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DANIEL KWAK MD
NPI 1285262733
Radiology - Diagnostic Radiology in Chicago, IL

Active since March 31, 2020PECOS Enrolled
5841 S MARYLAND AVE, CHICAGO, IL 60637(866) 600-2273(773) 702-6024 Get Directions Write a Review

NPPES record last updated: July 20, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 22, 2021, Mar 31, 2020 (2 updates tracked since 2020).

About Daniel Kwak Md NPPES

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

DANIEL KWAK MD (NPI 1285262733) is an individual diagnostic radiology provider in Chicago, Illinois, licensed in Illinois (36.167265) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1285262733
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameDANIEL KWAKCredential: MD
Location Address5841 S MARYLAND AVEChicago, IL 60637-1443
Mailing Address180 Harvester Dr Ste 110Burr Ridge, IL 60527-6686 · (773) 702-1150
Phone(866) 600-2273
Fax(773) 702-6024
Sole ProprietorNo
Enumeration DateMarch 31, 2020
Last NPPES UpdateJuly 20, 20252 updates tracked since enumeration
NPPES CertifiedJuly 20, 2025
✔ NPI 1285262733 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in IL · 36.167265
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
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 Ambetter Health, Ambetter of Alabama, Blue Cross Blue Shield of Arizona and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Daniel Kwak Md 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 Reassignments

3

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

Howard Simon MD PLLC
7.3 mi
Diagnostic Radiology
446 E ONTARIO ST STE 106
Chicago, IL 60611
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 5 clinicians in this Medicare group
NPI 1659930998 (312) 440-0016
Simonmed Imaging Florida LLC
989 mi
Diagnostic Radiology
14302 BRUCE B DOWNS BLVD
Tampa, FL 33613
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 15 clinicians in this Medicare group
NPI 1477830818 (813) 979-7580
Smi Imaging, LLC
1,445 mi
Diagnostic Radiology
6740 E CAMELBACK RD STE 100
Scottsdale, AZ 85251
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 11 clinicians in this Medicare group
NPI 1972004489 (602) 651-1945

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
$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
$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.

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 Daniel Kwak's NPI number?

The NPI number for Daniel Kwak is 1285262733. It was assigned to this individual provider in the NPPES registry on March 31, 2020.

Where is Daniel Kwak located?

Daniel Kwak practices at 5841 S Maryland Ave, Chicago, IL 60637. The listed phone number is (866) 600-2273.

What is Daniel Kwak's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Daniel Kwak enrolled in Medicare?

Yes. Daniel Kwak is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Daniel Kwak's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Kwak reassigns Medicare benefits to 3 organizations: Howard Simon MD PLLC (Chicago, IL), Simonmed Imaging Florida LLC (Tampa, FL) and Smi Imaging, LLC (Scottsdale, AZ). 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 Daniel Kwak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Daniel Kwak accept?

Health plans from Ambetter Health, Ambetter of Alabama, Blue Cross Blue Shield of Arizona and Oscar Health list Daniel Kwak 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 Daniel Kwak was last updated on July 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.