Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MR. CHESTER B. KOZAK II PA-C
NPI 1346203072
Physician Assistant in Leavenworth, KS

Active since April 12, 2006
4101 S 4TH ST, LEAVENWORTH, KS 66048(913) 682-2000(913) 758-4185 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. Chester B. Kozak Ii Pa-c NPPES

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

MR. CHESTER B. KOZAK II PA-C (NPI 1346203072) is an individual physician assistant in Leavenworth, Kansas, licensed in Kansas (00271) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1346203072
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameMR. CHESTER B. KOZAK IICredential: PA-C
Location Address4101 S 4TH STLeavenworth, KS 66048-5014
Mailing Address1530 Southern Hills TerLansing, KS 66043-6202 · (913) 250-0334 · Fax (913) 250-0334
Fax(913) 758-4185
Sole ProprietorNo
Enumeration DateApril 12, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1346203072 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 KS · 00271
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.
4101 S 4TH ST, Leavenworth, KS 66048

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.

Registered Nurse
4101 S 4TH ST
LEAVENWORTH, KS 66048
Registered Nurse
4101 S 4TH ST
LEAVENWORTH, KS 66048
Internal Medicine (Pulmonary Disease)
4101 S 4TH ST
LEAVENWORTH, KS 66048
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
4101 S 4TH ST
LEAVENWORTH, KS 66048
Registered Nurse
4101 S 4TH ST
LEAVENWORTH, KS 66048
Registered Nurse (Medical-Surgical)
4101 S 4TH ST
LEAVENWORTH, KS 66048
Registered Nurse (Emergency)
4101 S 4TH ST
LEAVENWORTH, KS 66048
Licensed Practical Nurse
4101 S 4TH ST
LEAVENWORTH, KS 66048

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 Chester Kozak's NPI number?

The NPI number for Chester Kozak is 1346203072. It was assigned to this individual provider in the NPPES registry on April 12, 2006.

Where is Chester Kozak located?

Chester Kozak practices at 4101 S 4th St, Leavenworth, KS 66048. The listed phone number is (913) 682-2000.

What is Chester Kozak's specialty?

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

When was this NPI record last updated?

The NPPES record for Chester Kozak was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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.