1. Home
  2. Directory
  3. Illinois
  4. Chicago
  5. Internal Medicine
  6. NPI Profile

DR. CHASE RUPPRECHT DO
NPI 1043738388
Internal Medicine - Allergy & Immunology in Chicago, IL

Active since September 07, 2017PECOS Enrolled
251 E HURON ST, CHICAGO, IL 60611(312) 926-2000 Get Directions Write a Review

NPPES record last updated: August 7, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Chase Rupprecht Do NPPES

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

DR. CHASE RUPPRECHT DO (NPI 1043738388) is an individual allergy & immunology provider in Chicago, Illinois, licensed in Illinois (036175626) and active in the NPI registry since September 2017. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1043738388
Entity TypeIndividualMale
Primary Taxonomy207RA0201X
Provider Legal NameDR. CHASE RUPPRECHTCredential: DO
Location Address251 E HURON STChicago, IL 60611-2908
Mailing Address455 E Waterside Dr Unit 1601Chicago, IL 60601-0017 · (973) 828-5833
Phone(312) 926-2000
Sole ProprietorYes
Enumeration DateSeptember 7, 2017
Last NPPES UpdateAugust 7, 2025
NPPES CertifiedAugust 7, 2025
✔ NPI 1043738388 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Allergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207RA0201X
License✔ Licensed in IL · 036175626
Definition
An internist doctor of osteopathy that specializes in the treatment of allergy and immunologic disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine can obtain a Certificate of Special Qualifications in the field of Allergy & Immunology.
251 E HURON ST, Chicago, IL 60611
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Chase Rupprecht Do 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60611 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
$74.80 typical visit price
range $18.97 – $148.12
Typical copayment $18.70 (range $4.74 – $37.03)
Most-billed visit code 99213
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.

MARK WANG M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
251 E HURON ST, FEINBERG PAVILION
CHICAGO, IL 60611
Cook County (312) 503-8144
DR. MARLEY ANN DOYLE M/D.
Psychiatry & Neurology (Psychiatry)
251 E HURON ST, GALTER 3-150, C
CHICAGO, IL 60611
Cook County (312) 926-6895
CASSIDY SCHWAB MD
Anesthesiology
251 E HURON ST
CHICAGO, IL 60611
Cook County (312) 695-0061
SEONG PARK
Internal Medicine
251 E HURON ST
CHICAGO, IL 60611
Cook County (312) 926-2000
EMMA WALLS GREEVER MD
Emergency Medicine
251 E HURON ST
CHICAGO, IL 60611
Cook County (312) 926-2000
NICOLE ELIZABETH TRUPIANO MD
Dermatology
251 E HURON ST
CHICAGO, IL 60611
Cook County (312) 926-2000
ASHRAF SAMHAN MD
Internal Medicine
251 E HURON ST
CHICAGO, IL 60611
Cook County (312) 926-2000
DR. SABINA SPIGNER MD, MS, MPH
Obstetrics & Gynecology
251 E HURON ST
CHICAGO, IL 60611
Cook County (312) 926-2000

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 Chase Rupprecht's NPI number?

The NPI number for Chase Rupprecht is 1043738388. It was assigned to this individual provider in the NPPES registry on September 7, 2017.

Where is Chase Rupprecht located?

Chase Rupprecht practices at 251 E Huron St, Chicago, IL 60611. The listed phone number is (312) 926-2000.

What is Chase Rupprecht's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Allergy & Immunology, with taxonomy code 207RA0201X.

Is Chase Rupprecht enrolled in Medicare?

Yes. Chase Rupprecht is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Chase Rupprecht was last updated on August 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.