EDWARD HEMATOLOGY ONCOLOGY GROUP
NPI 1811012255
Internal Medicine - Hematology & Oncology in Naperville, IL

Active since March 21, 2007
120 SPALDING DRIVE, SUITE 111, NAPERVILLE, IL 60540(630) 527-3788(630) 646-6071 Get Directions Write a Review

NPPES record last updated: March 30, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Edward Hematology Oncology Group NPPES

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

EDWARD HEMATOLOGY ONCOLOGY GROUP (NPI 1811012255) is a healthcare organization registered as a hematology & oncology in Naperville, Illinois and active in the NPI registry since March 2007. The organization lists William G. Kottman, President, as its authorized official.

NPPES Registry Identity

NPI1811012255
Entity TypeOrganization
Primary Taxonomy207RH0003X
Legal Business NameEDWARD HEALTH VENTURES
Location Address120 SPALDING DRIVE, SUITE 111Naperville, IL 60540
Mailing Address27555 Diehl Rd.Warrenville, IL 60555 · (630) 646-3950 · Fax (630) 548-6832
Fax(630) 646-6071
Organization SubpartNo
Authorized OfficialWilliam G. KottmanPresident · (630) 646-3950
Enumeration DateMarch 21, 2007
Last NPPES UpdateMarch 30, 2009
✔ NPI 1811012255 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
120 SPALDING DRIVE, Naperville, IL 60540

Other Names 1

Other NameEdward Hematology Oncology Group

Other Identifiers 3

Other2221474IL · Bcbs
Medicare PINCC2969IL
Medicare PIN399180IL

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)

Edward Hematology Oncology Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

559

Medicare enrollment records show 559 clinicians reassign Medicare billing to Edward Hematology Oncology Group, which bills Medicare for the services they deliver. Of these, 65 practice at this address and 306 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 37

Nurse Practitioner190
Family Practice75
Internal Medicine45
Clinical Social Worker29
Psychiatry23
Neurology21
Pulmonary Disease20
Hospitalist19
29 other specialties137

Nearest to this location (20)

See all 559
Hematology/Oncology
NPI 1043297971
120 SPALDING DR SUITE 111
Naperville, IL 60540
(630) 527-3788
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1245434851
120 SPALDING DR STE 111
Naperville, IL 60540
(630) 646-2273
✔ PECOS✔ Accepts MedicareSame address
Critical Care (Intensivists)
NPI 1548426745
120 SPALDING DR STE 308
Naperville, IL 60540
(630) 527-7730
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1144481946
120 SPALDING DR STE 308
Naperville, IL 60540
(630) 527-7730
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1184949216
120 SPALDING DR
Naperville, IL 60540
(630) 369-7700
✔ PECOS✔ Accepts MedicareSame address
Pain Management
NPI 1790985349
120 SPALDING DR STE 308
Naperville, IL 60540
(630) 527-7730
✔ PECOS✔ Accepts MedicareSame address
Hematology/Oncology
NPI 1740228857
120 SPALDING DR STE 111
Naperville, IL 60540
(630) 646-2273
✔ PECOS✔ Accepts MedicareSame address
Neurosurgery
NPI 1275738023
120 SPALDING DR SUITE 207
Naperville, IL 60540
(630) 527-2700
✔ PECOS✔ Accepts MedicareSame address
Neurosurgery
NPI 1538555081
120 SPALDING DR STE 308
Naperville, IL 60540
(630) 527-7730
✔ PECOS✔ Accepts MedicareSame address
Nephrology
NPI 1760562474
120 SPALDING DR SUITE 410
Naperville, IL 60540
(630) 369-0780
✔ PECOSSame address
Internal Medicine
NPI 1174728430
120 SPALDING DR STE 303
Naperville, IL 60540
(630) 527-5576
✔ PECOS✔ Accepts MedicareSame address
Surgical Oncology
NPI 1245689603
120 SPALDING DR STE 205
Naperville, IL 60540
(630) 646-6020
✔ PECOS✔ Accepts MedicareSame address
Neurology
NPI 1720377328
120 SPALDING DR SUITE 101
Naperville, IL 60540
(630) 527-7730
✔ PECOS✔ Accepts MedicareSame address
Neurology
NPI 1366647232
120 SPALDING DR
Naperville, IL 60540
(630) 527-7730
✔ PECOS✔ Accepts MedicareSame address
Nephrology
NPI 1972759298
120 SPALDING DR STE 410 NEPHROLOGY ASSOCIATES OF NORTHERN ILLINOIS
Naperville, IL 60540
(630) 369-0780
✔ PECOSSame address
Plastic and Reconstructive Surgery
NPI 1790966844
120 SPALDING DR STE 207
Naperville, IL 60540
(630) 646-6020
✔ PECOS✔ Accepts MedicareSame address
Surgical Oncology
NPI 1306847702
120 SPALDING DR STE 205
Naperville, IL 60540
(630) 646-6020
✔ PECOS✔ Accepts MedicareSame address
Diagnostic Radiology
NPI 1023041720
120 SPALDING DR STE 308
Naperville, IL 60540
(312) 695-9797
✔ PECOS✔ Accepts MedicareSame address
Endocrinology
NPI 1750623849
120 SPALDING DR STE 307
Naperville, IL 60540
(630) 646-7250
✔ PECOS✔ Accepts MedicareSame address
Pulmonary Disease
NPI 1740208180
100 SPALDING DR
Naperville, IL 60540
(630) 355-8776
✔ PECOS✔ Accepts MedicareSame address
See all 559 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 Edward Health Ventures's NPI number?

The NPI number for Edward Health Ventures is 1811012255. It was assigned to this organization in the NPPES registry on March 21, 2007. The provider is also known as Edward Hematology Oncology Group.

Where is Edward Health Ventures located?

Edward Health Ventures is located at 120 Spalding Drive Suite 111, Naperville, IL 60540. The listed phone number is (630) 527-3788.

What is Edward Health Ventures's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Edward Health Ventures enrolled in Medicare?

Yes. Edward Health Ventures is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Edward Health Ventures?

According to the CMS Revalidation Reassignment List (October 2026 release), 559 clinicians in 37 Medicare specialties reassign their Medicare billing to Edward Health Ventures. 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 Nurse Practitioner (190), Family Practice (75) and Internal Medicine (45). Of these, 65 practice at this address and 306 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Edward Health Ventures was last updated on March 30, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.