SPECIALTY PHYSICIANS OF ILLINOIS, LLC
NPI 1124075676
Internal Medicine in Greenwood, IN

Active since May 30, 2006
1040 SIERRA DR STE 400, GREENWOOD, IN 46143(317) 528-4291 Get Directions Write a Review

NPPES record last updated: February 15, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Feb 15, 2023, Jan 31, 2023, Sep 20, 2021 and 1 more (4 updates tracked since 2019).

About Specialty Physicians Of Illinois, Llc NPPES

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

SPECIALTY PHYSICIANS OF ILLINOIS, LLC (NPI 1124075676), doing business as Wellgroup Health Partners, Llc, is a healthcare organization registered as an internal medicine in Greenwood, Indiana and active in the NPI registry since May 2006. The organization maintains a secondary practice location in Olympia Fields and lists Donna Phalen, Director, as its authorized official.

NPPES Registry Identity

NPI1124075676
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameSPECIALTY PHYSICIANS OF ILLINOIS, LLC
Location Address1040 SIERRA DR STE 400Greenwood, IN 46143-7241
Mailing AddressPo Box 781076Detroit, MI 48278-1076 · (317) 528-4800 · Fax (317) 865-1479
Organization SubpartNo
Authorized OfficialDonna PhalenDirector · (219) 554-4548
Enumeration DateMay 30, 2006
Last NPPES UpdateFebruary 15, 20234 updates tracked since enumeration
NPPES CertifiedFebruary 15, 2023
✔ NPI 1124075676 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 15

★ 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.
Also ListedAllergy & ImmunologyTaxonomy 207K00000X
Also ListedDermatologyTaxonomy 207N00000X
Also ListedFamily MedicineTaxonomy 207Q00000X
Also ListedNuclear MedicineTaxonomy 207U00000X
Also ListedObstetrics & GynecologyTaxonomy 207V00000X
Also ListedOphthalmologyTaxonomy 207W00000X
Also ListedOrthopaedic SurgeryTaxonomy 207X00000X
Also ListedOtolaryngologyTaxonomy 207Y00000X
Also ListedPediatricsTaxonomy 208000000X
Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X
Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X
Also ListedRadiology · Diagnostic UltrasoundTaxonomy 2085U0001X
Also ListedSurgeryTaxonomy 208600000X
Also ListedUrologyTaxonomy 208800000X
1040 SIERRA DR STE 400, Greenwood, IN 46143

Other Names 1

Former Legal Business NameWellgroup Health Partners, Llc

Secondary Practice Location 1

Location 13700 W 203rd St, Suite 200Olympia Fields, IL 60461-1180 · Phone (708) 679-2013 · Fax (708) 503-3295

Other Identifiers 1

Other203979IL · Medicare Ptan

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)

Specialty Physicians Of Illinois, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

148

Medicare enrollment records show 148 clinicians reassign Medicare billing to Specialty Physicians Of Illinois, LLC, which bills Medicare for the services they deliver. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 30

Psychiatry26
Nurse Practitioner16
Internal Medicine13
Obstetrics/Gynecology12
Family Practice10
Radiation Oncology9
Nephrology7
Cardiovascular Disease (Cardiology)6
22 other specialties49

Nearest to this location (20)

