DR. C. WOODWORTH PARKER D.O.
NPI 1831552876
Emergency Medicine in Chicago, IL

Q: What is C. Woodworth Parker's NPI number?

The NPI number for C. Woodworth Parker is 1831552876. It was assigned to this individual provider in the NPPES registry on March 29, 2016. The provider is also known as Dr. Christopher Woodworth Parker Do.

Q: What is C. Woodworth Parker's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Active since March 29, 2016PECOS Enrolled

5645 W ADDISON ST, CHICAGO, IL 60634(773) 794-7601 Get Directions Write a Review

NPPES record last updated: November 18, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Nov 18, 2024, Sep 21, 2021, Apr 13, 2021 and 3 more (6 updates tracked since 2016).

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About Dr. C. Woodworth Parker D.o. NPPES

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

DR. C. WOODWORTH PARKER D.O. (NPI 1831552876) is an individual emergency medicine provider in Chicago, Illinois, licensed in Illinois (036.172111) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1831552876

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameDR. C. WOODWORTH PARKERCredential: D.O.

Location Address5645 W ADDISON STChicago, IL 60634-2881

Mailing Address5833 N Sheridan RdChicago, IL 60660-3835 · (816) 304-1599

Phone(773) 794-7601

Sole ProprietorYes

Enumeration DateMarch 29, 2016

Last NPPES UpdateNovember 18, 20246 updates tracked since enumeration

NPPES CertifiedNovember 18, 2024

✔ NPI 1831552876 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in IL · 036.172111

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

5645 W ADDISON ST, Chicago, IL 60634

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Other Names 1

Other Name (5)Dr. Christopher Woodworth Parker Do

Secondary Practice Location 1

Location 1600 S Paulina StChicago, IL 60612-3806 · Phone (321) 710-5444

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. C. Woodworth Parker D.o. 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 C. Woodworth Parker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Community First Healthcare Of Illinois, Inc.

Same address

Diagnostic Radiology

5645 W ADDISON ST
Chicago, IL 60634

Reassigned Medicare billing, Illinois enrollment
174 clinicians in this Medicare group

NPI 1053102269 (773) 282-7000

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 2

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.

Electrocardiogram (ecg) 1 to 3 leads with review by physician only 93042

An Electrocardiogram (ECG) is a non-invasive test that records the electrical activity of your heart. 1 to 3 leads or sensors are placed on your body to capture this data. A physician then reviews the results to evaluate your heart's health.

15 services15 patients

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

15 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60634 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. AARON DANIEL KALLSNICK M.D.

Anesthesiology