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STEPHEN HERBERT KOZLOWSKI M.D.
NPI 1285749390
Internal Medicine - Rheumatology in Crystal Lake, IL

Active since August 20, 2006PECOS Enrolled
360 STATION DR, CRYSTAL LAKE, IL 60014(815) 338-6600 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 21, 2022, Mar 17, 2018, Aug 8, 2017 and 1 more (4 updates tracked since 2017).

About Stephen Herbert Kozlowski M.d. NPPES

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

STEPHEN HERBERT KOZLOWSKI M.D. (NPI 1285749390) is an individual rheumatology provider in Crystal Lake, Illinois, licensed in Illinois (036-053309) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Sycamore.

NPPES Registry Identity

NPI1285749390
Entity TypeIndividualMale
Primary Taxonomy207RR0500X
Provider Legal NameSTEPHEN HERBERT KOZLOWSKICredential: M.D.
Location Address360 STATION DRCrystal Lake, IL 60014-7978
Mailing Address360 Station DrCrystal Lake, IL 60014-7978 · (815) 338-6600
Phone(815) 338-6600
Sole ProprietorNo
Enumeration DateAugust 20, 2006
Last NPPES UpdateJuly 21, 20224 updates tracked since enumeration
✔ NPI 1285749390 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License✔ Licensed in IL · 036-053309
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
360 STATION DR, Crystal Lake, IL 60014
Open in Google Maps ↗

Secondary Practice Location 1

Location 12111 Midlands CtSycamore, IL 60178-3125 · Phone (815) 758-0000 · Fax (815) 758-0094

Other Identifiers 3

Other0359580001IL · Dmerc
Other01915167IL · Blue Cross/blue Shield
Other112318IL · Health Alliance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Stephen Herbert Kozlowski M.d. 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 60014 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
$127.46 typical visit price
range $54.80 – $168.44
Typical copayment $31.86 (range $13.70 – $42.11)
Most-billed visit code 99204
Established Patient
$97.25 typical visit price
range $17.16 – $136.56
Typical copayment $24.31 (range $4.29 – $34.14)
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.

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.

SANDRA JAESCHKE CNP
Nurse Practitioner
360 STATION DR
CRYSTAL LAKE, IL 60014
McHenry County (815) 338-6600
MRS. JENNA T WINSKO ANP-BC
Nurse Practitioner (Adult Health)
360 STATION DR, SUITE 120
CRYSTAL LAKE, IL 60014
McHenry County (815) 477-8900
MARIA JUANITA AVINA RN
Registered Nurse (Diabetes Educator)
360 STATION DR
CRYSTAL LAKE, IL 60014
McHenry County (815) 356-2382
CHRISTOPHER M NORTHERN PA
Physician Assistant
360 STATION DR
CRYSTAL LAKE, IL 60014
McHenry County (815) 356-2330
KATHLEEN L KRETCHMER R.N., C.D.E
Registered Nurse (Diabetes Educator)
360 STATION DR
CRYSTAL LAKE, IL 60014
McHenry County (815) 338-6600
NIRAL B PATEL M.D.
Family Medicine
360 STATION DR
CRYSTAL LAKE, IL 60014
McHenry County (815) 338-6600
YANBING LI M.D.
Family Medicine
360 STATION DR
CRYSTAL LAKE, IL 60014
McHenry County (815) 338-6600
CHILDREN'S PHYSICIAN GROUP
Pediatrics (Pediatric Cardiology)
360 STATION DR
CRYSTAL LAKE, IL 60014
McHenry County (815) 338-6600

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 Stephen Kozlowski's NPI number?

The NPI number for Stephen Kozlowski is 1285749390. It was assigned to this individual provider in the NPPES registry on August 20, 2006.

Where is Stephen Kozlowski located?

Stephen Kozlowski practices at 360 Station Dr, Crystal Lake, IL 60014. The listed phone number is (815) 338-6600.

What is Stephen Kozlowski's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Stephen Kozlowski enrolled in Medicare?

Yes. Stephen Kozlowski is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Stephen Kozlowski was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.