HORIZON ADULT MEDICINE
NPI 1689004897
Internal Medicine in Western Springs, IL

Active since November 25, 2013
915 55TH ST, SUITE 200, WESTERN SPRINGS, IL 60558(708) 447-1177(708) 447-9235 Get Directions Write a Review

NPPES record last updated: June 14, 2017. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Horizon Adult Medicine NPPES

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

HORIZON ADULT MEDICINE (NPI 1689004897) is a healthcare organization registered as an internal medicine in Western Springs, Illinois and active in the NPI registry since November 2013. The organization lists Ruby Mann, Director, as its authorized official.

NPPES Registry Identity

NPI1689004897
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameADVENTIST HEALTH PARTNERS, INC
Location Address915 55TH ST, SUITE 200Western Springs, IL 60558-2218
Mailing Address915 55th St, Suite 200Western Springs, IL 60558-2218 · (708) 447-1177 · Fax (708) 447-9235
Fax(708) 447-9235
Organization SubpartNo
Authorized OfficialRuby MannDirector · (630) 856-6884
Enumeration DateNovember 25, 2013
Last NPPES UpdateJune 14, 2017
✔ NPI 1689004897 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.
915 55TH ST, Western Springs, IL 60558

Other Names 1

Doing Business AsHorizon Adult Medicine

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

Horizon Adult Medicine is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

378

Medicare enrollment records show 378 clinicians reassign Medicare billing to Horizon Adult Medicine, which bills Medicare for the services they deliver. Of these, 167 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 40

Family Practice81
Nurse Practitioner53
Obstetrics/Gynecology30
Anesthesiology22
General Surgery17
Interventional Cardiology17
Cardiovascular Disease (Cardiology)16
Gastroenterology15
32 other specialties127

Nearest to this location (20)

See all 378
Obstetrics/Gynecology
NPI 1649384256
5201 WILLOW SPRINGS RD STE 120
La Grange Highlands, IL 60525
(708) 245-6097
✔ PECOS✔ Accepts Medicare0.8 mi
Family Practice
NPI 1306322664
5201 WILLOW SPRINGS RD STE 160
La Grange Highlands, IL 60525
(708) 354-0920
✔ PECOS✔ Accepts Medicare0.8 mi
Nurse Practitioner
NPI 1548706708
5201 WILLOW SPRINGS RD STE 150
La Grange Highlands, IL 60525
(630) 789-3422
✔ PECOS✔ Accepts Medicare0.8 mi
Obstetrics/Gynecology
NPI 1275618985
5201 WILLOW SPRINGS RD SUITE 120
La Grange Highlands, IL 60525
(708) 579-0974
✔ PECOS✔ Accepts Medicare0.8 mi
General Surgery
NPI 1326057969
5201 WILLOW SPRINGS RD SUITE #290
La Grange Highlands, IL 60525
(708) 579-0018
✔ PECOS✔ Accepts Medicare0.8 mi
Nurse Practitioner
NPI 1508374505
5201 WILLOW SPRINGS RD STE 290
La Grange Highlands, IL 60525
(708) 579-0018
✔ PECOS✔ Accepts Medicare0.8 mi
Internal Medicine
NPI 1982847026
5201 WILLOW SPRINGS RD STE 160
La Grange Highlands, IL 60525
(708) 245-8120
✔ PECOS✔ Accepts Medicare0.8 mi
General Surgery
NPI 1669420113
5201 WILLOW SPRINGS RD SUITE 290
La Grange Highlands, IL 60525
(708) 579-0018
✔ PECOS✔ Accepts Medicare0.8 mi
General Surgery
NPI 1013477975
5201 WILLOW SPRINGS RD
La Grange Highlands, IL 60525
(630) 226-0664
✔ PECOS✔ Accepts Medicare0.8 mi
Nurse Practitioner
NPI 1588957013
5101 WILLOW SPRINGS RD
La Grange, IL 60525
(708) 245-4073
✔ PECOS✔ Accepts Medicare0.8 mi
Nurse Practitioner
NPI 1013717834
5101 WILLOW SPRINGS RD
La Grange, IL 60525
(708) 245-9000
✔ PECOS✔ Accepts Medicare0.8 mi
Nurse Practitioner
NPI 1619723053
5101 WILLOW SPRINGS RD
La Grange, IL 60525
(708) 245-6018
✔ PECOS0.8 mi
Nurse Practitioner
NPI 1982183711
5101 WILLOW SPRINGS RD
La Grange, IL 60525
(708) 245-6589
✔ PECOS0.9 mi
Family Practice
NPI 1861096901
1325 COMMUNITY MEMORIAL DR
La Grange, IL 60525
(708) 245-8900
✔ PECOS✔ Accepts Medicare0.9 mi
Family Practice
NPI 1659014488
1325 COMMUNITY MEMORIAL DR
La Grange, IL 60525
(708) 245-8900
✔ PECOS✔ Accepts Medicare0.9 mi
Family Practice
NPI 1275558629
1415 W 47TH ST
La Grange, IL 60525
(708) 579-9375
✔ PECOS✔ Accepts Medicare1.2 mi
General Surgery
NPI 1982127114
1 SALT CREEK LN STE 100
Hinsdale, IL 60521
(630) 286-5570
✔ PECOS✔ Accepts Medicare1.7 mi
Nurse Practitioner
NPI 1548646243
109 SYMONDS DR #578
Hinsdale, IL 60521
(630) 856-6782
✔ PECOS✔ Accepts Medicare1.7 mi
Obstetrics/Gynecology
NPI 1891770988
120 N OAK ST DEPT OF MATERNAL FETAL MEDICINE
Hinsdale, IL 60521
(630) 856-2217
✔ PECOS✔ Accepts Medicare2.3 mi
Certified Nurse Midwife (CNM)
NPI 1649953381
120 N OAK ST
Hinsdale, IL 60521
(630) 856-2050
✔ PECOS2.3 mi
See all 378 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 Adventist Health Partners, Inc's NPI number?

The NPI number for Adventist Health Partners, Inc is 1689004897. It was assigned to this organization in the NPPES registry on November 25, 2013. The provider is doing business as Horizon Adult Medicine.

Where is Adventist Health Partners, Inc located?

Adventist Health Partners, Inc is located at 915 55th St Suite 200, Western Springs, IL 60558. The listed phone number is (708) 447-1177.

What is Adventist Health Partners, Inc's specialty?

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

Is Adventist Health Partners, Inc enrolled in Medicare?

Yes. Adventist Health Partners, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Adventist Health Partners, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 378 clinicians in 40 Medicare specialties reassign their Medicare billing to Adventist Health Partners, Inc. 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 Family Practice (81), Nurse Practitioner (53) and Obstetrics/Gynecology (30). Of these, 167 practice 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 Adventist Health Partners, Inc was last updated on June 14, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.