1. Home
  2. Directory
  3. Illinois
  4. Schaumburg
  5. Nurse Practitioner
  6. NPI Profile

KIMBERLY B ST. JOHN NP-C
NPI 1568820868
Nurse Practitioner in Schaumburg, IL

Active since February 02, 2016PECOS EnrolledAccepts Medicare Assignment
929 W HIGGINS RD, SCHAUMBURG, IL 60195(847) 285-4200(847) 885-0130 Get Directions Write a Review

NPPES record last updated: December 23, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 23, 2025, Jun 17, 2024, Feb 16, 2016 and 1 more (4 updates tracked since 2016).

About Kimberly B St. John Np-c NPPES

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

KIMBERLY B ST. JOHN NP-C (NPI 1568820868) is an individual nurse practitioner in Schaumburg, Illinois, licensed in Illinois (277001320) and active in the NPI registry since February 2016. She is enrolled in Medicare PECOS, is affiliated with Northwest Community Hospital 1, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1568820868
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameKIMBERLY B ST. JOHNCredential: NP-C
Location Address929 W HIGGINS RDSchaumburg, IL 60195-3203
Mailing Address929 W Higgins RdSchaumburg, IL 60195-3203 · (847) 285-4200 · Fax (847) 885-0130
Phone(847) 285-4200
Fax(847) 885-0130
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateFebruary 2, 2016
Last NPPES UpdateDecember 23, 20254 updates tracked since enumeration
NPPES CertifiedDecember 23, 2025
✔ NPI 1568820868 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
Licenses✔ Licensed in IL · 277001320✔ Licensed in IL · 209.012797
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
929 W HIGGINS RD, Schaumburg, IL 60195
Open in Google Maps ↗

Other Names 1

Former Name (1)Kimberly Koski

Secondary Practice Locations 2

Location 1519 S Roselle RdSchaumburg, IL 60193-2925 · Phone (847) 618-0535
Location 21300 E Central RdArlington Heights, IL 60005-2857 · Phone (847) 870-6100

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Kimberly B St. John Np-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 ID7618272006
PECOS Enrollment IDI20160223001318
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Kimberly St. John reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Barrington Orthopedic Specialists Ltd
Same address
Orthopaedic Surgery
929 W HIGGINS RD
Schaumburg, IL 60195
  • Reassigned Medicare billing, Illinois enrollment
  • 53 clinicians in this Medicare group
NPI 1336196476 (847) 285-4200
Endeavor Health Medical Group
22 mi
Allergy & Immunology
1000 CENTRAL ST
Evanston, IL 60201
  • Reassigned Medicare billing, Illinois enrollment
  • 4,841 clinicians in this Medicare group
NPI 1497701882 (847) 570-5235
Orthomidwest, PLLC
49 mi
Orthopaedic Surgery
324 ROXBURY RD
Rockford, IL 61107
  • Reassigned Medicare billing, Illinois enrollment
  • 562 clinicians in this Medicare group
NPI 1730136474 (815) 398-9491

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

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.

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.
69 services68 patients
Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
41 services40 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.
16 services16 patients
New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202
This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.
13 services13 patients

Hospital Affiliations CMS Care Compare 2

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

Northwest Community Hospital 1

Acute Care Hospitals · Arlington Heights, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140252
Location800 W Central RoadArlington Heights, IL 60005 · Cook County
Emergency services Birthing friendly

St Alexius Medical Center

Acute Care Hospitals · Hoffman Estates, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140290
Location1555 N Barrington RdHoffman Estates, IL 60169 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60195 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
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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.

DR. RICHARD S RABINOWITZ MD
Orthopaedic Surgery
929 W HIGGINS RD
SCHAUMBURG, IL 60195
Cook County (847) 285-4200
MRS. ALEXANDRA S MAREK PTA
Physical Therapy Assistant
929 W HIGGINS RD
SCHAUMBURG, IL 60195
Cook County (847) 285-4200
MR. CHRISTOPHER A CARLSON PT
Physical Therapist
929 W HIGGINS RD
SCHAUMBURG, IL 60195
Cook County (847) 285-4200
RIVKAH HERSHKOVICH OT
Occupational Therapist
929 W HIGGINS RD
SCHAUMBURG, IL 60195
Cook County (847) 285-4200
JESSICA MARKS PTA
Physical Therapy Assistant
929 W HIGGINS RD
SCHAUMBURG, IL 60195
Cook County (847) 285-4200
HANCI ZHANG MD
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
929 W HIGGINS RD
SCHAUMBURG, IL 60195
Cook County (847) 285-4200
AMY MUELLER ATC
Specialist/Technologist (Athletic Trainer)
929 W HIGGINS RD
SCHAUMBURG, IL 60195
Cook County (847) 285-4200
GERALD EDESON PUNZAL VALLO OT
Occupational Therapist
929 W HIGGINS RD
SCHAUMBURG, IL 60195
Cook County (847) 285-4200

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 Kimberly St. John's NPI number?

The NPI number for Kimberly St. John is 1568820868. It was assigned to this individual provider in the NPPES registry on February 2, 2016. The provider is also known as Kimberly Koski.

Where is Kimberly St. John located?

Kimberly St. John practices at 929 W Higgins Rd, Schaumburg, IL 60195. The listed phone number is (847) 285-4200.

What is Kimberly St. John's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Kimberly St. John enrolled in Medicare?

Yes. Kimberly St. John is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Kimberly St. John's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kimberly St. John reassigns Medicare benefits to 3 organizations: Barrington Orthopedic Specialists Ltd (Schaumburg, IL), Endeavor Health Medical Group (Evanston, IL) and Orthomidwest, PLLC (Rockford, IL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kimberly St. John's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kimberly St. John accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list Kimberly St. John as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Kimberly St. John affiliated with any hospitals?

According to CMS data, Kimberly St. John is affiliated with Northwest Community Hospital 1 and St Alexius Medical Center.

When was this NPI record last updated?

The NPPES record for Kimberly St. John was last updated on December 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.