RIVERSIDE MEDICAL, S.C.
NPI 1295918795
Internal Medicine in Arlington Heights, IL

Active since December 07, 2007CLIA 14D0411499 · Waiver
3405 N ARLINGTON HEIGHTS RD, ARLINGTON HEIGHTS, IL 60004(847) 577-9300(847) 577-9318 Get Directions Write a Review

NPPES record last updated: December 7, 2007. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Riverside Medical, S.c. NPPES

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

RIVERSIDE MEDICAL, S.C. (NPI 1295918795) is a healthcare organization registered as an internal medicine in Arlington Heights, Illinois and active in the NPI registry since December 2007. The organization holds a CLIA Waiver certificate valid through August 27, 2028 and lists Monica Marie Esparza, Business Office Manager, as its authorized official.

NPPES Registry Identity

NPI1295918795
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameRIVERSIDE MEDICAL, S.C.
Location Address3405 N ARLINGTON HEIGHTS RDArlington Heights, IL 60004-1536
Mailing Address3405 N Arlington Heights RdArlington Heights, IL 60004-1536 · (847) 577-9300 · Fax (847) 577-9318
Fax(847) 577-9318
Organization SubpartNo
Authorized OfficialMonica Marie EsparzaBusiness Office Manager · (847) 577-9300
Enumeration DateDecember 7, 2007
✔ NPI 1295918795 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
3405 N ARLINGTON HEIGHTS RD, Arlington Heights, IL 60004

Other Identifiers 2

Other648500IL · Medicaregroup
Other1616210IL · Bcbs Group

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 SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Riverside Medical, S.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

14

Medicare enrollment records show 14 clinicians reassign Medicare billing to Riverside Medical, S.C., which bills Medicare for the services they deliver. Of these, 12 practice within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 5

Internal Medicine8
Physical Therapist in Private Practice3
Dermatology1
Gastroenterology1
Nurse Practitioner1

Clinicians, nearest first (14)

Internal Medicine
NPI 1194772509
3405 N ARLINGTON HEIGHTS RD
Arlington Heights, IL 60004
(847) 398-0063
✔ PECOS0.3 mi
Internal Medicine
NPI 1447205869
3405 N ARLINGTON HEIGHTS RD
Arlington Heights, IL 60004
(847) 577-9300
✔ PECOS✔ Accepts Medicare0.3 mi
Internal Medicine
NPI 1811944226
3405 N ARLINGTON HEIGHTS RD
Arlington Heights, IL 60004
(847) 398-0063
✔ PECOS0.3 mi
Physical Therapist in Private Practice
NPI 1194162206
3405 N ARLINGTON HEIGHTS ROAD
Arlington Heights, IL 60004
(847) 577-9300
✔ Accepts Medicare0.3 mi
Internal Medicine
NPI 1720035132
3405 N ARLINGTON HEIGHTS RD
Arlington Heights, IL 60004
(847) 577-9300
✔ PECOS0.3 mi
Internal Medicine
NPI 1831138528
3405 N ARLINGTON HEIGHTS RD
Arlington Heights, IL 60004
(847) 398-0063
✔ PECOS0.3 mi
Internal Medicine
NPI 1942495874
3405 N ARLINGTON HEIGHTS RD
Arlington Heights, IL 60004
(847) 577-9300
✔ PECOS✔ Accepts Medicare0.3 mi
Physical Therapist in Private Practice
NPI 1568695583
3405 N ARLINGTON HEIGHTS RD
Arlington Heights, IL 60004
(847) 577-9300
✔ Accepts Medicare0.3 mi
Gastroenterology
NPI 1093760415
3405 N ARLINGTON HEIGHTS ROAD
Arlington Heights, IL 60004
(847) 577-9300
✔ PECOS0.3 mi
Internal Medicine
NPI 1851557102
15 S MCHENRY RD FL 2
Buffalo Grove, IL 60089
(847) 618-0351
✔ PECOS✔ Accepts Medicare1.7 mi
Internal Medicine
NPI 1669899159
1775 BALLARD RD
Park Ridge, IL 60068
(847) 318-9340
✔ PECOS✔ Accepts Medicare9.3 mi
Dermatology
NPI 1447272885
950 SKOKIE BLVD STE 202
Northbrook, IL 60062
(630) 349-7323
✔ PECOS✔ Accepts Medicare9.7 mi
Physical Therapist in Private Practice
NPI 1053074690
1816 170TH ST
Hazel Crest, IL 60429
(708) 335-4081
✔ Accepts Medicare42 mi
Nurse Practitioner
NPI 1962056234
3505 N BELL SCHOOL RD
Rockford, IL 61114
(779) 696-0300
✔ PECOS✔ Accepts Medicare52 mi

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 14D0411499

Riverside Medical Sc · Arlington Heights, IL
Active · expires Aug 27, 2028
CLIA Number14D0411499
Laboratory TypePhysician Office
Certificate Effective DateAugust 28, 2026
Certificate Expiration DateAugust 27, 2028
Laboratory DirectorJason Thalheimer
Laboratory Phone(847) 577-9300
Laboratory LocationRiverside Medical Sc3405 N Arlington Heights Rd, Arlington Heights, IL 60004
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Riverside Medical, S.C.'s NPI number?

The NPI number for Riverside Medical, S.C. is 1295918795. It was assigned to this organization in the NPPES registry on December 7, 2007.

Where is Riverside Medical, S.C. located?

Riverside Medical, S.C. is located at 3405 N Arlington Heights Rd, Arlington Heights, IL 60004. The listed phone number is (847) 577-9300.

What is Riverside Medical, S.C.'s specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Riverside Medical, S.C. enrolled in Medicare?

Yes. Riverside Medical, S.C. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Riverside Medical, S.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 14 clinicians in 5 Medicare specialties reassign their Medicare billing to Riverside Medical, S.C.. 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 Internal Medicine (8), Physical Therapist in Private Practice (3) and Dermatology (1). Of these, 12 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Riverside Medical, S.C. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 14D0411499) is associated with this NPI, valid through August 27, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Riverside Medical, S.C. was last updated on December 7, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.