DR. KALLIOPI SIZIOPIKOU MD
NPI 1053395582
Pathology - Anatomic Pathology & Clinical Pathology in Tucson, AZ

Q: What is Kalliopi Siziopikou's NPI number?

The NPI number for Kalliopi Siziopikou is 1053395582. It was assigned to this individual provider in the NPPES registry on November 29, 2005.

Q: What is Kalliopi Siziopikou's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Active since November 29, 2005PECOS EnrolledAccepts Medicare Assignment

94.1/100

CMS Quality Rating

1625 N CAMPBELL AVE, TUCSON, AZ 85719(520) 621-0723 Get Directions Write a Review

NPPES record last updated: January 30, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 30, 2026, Jan 13, 2026 (2 updates tracked since 2026).

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About Dr. Kalliopi Siziopikou Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. KALLIOPI SIZIOPIKOU MD (NPI 1053395582) is an individual anatomic pathology & clinical pathology provider in Tucson, Arizona, licensed in Arizona (78053) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS, is affiliated with Northwestern Memorial Hospital, and is a graduate of Other (1985).

NPPES Registry Identity

NPI1053395582

Entity TypeIndividualFemale

Primary Taxonomy207ZP0102X

Provider Legal NameDR. KALLIOPI SIZIOPIKOUCredential: MD

Location Address1625 N CAMPBELL AVETucson, AZ 85719-4330

Mailing AddressPo Box 245106Tucson, AZ 85724-5106

Phone(520) 621-0723

Sole ProprietorNo

Medical School CMSOtherGraduated 1985

Enumeration DateNovember 29, 2005

Last NPPES UpdateJanuary 30, 20262 updates tracked since enumeration

NPPES CertifiedJanuary 30, 2026

✔ NPI 1053395582 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

License✔ Licensed in AZ · 78053

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

1625 N CAMPBELL AVE, Tucson, AZ 85719

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Kalliopi Siziopikou Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID244223022

PECOS Enrollment IDI20251121002799

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 6

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

261 services91 patients

Microscopic genetic analysis of tumor, manual 88360

Microscopic genetic analysis of a tumor involves examining your tumor's genes under a microscope. This helps identify specific genetic changes in the tumor cells. This information can aid in diagnosing, predicting disease progression, and determining the most effective treatment options.

145 services36 patients

Pathology examination of tissue using a microscope, moderately high complexity 88307

A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.

70 services44 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.

63 services31 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

61 services48 patients

Surgical pathology consultation and report on referred slides prepared elsewhere 88321

A surgical pathology consultation involves reviewing slides prepared at a different lab to confirm or clarify a diagnosis. It's a second opinion to ensure accuracy. A report with findings and interpretations is then provided for your doctor's reference.

42 services41 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Northwestern Memorial Hospital

Acute Care Hospitals · Chicago, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140281

Location251 E Huron StChicago, IL 60611 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85719 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$127.71 typical visit price

range $55.44 – $168.60

Typical copayment $31.92 (range $13.86 – $42.15)

Most-billed visit code 99204

Established Patient

$98.00 typical visit price

range $17.72 – $137.41

Typical copayment $24.50 (range $4.43 – $34.35)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

94.1/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

82.59

Promoting Interoperability

100

Improvement Activities

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

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