Hossein Alimadadian, M.D.
NPI 1285664029 · Cardiovascular Disease Physician · Orange, CA
Enrolled with Medicare as Practitioner - Interventional Cardiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hossein Alimadadian, M.D. is a Cardiovascular Disease Physician provider in Orange, CA (NPI 1285664029).
Provider details
- NPI number
- 1285664029
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A25808 (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
19 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
1,666 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 | 563 | $144 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 344 | $16 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 145 | $223 |
| Ultrasound of Heart Blood Flow, Valves and Chambers93320 | 132 | $59 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate and Valve Function93325 | 132 | $28 |
| Ultrasound of Heart With Continuous Electrocardiogram (ecg) During Rest, Exercise And/Or Drug Induced Stress With Review and Report |
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 |
|---|---|---|
| Rosuvastatin Calcium | 195 | 64 |
| Metoprolol Tartrate | 166 | 59 |
| Atorvastatin Calcium | 161 | 47 |
| Losartan Potassium | 143 | 44 |
| Amlodipine Besylate | 141 | 62 |
| Rivaroxabanbrand: Xarelto | 123 | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$876 across 57 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)
- 4050 Barranca Pkwy Ste 110Irvine, CA 92604-1725Phone: (949) 262-9600Fax: (949) 552-2759
Registry dates
- Enumerated
- 2006-07-04
- Last updated
- 2023-03-07
- Certified
- 2021-06-07
Frequently asked questions
- What is Hossein Alimadadian's NPI number?
- Hossein Alimadadian's National Provider Identifier (NPI) is 1285664029, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hossein Alimadadian's specialty?
- Hossein Alimadadian is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Hossein Alimadadian located?
- Hossein Alimadadian's practice location on file with NPPES is 1140 W La Veta Ave Ste 640, Orange, CA 92868-4228.
- What is Hossein Alimadadian's phone number?
- The practice phone number listed in the NPPES registry for Hossein Alimadadian is (714) 564-3300.
- Does Hossein Alimadadian accept Medicare?
- Hossein Alimadadian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hossein Alimadadian's NPI active?
- Yes — Hossein Alimadadian's NPI (1285664029) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.