Arianna Kousari, MD
NPI 1194220889 · Internal Medicine Physician · Bend, OR
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arianna Kousari, MD is a Internal Medicine Physician provider in Bend, OR (NPI 1194220889).
Provider details
- NPI number
- 1194220889
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD219793 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,352 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 399 | $123 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 246 | $9 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 167 | $16 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 125 | $124 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 124 | $116 |
| Blood Test, Comprehensive Group of Blood Chemicals |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 40 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 81 | 57 |
| Levothyroxine Sodium | 53 | 36 |
| Rosuvastatin Calcium | 50 | 35 |
| Lisinopril | 43 | 23 |
| Cephalexin | 39 | 13 |
| Amlodipine Besylate | 35 | 25 |
| Losartan Potassium | 31 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$69 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 3885 Upham St Ste 200Wheat Ridge, CO 80033-4800Phone: (034) 259-2453Fax: (303) 425-1378
Registry dates
- Enumerated
- 2018-03-26
- Last updated
- 2025-03-27
- Certified
- 2025-03-27
Frequently asked questions
- What is Arianna Kousari's NPI number?
- Arianna Kousari's National Provider Identifier (NPI) is 1194220889, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arianna Kousari's specialty?
- Arianna Kousari is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Arianna Kousari located?
- Arianna Kousari's practice location on file with NPPES is 1501 Ne Medical Center Dr, Bend, OR 97701-6051.
- What is Arianna Kousari's phone number?
- The practice phone number listed in the NPPES registry for Arianna Kousari is (541) 382-4900.
- Does Arianna Kousari accept Medicare?
- Arianna Kousari is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arianna Kousari's NPI active?
- Yes — Arianna Kousari's NPI (1194220889) is active in the NPPES registry as of the last update on 2025-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.