See all 148
Radiation Oncology
NPI 1528680139
509 W UNIVERSITY AVE
Urbana, IL 61801
(217) 383-3273
✔ PECOS✔ Accepts Medicare118 mi
Internal Medicine
NPI 1568846608
12750 SAINT FRANCIS DR
Crown Point, IN 46307
(219) 852-1524
✔ PECOS✔ Accepts Medicare138 mi
Cardiac Surgery
NPI 1043228158
1710 W. COURT ST.
Kankakee, IL 60901
(815) 936-3200
✔ PECOS✔ Accepts Medicare141 mi
Nurse Practitioner
NPI 1932538683
3500 FRANCISCAN WAY
Michigan City, IN 46360
(219) 852-1524
✔ PECOS✔ Accepts Medicare147 mi
Thoracic Surgery
NPI 1689614828
3500 FRANCISCAN WAY STE 400
Michigan City, IN 46360
(219) 878-8200
✔ PECOS✔ Accepts Medicare147 mi
Cardiovascular Disease (Cardiology)
NPI 1336197573
2150 GETTLER ST STE 400
Dyer, IN 46311
(219) 865-0893
✔ PECOS✔ Accepts Medicare150 mi
Registered Dietitian or Nutrition Professional
NPI 1093916611
761 45TH STREET SUITE 110
Munster, IN 46321
(219) 922-3020
153 mi
Interventional Cardiology
NPI 1902229784
10010 DON S POWERS DR
Munster, IN 46321
(219) 934-4200
✔ PECOS✔ Accepts Medicare153 mi
Nephrology
NPI 1376523647
30 E 15TH ST SUITE 201
Chicago Heights, IL 60411
(312) 654-2736
✔ PECOS✔ Accepts Medicare154 mi
Family Practice
NPI 1619152014
1400 OTTO BLVD
Chicago Heights, IL 60411
(708) 754-7777
✔ PECOS✔ Accepts Medicare154 mi
Plastic and Reconstructive Surgery
NPI 1194727909
7905 CALUMET AVE
Munster, IN 46321
(219) 836-7506
✔ PECOS✔ Accepts Medicare154 mi
Obstetrics/Gynecology
NPI 1417110826
233 W JOE ORR RD
Chicago Heights, IL 60411
(708) 709-7470
✔ PECOS155 mi
General Surgery
NPI 1346357795
3700 W 203RD ST STE 302
Olympia Fields, IL 60461
(708) 679-2120
✔ PECOS✔ Accepts Medicare156 mi
3700 W 203RD ST STE 201
Olympia Fields, IL 60461
(708) 852-2780
✔ PECOS✔ Accepts Medicare156 mi
Pediatric Medicine
NPI 1346263704
3700 W 203RD ST STE 201B
Olympia Fields, IL 60461
(708) 679-2880
✔ PECOS156 mi
Endocrinology
NPI 1992112973
3700 W 203RD ST STE 310
Olympia Fields, IL 60461
(708) 679-2130
✔ PECOS✔ Accepts Medicare156 mi
Gastroenterology
NPI 1477653111
3700 W 203RD ST STE 201
Olympia Fields, IL 60461
(708) 679-2380
✔ PECOS✔ Accepts Medicare156 mi
Hospitalist
NPI 1689289977
3700 W 203RD ST STE 301
Olympia Fields, IL 60461
(708) 679-2850
✔ PECOS✔ Accepts Medicare156 mi
Certified Clinical Nurse Specialist (CNS)
NPI 1649998139
3800 W 203RD ST STE 202
Olympia Fields, IL 60461
(708) 852-2699
✔ PECOS✔ Accepts Medicare157 mi
Pulmonary Disease
NPI 1700986460
20303 CRAWFORD AVE STE 120
Olympia Fields, IL 60461
(708) 983-6060
✔ PECOS✔ Accepts Medicare157 mi
See all 148 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 Specialty Physicians Of Illinois, LLC's NPI number?

The NPI number for Specialty Physicians Of Illinois, LLC is 1124075676. It was assigned to this organization in the NPPES registry on May 30, 2006. The provider was formerly known as Wellgroup Health Partners, LLC.

Where is Specialty Physicians Of Illinois, LLC located?

Specialty Physicians Of Illinois, LLC is located at 1040 Sierra Dr Ste 400, Greenwood, IN 46143. The listed phone number is (317) 528-4291.

What is Specialty Physicians Of Illinois, LLC's specialty?

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

Is Specialty Physicians Of Illinois, LLC enrolled in Medicare?

Yes. Specialty Physicians Of Illinois, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Specialty Physicians Of Illinois, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 148 clinicians in 30 Medicare specialties reassign their Medicare billing to Specialty Physicians Of Illinois, LLC. 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 Psychiatry (26), Nurse Practitioner (16) and Internal Medicine (13). Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Specialty Physicians Of Illinois, LLC was last updated on February 15, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.