HOWARD SIMON MD PLLC
NPI 1659930998
Radiology - Diagnostic Radiology in Chicago, IL

Active since June 11, 2019
446 E ONTARIO ST STE 106, CHICAGO, IL 60611(312) 440-0016 Get Directions Write a Review

NPPES record last updated: August 6, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 6, 2025, Apr 7, 2023, Jul 27, 2020 and 2 more (5 updates tracked since 2019).

About Howard Simon Md Pllc NPPES

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

HOWARD SIMON MD PLLC (NPI 1659930998), doing business as Simonmed Imaging, is a healthcare organization registered as a diagnostic radiology in Chicago, Illinois and active in the NPI registry since June 2019. The organization lists Howard J Simon, Ceo, as its authorized official.

NPPES Registry Identity

NPI1659930998
Entity TypeOrganization
Primary Taxonomy2085R0202X
Legal Business NameHOWARD SIMON MD PLLC
Location Address446 E ONTARIO ST STE 106Chicago, IL 60611-7110
Mailing Address16220 N Scottsdale Rd Ste 600Scottsdale, AZ 85254-1804 · (480) 306-6949 · Fax (602) 302-5706
Organization SubpartNo
Authorized OfficialHoward J SimonCeo · (480) 306-6949
Enumeration DateJune 11, 2019
Last NPPES UpdateAugust 6, 20255 updates tracked since enumeration
NPPES CertifiedAugust 6, 2025
✔ NPI 1659930998 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
446 E ONTARIO ST STE 106, Chicago, IL 60611

Other Names 1

Doing Business AsSimonmed Imaging

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Howard Simon Md Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date 2

Next revalidation due by October 31, 2026

This provider holds 2 Medicare enrollments with upcoming revalidation dates. Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateNew YorkEnrollment IDO20210318001764Non-DME Part B · Clinic/Group PracticeDue dateOctober 31, 2026
StateGeorgiaEnrollment IDO20210323002759Non-DME Part B · Clinic/Group PracticeDue dateNovember 30, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

269

Medicare enrollment records show 269 clinicians reassign Medicare billing to Howard Simon MD PLLC, which bills Medicare for the services they deliver. Of these, 22 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 7

Diagnostic Radiology232
Interventional Radiology18
Cardiovascular Disease (Cardiology)10
Nurse Practitioner6
Advanced Heart Failure and Transplant Cardiology1
Hospitalist1
Interventional Cardiology1

Nearest to this location (20)

