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MS. CHRISTINE PATRICIA BAKER RN, CNS
NPI 1194842815
Clinical Nurse Specialist in Chicago, IL

Active since March 26, 2007PECOS Enrolled
5841 S MARYLAND AVE, CHICAGO, IL 60637(773) 702-9618 Get Directions Write a Review

NPPES record last updated: March 19, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ms. Christine Patricia Baker Rn, Cns NPPES

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

MS. CHRISTINE PATRICIA BAKER RN, CNS (NPI 1194842815) is an individual clinical nurse specialist in Chicago, Illinois, licensed in Illinois (277000877) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194842815
Entity TypeIndividualFemale
Primary Taxonomy364S00000X
Provider Legal NameMS. CHRISTINE PATRICIA BAKERCredential: RN, CNS
Location Address5841 S MARYLAND AVEChicago, IL 60637-1447
Mailing Address8741 Wedgewood DrBurr Ridge, IL 60527-6394 · (630) 908-7791
Phone(773) 702-9618
Sole ProprietorYes
Enumeration DateMarch 26, 2007
Last NPPES UpdateMarch 19, 2025
NPPES CertifiedMarch 19, 2025
✔ NPI 1194842815 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyClinical Nurse SpecialistPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code364S00000X
License✔ Licensed in IL · 277000877
Definition
A registered nurse who, through a graduate degree program in nursing, or through a formal post-basic education program or continuing education courses and clinical experience, is expert in a specialty area of nursing practice within one or more of the components of direct patient/client care, consultation, education, research and administration.
Also ListedRegistered Nurse · Continence CareTaxonomy 163WC2100X · License 041-219185 (IL)
Also ListedRegistered Nurse · Wound CareTaxonomy 163WW0000X · License 041-219185 (IL)
Also ListedRegistered Nurse · Ostomy CareTaxonomy 163WX1500X · License 041-219185 (IL)
5841 S MARYLAND AVE, Chicago, IL 60637
Open in Google Maps ↗

Accepted Insurance

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Christine Patricia Baker Rn, Cns 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.

Medicare Billing Reassignment

Medicare enrollment records show Christine Baker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

The University Of Chicago Medical Center
Same address
General Acute Care Hospital
5841 S MARYLAND AVE
Chicago, IL 60637
  • Reassigned Medicare billing, Illinois enrollment
  • 635 clinicians in this Medicare group
NPI 1033218128 (773) 702-1530

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60637 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
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. DON MARTINEZ M.D.
Radiology (Diagnostic Radiology)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 926-8318
ALEXANDRA DUMITRESCU
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200
PELEG HOROWITZ
Neurological Surgery
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200
SANDEEP GURBUXANI
Pathology (Hematology)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200
DR. NIREN GANDRA M.D.
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 702-0240
ALLIE DAKROUB MD MS
Internal Medicine
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 702-1000
SCOTT VASHER MD
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (773) 702-1000
DR. NATHAN CHARLES NOWALK M.D.
Internal Medicine (Pulmonary Disease)
5841 S MARYLAND AVE
CHICAGO, IL 60637
Cook County (888) 824-0200

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 Christine Baker's NPI number?

The NPI number for Christine Baker is 1194842815. It was assigned to this individual provider in the NPPES registry on March 26, 2007.

Where is Christine Baker located?

Christine Baker practices at 5841 S Maryland Ave, Chicago, IL 60637. The listed phone number is (773) 702-9618.

What is Christine Baker's specialty?

The primary specialty registered for this NPI is Clinical Nurse Specialist with taxonomy code 364S00000X.

Is Christine Baker enrolled in Medicare?

Yes. Christine Baker is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Christine Baker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christine Baker reassigns Medicare benefits to The University Of Chicago Medical Center (Chicago, IL). The 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 Christine Baker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Christine Baker accept?

Health plans from Oscar Health list Christine Baker 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.

When was this NPI record last updated?

The NPPES record for Christine Baker was last updated on March 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.