Jonathan Youssefzadeh, DO
NPI 1811415631 · Family Medicine Physician · Corona, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Youssefzadeh, DO is a Family Medicine Physician provider in Corona, CA (NPI 1811415631).
Provider details
- NPI number
- 1811415631
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 16681 (CA)
Specialties & taxonomies
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
4,502 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 1,702 | $81 |
| Advance Care Planning, First 30 Minutes99497 | 512 | $78 |
| Critical Care, First 30-74 Minutes99291 | 400 | $217 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 382 | $123 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 376 | $120 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 287 | $179 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levofloxacin | 38 | 38 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 20 | 20 |
| Ciprofloxacin Hcl | 20 | 20 |
| Furosemide | 16 | 16 |
| Apixabanbrand: Eliquis | 15 | 12 |
| Pantoprazole Sodium | 15 | 13 |
| Prednisone | 15 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$31 across 1 record (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)
- 3314 Firestone BlvdSouth Gate, CA 90280-2938Phone: (213) 338-8387
Registry dates
- Enumerated
- 2017-08-31
- Last updated
- 2024-03-25
- Certified
- 2024-03-25
Frequently asked questions
- What is Jonathan Youssefzadeh's NPI number?
- Jonathan Youssefzadeh's National Provider Identifier (NPI) is 1811415631, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Youssefzadeh's specialty?
- Jonathan Youssefzadeh is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Youssefzadeh located?
- Jonathan Youssefzadeh's practice location on file with NPPES is 817 S Main St Ste D, Corona, CA 92882-3407.
- What is Jonathan Youssefzadeh's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Youssefzadeh is (310) 402-3917.
- Does Jonathan Youssefzadeh accept Medicare?
- Jonathan Youssefzadeh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Youssefzadeh's NPI active?
- Yes — Jonathan Youssefzadeh's NPI (1811415631) is active in the NPPES registry as of the last update on 2024-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.