JOHN KOSLOSKY II
NPI 1932895364
Physician Assistant in Barrington, IL

Q: What is John Koslosky's NPI number?

The NPI number for John Koslosky is 1932895364. It was assigned to this individual provider in the NPPES registry on April 18, 2023.

Q: What is John Koslosky'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 John Koslosky was last updated on May 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.

Active since April 18, 2023PECOS EnrolledAccepts Medicare Assignment

27401 W HIGHWAY 22 STE 125, BARRINGTON, IL 60010(847) 381-0388(847) 381-0811 Get Directions Write a Review

NPPES record last updated: May 21, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About John Koslosky Ii NPPES

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

JOHN KOSLOSKY II (NPI 1932895364) is an individual physician assistant in Barrington, Illinois and active in the NPI registry since April 2023. He is enrolled in Medicare PECOS, is affiliated with Advocate Good Shepherd Hospital, and is a graduate of Other (2025).

NPPES Registry Identity

NPI1932895364

Entity TypeIndividualMale

Primary Taxonomy363A00000X

Provider Legal NameJOHN KOSLOSKY II

Location Address27401 W HIGHWAY 22 STE 125Barrington, IL 60010-5934

Mailing Address900 Rand Rd Ste 300Des Plaines, IL 60016-2359 · (847) 324-3976 · Fax (847) 929-1154

Phone(847) 381-0388

Fax(847) 381-0811

Sole ProprietorNo

Medical School CMSOtherGraduated 2025

Enumeration DateApril 18, 2023

Last NPPES UpdateMay 21, 2025

NPPES CertifiedMay 21, 2025

✔ NPI 1932895364 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363A00000X

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.

27401 W HIGHWAY 22 STE 125, Barrington, IL 60010

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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

John Koslosky Ii 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 ID143729475

PECOS Enrollment IDI20250814004064

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.

Hospital Affiliations CMS Care Compare

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

Advocate Good Shepherd Hospital

Acute Care Hospitals · Barrington, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140291

Location450 West Highway 22Barrington, IL 60010 · Lake County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60010 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

$93.02 typical visit price

range $59.81 – $181.38

Typical copayment $23.25 (range $14.95 – $45.34)

Most-billed visit code 99203

Established Patient

$74.38 typical visit price

range $19.15 – $147.12

Typical copayment $18.59 (range $4.78 – $36.78)

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 15

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

DR. SURBHI C PANCHAL MD

Orthopaedic Surgery (Hand Surgery)