Kalliopi Siziopikou, MD
NPI 1053395582 · Anatomic Pathology & Clinical Pathology Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kalliopi Siziopikou, MD is a Anatomic Pathology & Clinical Pathology Physician provider in Tucson, AZ (NPI 1053395582).
Provider details
- NPI number
- 1053395582
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 78053 (AZ)
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
20 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
642 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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 261 | $37 |
| Microscopic Genetic Analysis of Tumor, Manual88360 | 145 | $41 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 70 | $82 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 63 | $28 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 61 | $35 |
| Surgical Pathology Consultation and Report on Referred Slides Prepared Elsewhere88321 | 42 | $83 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$6,195 across 3 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
- 2005-11-29
- Last updated
- 2026-01-30
- Certified
- 2026-01-30
Frequently asked questions
- What is Kalliopi Siziopikou's NPI number?
- Kalliopi Siziopikou's National Provider Identifier (NPI) is 1053395582, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kalliopi Siziopikou's specialty?
- Kalliopi Siziopikou is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Kalliopi Siziopikou located?
- Kalliopi Siziopikou's practice location on file with NPPES is 1625 N Campbell Ave, Tucson, AZ 85719-4330.
- What is Kalliopi Siziopikou's phone number?
- The practice phone number listed in the NPPES registry for Kalliopi Siziopikou is (520) 621-0723.
- Does Kalliopi Siziopikou accept Medicare?
- Kalliopi Siziopikou is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kalliopi Siziopikou's NPI active?
- Yes — Kalliopi Siziopikou's NPI (1053395582) is active in the NPPES registry as of the last update on 2026-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.