Shawn Younessi
NPI 1629503842 · Internal Medicine Physician · Tarzana, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shawn Younessi is a Internal Medicine Physician provider in Tarzana, CA (NPI 1629503842).
Provider details
- NPI number
- 1629503842
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- A159934 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
9 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 91 | 48 |
| Metformin Hcl | 76 | 37 |
| Empagliflozinbrand: Jardiance | 60 | 27 |
| Amlodipine Besylate | 58 | 28 |
| Semaglutidebrand: Ozempic | 57 | 12 |
| Losartan Potassium | 52 | 24 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$118 across 6 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
Registry dates
- Enumerated
- 2017-04-25
- Last updated
- 2025-03-10
- Certified
- 2025-03-10
Frequently asked questions
- What is Shawn Younessi's NPI number?
- Shawn Younessi's National Provider Identifier (NPI) is 1629503842, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shawn Younessi's specialty?
- Shawn Younessi is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Shawn Younessi located?
- Shawn Younessi's practice location on file with NPPES is 18840 Ventura Blvd Ste 207, Tarzana, CA 91356-3381.
- What is Shawn Younessi's phone number?
- The practice phone number listed in the NPPES registry for Shawn Younessi is (818) 654-8111.
- Does Shawn Younessi accept Medicare?
- Shawn Younessi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shawn Younessi's NPI active?
- Yes — Shawn Younessi's NPI (1629503842) is active in the NPPES registry as of the last update on 2025-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.