Cibi Arumugam, M.D.
Internal Medicine Physician · Portland, OR
Cibi Arumugam, M.D. is an internal medicine physician with a practice address in Portland, Oregon, and NPI 1376822742, issued on Aug 16, 2011. Check the license (Oregon MD166415, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Cibi Arumugam
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD166415 OR
R72865 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2801 N Gantenbein Ave, Portland, OR 97227
- Phone
- (503) 413-8407
- Enumerated
- Aug 16, 2011
- Record last updated
- Sep 2, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160114001785); accepts Medicare assignment
- Medical or professional school
- University Of Louisville 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 2801 N Gantenbein Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Cibi Arumugam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD166415Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average internal medicine physician in 2024
152 Medicare Part D claims for 46 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 14 claims were for opioids.
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): 86 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: $37.59
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 50,334 providers of this specialty with any payment received $1,303.06 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 one group practice
- Legacy Clinics LLCPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cibi Arumugam among 2,116 internal medicine physician records in Oregon
Cibi Arumugam, 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 updated2016 · 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
- Douglas Beers, MDPortland, OR 972271720055197
- Denise Bilbao, M.D.Portland, OR 972271538173943
- Duane Burroughs, MDPortland, OR 972271134197213
- Smitha Chadaga, MDPortland, OR 972271952362295
- Darcy Deering, M.D.Portland, OR 972271205801065
- Lori Farrell, M.D.Portland, OR 972271235103987
- Elise Fulsang, MDPortland, OR 972271952305385
- Ameet Jhooty, M.DPortland, OR 972271295795938
Common questions
What is Cibi Arumugam, M.D.'s NPI number?
Cibi Arumugam, M.D.'s National Provider Identifier (NPI) is 1376822742, issued on Aug 16, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Cibi Arumugam, M.D. located?
The NPPES record lists a practice address at 2801 N Gantenbein Ave, Portland, OR, 97227. Phone: (503) 413-8407. Providers update this record themselves, so call before visiting.
How can I verify Cibi Arumugam, M.D.'s license?
NPPES lists Oregon license number MD166415, 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 Cibi Arumugam, M.D. prescribe under Medicare Part D?
In 2024, Cibi Arumugam, M.D. had 152 Medicare Part D claims for 46 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Cibi Arumugam, M.D.'s MIPS final score?
The 2023 MIPS final score is 86 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.