Siamak Karimian, M.D.
NPI 1225091812 · Interventional Cardiology Physician · Sherman Oaks, CA
Enrolled with Medicare as Practitioner - Interventional Cardiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Siamak Karimian, M.D. is a Interventional Cardiology Physician provider in Sherman Oaks, CA (NPI 1225091812).
Provider details
- NPI number
- 1225091812
- Entity type
- Individual
- Primary specialty
- Interventional Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A48218 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
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
20 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
884 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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 607 | $8 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 136 | $67 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 28 | $179 |
| Ultrasound of Heart, Follow-Up93308 | 21 | $24 |
| Exercise Or Drug-Induced Heart Stress Test With Electrocardiogram (ecg) With Supervision By Physician93016 | 17 | $20 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$44 across 2 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)
- 3336 S 4155 WSte 203West Valley City, UT 84120Phone: (801) 290-7153Fax: (801) 748-0113
Registry dates
- Enumerated
- 2006-04-06
- Last updated
- 2025-03-28
- Certified
- 2025-03-26
Frequently asked questions
- What is Siamak Karimian's NPI number?
- Siamak Karimian's National Provider Identifier (NPI) is 1225091812, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siamak Karimian's specialty?
- Siamak Karimian is listed in the NPPES registry with a primary specialty of Interventional Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Siamak Karimian located?
- Siamak Karimian's practice location on file with NPPES is 4955 Van Nuys Blvd., Sherman Oaks, CA 91403-1827.
- What is Siamak Karimian's phone number?
- The practice phone number listed in the NPPES registry for Siamak Karimian is (818) 501-5686.
- Does Siamak Karimian accept Medicare?
- Siamak Karimian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Siamak Karimian's NPI active?
- Yes — Siamak Karimian's NPI (1225091812) is active in the NPPES registry as of the last update on 2025-03-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.