Arianna Kousari, MD
Internal Medicine Physician · Bend, OR
Arianna Kousari, MD is an internal medicine physician with a practice address in Bend, Oregon, and NPI 1194220889, issued on Mar 26, 2018. Check the license (Oregon MD219793, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Arianna Kousari
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD219793 OR
DR.0068969 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1501 NE Medical Center Dr, Bend, OR 97701
- Phone
- (541) 382-4900
- Enumerated
- Mar 26, 2018
- Record last updated
- Mar 27, 2025
- Medicaid ID
- 500838997 OR
- Medicare enrollment
- Enrolled (PECOS I20240605004118); accepts Medicare assignment
- Medical or professional school
- University Of Arizona College Of Medicine - Phoenix, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →
Also registered at 1501 NE Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Arianna Kousari in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD219793Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,504 Medicare Part D claims for 411 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 35 claims were for opioids.
Most prescribed
- Atorvastatin Calcium81 claims
- Levothyroxine Sodium53 claims
- Rosuvastatin Calcium50 claims
- Lisinopril43 claims
- Cephalexin39 claims
- Amlodipine Besylate35 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): 94.5 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: $69.06
3 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. 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
- Bend Memorial Clinic PCBend, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Arianna Kousari among 2,116 internal medicine physician records in Oregon
Arianna Kousari, MD 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 2018, is newer than 83% of them.
- NPI issued2018 · 83% of these records are older, 14% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2018 · median 2008 among the 1,232 with a school on file
- Record last updated2025 · 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).
97 internal medicine physician records list a practice address in Bend
They are 97 of the 5,313 NPPES records with a practice address in Bend, and 2,116 internal medicine physician records in Oregon.
All 2,116 in Oregon → Every provider in Bend → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- John Corso, M.D.Bend, OR 977011487624409
- Jeffrey Davis, MDBend, OR 977011942205752
- David Donnelly, M.D.Bend, OR 977011952355828
- Benjamin England, M.D.Bend, OR 977011114916186
- Christina Ford, MDBend, OR 977011528057593
- Gary Hood, MDBend, OR 977011316942709
- Robin Lannan, M.D.Bend, OR 977011467401273
- Lisa Lewis, M.D.Bend, OR 977011962486621
Common questions
What is Arianna Kousari, MD's NPI number?
Arianna Kousari, MD's National Provider Identifier (NPI) is 1194220889, issued on Mar 26, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Arianna Kousari, MD located?
The NPPES record lists a practice address at 1501 NE Medical Center Dr, Bend, OR, 97701. Phone: (541) 382-4900. Providers update this record themselves, so call before visiting.
How can I verify Arianna Kousari, MD's license?
NPPES lists Oregon license number MD219793, 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 Arianna Kousari, MD prescribe under Medicare Part D?
In 2024, Arianna Kousari, MD had 1,504 Medicare Part D claims for 411 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Arianna Kousari, MD's MIPS final score?
The 2023 MIPS final score is 94.5 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.