See all 269
Diagnostic Radiology
NPI 1528351673
676 N SAINT CLAIR ST SUITE 800 ARKES PAVILION
Chicago, IL 60611
(312) 695-5103
✔ PECOS✔ Accepts Medicare0.2 mi
Diagnostic Radiology
NPI 1609032549
251 E HURON ST
Chicago, IL 60611
(312) 926-2000
✔ PECOS✔ Accepts Medicare0.3 mi
Diagnostic Radiology
NPI 1841787314
250 E SUPERIOR ST STE 4-2304
Chicago, IL 60611
(312) 695-5753
✔ PECOS✔ Accepts Medicare0.3 mi
Diagnostic Radiology
NPI 1740644038
251 E HURON ST
Chicago, IL 60611
(312) 926-9451
✔ PECOS✔ Accepts Medicare0.3 mi
Diagnostic Radiology
NPI 1467613653
1653 W CONGRESS PKWY DIAGNOSTIC RADIOLOGY/BODY IMAGING
Chicago, IL 60612
(312) 942-5000
✔ PECOS✔ Accepts Medicare3.0 mi
Diagnostic Radiology
NPI 1851821581
600 S PAULINA ST STE 403
Chicago, IL 60612
(312) 942-5495
✔ PECOS✔ Accepts Medicare3.1 mi
Interventional Radiology
NPI 1366833204
1725 W HARRISON ST STE 450
Chicago, IL 60612
(312) 942-4184
✔ PECOS3.1 mi
Diagnostic Radiology
NPI 1962030841
1725 W HARRISON ST
Chicago, IL 60612
(888) 352-7874
✔ PECOS✔ Accepts Medicare3.1 mi
Diagnostic Radiology
NPI 1508230491
1740 W TAYLOR ST
Chicago, IL 60612
(312) 413-3737
✔ PECOS✔ Accepts Medicare3.3 mi
Interventional Radiology
NPI 1972009249
1740 W TAYLOR ST
Chicago, IL 60612
(312) 413-4900
✔ PECOS✔ Accepts Medicare3.3 mi
Diagnostic Radiology
NPI 1992946511
1901 W HARRISON ST DEPT OF RADIOLOGY
Chicago, IL 60612
(312) 864-3825
✔ PECOS✔ Accepts Medicare3.3 mi
Diagnostic Radiology
NPI 1790244697
836 W WELLINGTON AVE
Chicago, IL 60657
(727) 386-6314
✔ PECOS✔ Accepts Medicare3.5 mi
Diagnostic Radiology
NPI 1790769511
1501 S CALIFORNIA AVE
Chicago, IL 60608
(773) 257-6498
✔ PECOS4.7 mi
Diagnostic Radiology
NPI 1831120278
1501 S CALIFORNIA AVE
Chicago, IL 60608
(773) 257-6498
✔ PECOS✔ Accepts Medicare4.7 mi
Diagnostic Radiology
NPI 1376021410
5841 S MARYLAND AVE # MC2026
Chicago, IL 60637
(773) 702-3550
✔ PECOS7.3 mi
Diagnostic Radiology
NPI 1073856118
5841 S MARYLAND AVE MCO810
Chicago, ID 60637
(773) 834-9102
✔ PECOS✔ Accepts Medicare7.3 mi
Diagnostic Radiology
NPI 1811519465
5841 S MARYLAND AVE # MC2026
Chicago, IL 60637
(773) 702-3550
✔ PECOS✔ Accepts Medicare7.3 mi
Interventional Radiology
NPI 1417480419
5841 S MARYLAND AVE
Chicago, IL 60637
(888) 824-0200
✔ PECOS✔ Accepts Medicare7.3 mi
Diagnostic Radiology
NPI 1669881702
5841 S MARYLAND AVE # MC2026
Chicago, IL 60637
(773) 702-1000
✔ PECOS✔ Accepts Medicare7.3 mi
Diagnostic Radiology
NPI 1285262733
5841 S MARYLAND AVE
Chicago, IL 60637
(866) 600-2273
✔ PECOS7.3 mi
See all 269 clinicians

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

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 Howard Simon MD PLLC's NPI number?

The NPI number for Howard Simon MD PLLC is 1659930998. It was assigned to this organization in the NPPES registry on June 11, 2019. The provider is doing business as Simonmed Imaging.

Where is Howard Simon MD PLLC located?

Howard Simon MD PLLC is located at 446 E Ontario St Ste 106, Chicago, IL 60611. The listed phone number is (312) 440-0016.

What is Howard Simon MD PLLC's specialty?

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

Is Howard Simon MD PLLC enrolled in Medicare?

Yes. Howard Simon MD PLLC is registered in the Medicare PECOS enrollment system.

When is Howard Simon MD PLLC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), Howard Simon MD PLLC holds 2 Medicare enrollments with upcoming revalidation dates. The next is due by October 31, 2026 (Non-DME Part B, New York, Clinic/Group Practice). Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Howard Simon MD PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 269 clinicians in 7 Medicare specialties reassign their Medicare billing to Howard Simon MD PLLC. A 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 the clinician's services. The largest specialties are Diagnostic Radiology (232), Interventional Radiology (18) and Cardiovascular Disease (Cardiology) (10). Of these, 22 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Howard Simon MD PLLC accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Anthem Blue Cross and Blue Shield, Oscar Health Maintenance Organization of Florida and Oscar Health Plan, Inc. list Howard Simon MD PLLC 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 Howard Simon MD PLLC was last updated on August 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.