DR. REBECCA JONAS
NPI 1265964266
Internal Medicine - Cardiovascular Disease in Chicago, IL

Q: What is Rebecca Jonas's NPI number?

The NPI number for Rebecca Jonas is 1265964266. It was assigned to this individual provider in the NPPES registry on March 29, 2017.

Q: What is Rebecca Jonas's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Rebecca Jonas was last updated on July 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since March 29, 2017

1725 W HARRISON ST, CHICAGO, IL 60612(312) 942-5000 Get Directions Write a Review

NPPES record last updated: July 1, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 1, 2024, May 2, 2024, Apr 23, 2024 and 3 more (6 updates tracked since 2017).

On this page

About Dr. Rebecca Jonas NPPES

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

DR. REBECCA JONAS (NPI 1265964266) is an individual cardiovascular disease provider in Chicago, Illinois, licensed in Illinois (036170794) and active in the NPI registry since March 2017.

NPPES Registry Identity

NPI1265964266

Entity TypeIndividualFemale

Primary Taxonomy207RC0000X

Provider Legal NameDR. REBECCA JONAS

Location Address1725 W HARRISON STChicago, IL 60612-3841

Mailing Address1725 W Harrison StChicago, IL 60612-3841 · (312) 942-5000

Phone(312) 942-5000

Sole ProprietorNo

Enumeration DateMarch 29, 2017

Last NPPES UpdateJuly 1, 20246 updates tracked since enumeration

NPPES CertifiedJuly 1, 2024

✔ NPI 1265964266 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

Licenses✔ Licensed in IL · 036170794✔ Licensed in CT · 75729

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

Also ListedInternal MedicineTaxonomy 207R00000X · License MD471376 (PA), 75729 (CT)

1725 W HARRISON ST, Chicago, IL 60612

Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Rebecca Jonas is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Mill Hill Medical Consultants Inc

730 mi

Cardiovascular Disease

55 HOLLY HILL LN, SUITE 240
Greenwich, CT 06830

Reassigned Medicare billing, Connecticut enrollment
Medicare enrollment name: Northeast Medical Group Inc
1,824 clinicians in this Medicare group

NPI 1396755245 (203) 863-4210

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 3

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

85 services43 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

21 services11 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

16 services16 patients

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. MARTA BATUS MD

Internal Medicine (Medical Oncology)

1725 W HARRISON ST, SUITE 809
CHICAGO, IL 60612

Cook County (312) 563-2487

KM WILLIAMS MD SC

Clinic/Center (Ophthalmologic Surgery)

1725 W HARRISON ST, STE 910
CHICAGO, IL 60612

Cook County (312) 622-7320

KENNETH M BOYER M.D.

Pediatrics (Pediatric Infectious Diseases)

1725 W HARRISON ST, SUITE 710
CHICAGO, IL 60612

Cook County (312) 942-3034

RUSH UNIVERSITY MEDICAL CENTER

Internal Medicine (Hematology)

1725 W HARRISON ST, SUITE 1010
CHICAGO, IL 60612

Cook County (312) 942-5904

DAVID ANSELL M.D.

Internal Medicine

1725 W HARRISON ST, SUITE 263
CHICAGO, IL 60612

Cook County (312) 942-6700

MIDWEST NEUROPSYCHIATRIC ASSOC LTD

Specialist

1725 W HARRISON ST, SUITE 744
CHICAGO, IL 60612

Cook County (312) 942-0118

JANICE DIESCHBOURG M.D.

Radiology (Diagnostic Radiology)

1725 W HARRISON ST, SUITE 155
CHICAGO, IL 60612

Cook County (312) 563-3269

AFFILIATED UROLOGISTS, LTD

Specialist

1725 W HARRISON ST, SUITE 762
CHICAGO, IL 60612

Cook County (312) 563-3447

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 Rebecca Jonas's NPI number?

The NPI number for Rebecca Jonas is 1265964266. It was assigned to this individual provider in the NPPES registry on March 29, 2017.

Where is Rebecca Jonas located?

Rebecca Jonas practices at 1725 W Harrison St, Chicago, IL 60612. The listed phone number is (312) 942-5000.

What is Rebecca Jonas's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Rebecca Jonas enrolled in Medicare?

Yes. Rebecca Jonas is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Rebecca Jonas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Rebecca Jonas reassigns Medicare benefits to Mill Hill Medical Consultants Inc (Greenwich, CT). 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 Rebecca Jonas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Rebecca Jonas was last updated on July 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.