011. Check the license (Oregon MD166558, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Aaron Gregory Kilber
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD166558 OR
MD60507022 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2222 NW Lovejoy St Ste 505, Portland, OR 97210
- Phone
- (971) 432-7555
- Enumerated
- Jun 7, 2011
- Record last updated
- Jul 20, 2026
- Fax
- (360) 604-1638
- Medicare enrollment
- Enrolled (PECOS I20141224001389); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Also registered at 2222 NW Lovejoy St Ste 505
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Tabitha Gholi, FNP-CFamily Nurse Practitioner1285406017
Verify Aaron Gregory Kilber in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD166558Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
313 Medicare Part D claims for 111 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 23 claims were for opioids.
Most prescribed
- Furosemide21 claims
- Metoprolol Succinate16 claims
- Omeprazole15 claims
- Atorvastatin Calcium14 claims
- Oxycodone Hcl12 claims
- Clopidogrel11 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
- The Vancouver Clinic Inc PSVancouver, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aaron Gregory Kilber among 2,116 internal medicine physician records in Oregon
Aaron Gregory Kilber, 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 2011, is newer than 65% of them.
- NPI issued2011 · 65% of these records are older, 32% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2011 · median 2008 among the 1,232 with a school on file
- Record last updated2026 · 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
- Stephen Baugh, MDPortland, OR 972101972577740
- James Borden, MDPortland, OR 972101679555742
- Patrick Dunn, M.D.Portland, OR 972101669447231
- Barry Egener, MDPortland, OR 972101437124088
- Joyce KaynardPortland, OR 972101720053317
- Curtis Marr, M.D.Portland, OR 972101669447264
- Erich Meihoff, MDPortland, OR 972101144295916
- John Oppenheimer, MDPortland, OR 972101922071513
Common questions
What is Aaron Gregory Kilber, M.D.'s NPI number?
Aaron Gregory Kilber, M.D.'s National Provider Identifier (NPI) is 1104110113, issued on Jun 7, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Aaron Gregory Kilber, M.D. located?
The NPPES record lists a practice address at 2222 NW Lovejoy St Ste 505, Portland, OR, 97210. Phone: (971) 432-7555. Providers update this record themselves, so call before visiting.
How can I verify Aaron Gregory Kilber, M.D.'s license?
NPPES lists Oregon license number MD166558, 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 Aaron Gregory Kilber, M.D. prescribe under Medicare Part D?
In 2024, Aaron Gregory Kilber, M.D. had 313 Medicare Part D claims for 111 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.