Maria Ziadi, MD
NPI 1831844075 · Cardiovascular Disease Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Ziadi, MD is a Cardiovascular Disease Physician provider in Philadelphia, PA (NPI 1831844075).
Provider details
- NPI number
- 1831844075
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD470243 (PA)
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
4 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
331 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) |
|---|---|---|
| Mri Scan of Heart Before and After Contrast75561 | 106 | $122 |
| Ct Scan of Blood Vessels and Grafts of Heart With Contrast75574 | 82 | $113 |
| Ct Scan of Heart Structure With Contrast75572 | 80 | $80 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 | 25 | $83 |
| Ct Scan of Heart Structure With Contrast75572 | 23 | $80 |
| Mri Scan of Blood Flow of Heart75565 | 15 | $12 |
Typical Medicare-allowed amounts for these services range $12–$122 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,277 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
- 2022-02-16
- Last updated
- 2022-11-22
- Certified
- 2022-11-22
Frequently asked questions
- What is Maria Ziadi's NPI number?
- Maria Ziadi's National Provider Identifier (NPI) is 1831844075, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Ziadi's specialty?
- Maria Ziadi is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Ziadi located?
- Maria Ziadi's practice location on file with NPPES is 3400 Spruce St, Philadelphia, PA 19104-4206.
- What is Maria Ziadi's phone number?
- The practice phone number listed in the NPPES registry for Maria Ziadi is (156) 627-3552.
- Does Maria Ziadi accept Medicare?
- Maria Ziadi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Ziadi's NPI active?
- Yes — Maria Ziadi's NPI (1831844075) is active in the NPPES registry as of the last update on 2022-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.