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DR. STEFAN J ANTOSIEWICZ MD
NPI 1710470315
Radiology - Diagnostic Radiology in Allentown, PA

Active since June 08, 2018PECOS Enrolled
1200 S CEDAR CREST BLVD STE 203, ALLENTOWN, PA 18103(610) 402-1033 Get Directions Write a Review

NPPES record last updated: April 24, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 24, 2026, Apr 11, 2025, Apr 2, 2025 (3 updates tracked since 2025).

About Dr. Stefan J Antosiewicz Md NPPES

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

DR. STEFAN J ANTOSIEWICZ MD (NPI 1710470315) is an individual diagnostic radiology provider in Allentown, Pennsylvania, licensed in Pennsylvania (MT236019) and active in the NPI registry since June 2018. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1710470315
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDR. STEFAN J ANTOSIEWICZCredential: MD
Location Address1200 S CEDAR CREST BLVD STE 203Allentown, PA 18103-6202
Mailing Address64 Lafayette St Apt 1Jersey City, NJ 07304-7002 · (732) 586-7354
Phone(610) 402-1033
Sole ProprietorNo
Enumeration DateJune 8, 2018
Last NPPES UpdateApril 24, 20263 updates tracked since enumeration
NPPES CertifiedApril 24, 2026
✔ NPI 1710470315 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in PA · MT236019
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
1200 S CEDAR CREST BLVD STE 203, Allentown, PA 18103
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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 (PECOS)

Dr. Stefan J Antosiewicz 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 18103 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
$84.88 typical visit price
range $54.64 – $166.87
Typical copayment $21.22 (range $13.66 – $41.71)
Most-billed visit code 99203
Established Patient
$68.36 typical visit price
range $17.33 – $135.84
Typical copayment $17.09 (range $4.33 – $33.96)
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

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

DR. JENNA FRANCES MCQUEEN MD
Student in an Organized Health Care Education/Training Program
1200 S CEDAR CREST BLVD STE 203
ALLENTOWN, PA 18103
Lehigh County (610) 402-1033

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Stefan Antosiewicz's NPI number?

The NPI number for Stefan Antosiewicz is 1710470315. It was assigned to this individual provider in the NPPES registry on June 8, 2018.

Where is Stefan Antosiewicz located?

Stefan Antosiewicz practices at 1200 S Cedar Crest Blvd Ste 203, Allentown, PA 18103. The listed phone number is (610) 402-1033.

What is Stefan Antosiewicz's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Stefan Antosiewicz enrolled in Medicare?

Yes. Stefan Antosiewicz is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Stefan Antosiewicz was last updated on April 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.