WILLIAM SIDERAS PA-C
NPI 1700429040
Physician Assistant in Calumet Park, IL

Q: What is William Sideras's NPI number?

The NPI number for William Sideras is 1700429040. It was assigned to this individual provider in the NPPES registry on October 18, 2019.

Q: What is William Sideras's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Q: When was this NPI record last updated?

The NPPES record for William Sideras was last updated on February 15, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since October 18, 2019PECOS EnrolledAccepts Medicare Assignment

12850 S ASHLAND AVE, CALUMET PARK, IL 60827(630) 581-5372 Get Directions Write a Review

NPPES record last updated: February 15, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 15, 2023, Jan 9, 2020, Oct 18, 2019 (3 updates tracked since 2019).

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About William Sideras Pa-c NPPES

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

WILLIAM SIDERAS PA-C (NPI 1700429040) is an individual physician assistant in Calumet Park, Illinois, licensed in Illinois (085.007284) and active in the NPI registry since October 2019. He is enrolled in Medicare PECOS and is a graduate of Southern Illinois University School Of Medicine (2019).

NPPES Registry Identity

NPI1700429040

Entity TypeIndividualMale

Primary Taxonomy363A00000X

Provider Legal NameWILLIAM SIDERASCredential: PA-C

Location Address12850 S ASHLAND AVECalumet Park, IL 60827-6308

Mailing Address12850 S Ashland AveCalumet Park, IL 60827-6308

Phone(630) 581-5372

Sole ProprietorNo

Medical School CMSSouthern Illinois University School Of MedicineGraduated 2019

Enumeration DateOctober 18, 2019

Last NPPES UpdateFebruary 15, 20233 updates tracked since enumeration

NPPES CertifiedFebruary 15, 2023

✔ NPI 1700429040 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

License✔ Licensed in IL · 085.007284

Definition

A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.

12850 S ASHLAND AVE, Calumet Park, IL 60827

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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

William Sideras Pa-c 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 ID9436481058

PECOS Enrollment IDI20191031002689

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 8

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.

Detection test by immunoassay with direct visual observation for influenza virus 87804

This is a test that identifies the influenza virus in your body. It works by using an immunoassay, a method that detects the presence of the virus through an immune response. The results are directly observable, making it a quick and efficient way to diagnose flu.

60 services29 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

60 services55 patients

Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 87811

This is a test to detect COVID-19, the virus causing severe respiratory illness. It uses a method called immunoassay, which identifies the virus by its unique proteins. The test is directly observed for accuracy. It helps determine if you're currently infected.

39 services38 patients

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.

39 services36 patients

Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 87880

A detection test by immunoassay for Group A Strep is a quick procedure to identify a bacterial infection in your throat. It involves taking a throat swab and applying it to a test strip, which changes color if Strep bacteria are present.

29 services29 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

26 services26 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60827 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

$94.06 typical visit price

range $60.08 – $183.39

Typical copayment $23.51 (range $15.02 – $45.84)

Most-billed visit code 99203

Established Patient

$74.80 typical visit price

range $18.97 – $148.12

Typical copayment $18.70 (range $4.74 – $37.03)

Most-billed visit code 99213

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

Other Providers at the Same Location NPPES 5

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

CAITLIN GREENFIELD FNP-BC

Nurse Practitioner