KOSTANDINOS SIDERAS MD
NPI 1669444071
Internal Medicine - Hematology & Oncology in Jacksonville, FL

Q: What is Kostandinos Sideras's NPI number?

The NPI number for Kostandinos Sideras is 1669444071. It was assigned to this individual provider in the NPPES registry on February 2, 2006.

Q: What is Kostandinos Sideras's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Active since February 02, 2006PECOS Enrolled

76.2/100

CMS Quality Rating

4500 SAN PABLO RD S, JACKSONVILLE, FL 32224(904) 953-2000 Get Directions Write a Review

NPPES record last updated: August 5, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 5, 2024, Aug 31, 2020, Sep 10, 2019 (3 updates tracked since 2019).

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About Kostandinos Sideras Md NPPES

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

KOSTANDINOS SIDERAS MD (NPI 1669444071) is an individual hematology & oncology provider in Jacksonville, Florida, licensed in Florida (ME141647) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Rochester.

NPPES Registry Identity

NPI1669444071

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameKOSTANDINOS SIDERASCredential: MD

Location Address4500 SAN PABLO RD SJacksonville, FL 32224

Mailing Address4500 San Pablo Rd SJacksonville, FL 32224-1865 · (904) 953-2000

Phone(904) 953-2000

Sole ProprietorNo

Enumeration DateFebruary 2, 2006

Last NPPES UpdateAugust 5, 20243 updates tracked since enumeration

NPPES CertifiedAugust 5, 2024

✔ NPI 1669444071 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in FL · ME141647

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

4500 SAN PABLO RD S, Jacksonville, FL 32224

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Secondary Practice Location 1

Location 1200 1st St SWRochester, MN 55905-0001 · Phone (507) 284-2511

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Kostandinos Sideras Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Kostandinos Sideras reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mayo Clinic Jacksonville

Same address

Health Service

4500 SAN PABLO RD S
Jacksonville, FL 32224

Reassigned Medicare billing, Florida enrollment
1,828 clinicians in this Medicare group

NPI 1174143986 (904) 953-2000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

99 services86 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

73 services57 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32224 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

$171.84 typical visit price

range $56.00 – $171.84

Typical copayment $42.96 (range $14.00 – $42.96)

Most-billed visit code 99205

Established Patient

$99.16 typical visit price

range $17.57 – $139.16

Typical copayment $24.79 (range $4.39 – $34.79)

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.

76.2/100

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

Scored as part of a group practice

Quality

69.33

Promoting Interoperability

100

Improvement Activities

Cost

51.32

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Capecitabine, oral, 500 mg J8521

Treatment-Treatment - Miscellaneous · category RX029N

3 suppliers20 claims1,974 services$0.73 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511

Treatment-Chemotherapy · category RH012N

3 suppliers14 claims14 services$19.01 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512

Treatment-Chemotherapy · category RH012N

3 suppliers12 claims12 services$12.63 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

KATHERINE L WALSH PA-C/MPH

Physician Assistant