Rhonda C. Tierney, M.D.
Internal Medicine Physician · Portland, OR
Rhonda C. Tierney, M.D. is an internal medicine physician with a practice address in Portland, Oregon, and NPI 1447250360, issued on Jul 21, 2005. Check the license (Oregon MD25884, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Rhonda C. Tierney
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD25884 OR
Self-reported in NPPES; status is on the state search - Practice location
- 4540 NE Glisan St, Portland, OR 97213
- Phone
- (503) 215-3738
- Enumerated
- Jul 21, 2005
- Record last updated
- Oct 25, 2024
- Fax
- (503) 215-6942
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Also registered at 4540 NE Glisan St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kyle Anderson, RN, BSNCommunity Health Registered Nurse1306259874
- Jacquelyn Bennett, RNGerontology Registered Nurse1083964704
- Hana Binder, LCSWClinical Social Worker1861348047
- Anzhelika GavrilovichGerontology Registered Nurse1720521784
- Lawrence Hanbrook, RNRegistered Nurse1386379311
- Oran Hirsch, BSN, RNCase Management Registered Nurse1396339735
Verify Rhonda C. Tierney in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD25884Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.9 times the Medicare Part D claims of the average internal medicine physician in 2024
12,310 Medicare Part D claims for 273 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 736 claims were for opioids.
Most prescribed
- Atorvastatin Calcium526 claims
- Levothyroxine Sodium402 claims
- Donepezil Hcl379 claims
- Gabapentin375 claims
- Omeprazole362 claims
- Memantine Hcl313 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.
Rhonda C. Tierney among 2,116 internal medicine physician records in Oregon
Rhonda C. Tierney, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2024 · 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
- Andris Antoniskis, MDPortland, OR 972131528067972
- Shikha Arun, MDPortland, OR 972131306881834
- Christopher BaronePortland, OR 972131831187657
- Ruben Halperin, MDPortland, OR 972131457306763
- Kimberly Herder, MDPortland, OR 972131811975741
- Jeffrey Horacek, MDPortland, OR 972131790721215
- Shannon Jackson, MDPortland, OR 972131558301168
- William Kennedy, DOPortland, OR 972131467431452
Common questions
What is Rhonda C. Tierney, M.D.'s NPI number?
Rhonda C. Tierney, M.D.'s National Provider Identifier (NPI) is 1447250360, issued on Jul 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Rhonda C. Tierney, M.D. located?
The NPPES record lists a practice address at 4540 NE Glisan St, Portland, OR, 97213. Phone: (503) 215-3738. Providers update this record themselves, so call before visiting.
How can I verify Rhonda C. Tierney, M.D.'s license?
NPPES lists Oregon license number MD25884, 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 Rhonda C. Tierney, M.D. prescribe under Medicare Part D?
In 2024, Rhonda C. Tierney, M.D. had 12,310 Medicare Part D claims for 273 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.