Reza Sirous, M.D., MPH
NPI 1851822092 · Body Imaging Physician · Orange, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Reza Sirous, M.D., MPH is a Body Imaging Physician provider in Orange, CA (NPI 1851822092).
Provider details
- NPI number
- 1851822092
- Entity type
- Individual
- Primary specialty
- Body Imaging PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D., MPH
- Sex
- Male
- Sole proprietor
- Yes
- License
- A184987 (CA)
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 tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
386 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| X-Ray of Abdomen, 1 View74018 | 86 | $9 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 47 | $87 |
| Limited Ultrasound Scan of Abdomen76705 | 28 | $28 |
| Ultrasound Scan of Head and Neck Soft Tissue76536 | 24 | $109 |
| Limited Ultrasound Scan Behind Abdominal Cavity76775 | 20 | $28 |
| Ct Scan of Abdomen and Pelvis Without Contrast74176 | 19 |
Practice location
Mailing address
Additional practice locations (1)
- 5841 S Maryland AveChicago, IL 60637-1443Phone: (888) 824-0200
Registry dates
- Enumerated
- 2017-03-21
- Last updated
- 2025-05-27
- Certified
- 2025-05-27
Frequently asked questions
- What is Reza Sirous's NPI number?
- Reza Sirous's National Provider Identifier (NPI) is 1851822092, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Reza Sirous's specialty?
- Reza Sirous is listed in the NPPES registry with a primary specialty of Body Imaging Physician (Allopathic & Osteopathic Physicians).
- Where is Reza Sirous located?
- Reza Sirous's practice location on file with NPPES is 101 the City Dr S, Orange, CA 92868-3201.
- What is Reza Sirous's phone number?
- The practice phone number listed in the NPPES registry for Reza Sirous is (714) 456-8888.
- Does Reza Sirous accept Medicare?
- Reza Sirous is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Reza Sirous's NPI active?
- Yes — Reza Sirous's NPI (1851822092) is active in the NPPES registry as of the last update on 2025-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.