Christopher Adam Conn, MD – Surgery Physician

Key facts

NPI: 1164440830
Entity type: Individual (NPI type 1)
Primary specialty: Surgery Physician 208600000X
License: 01067601A (IN)
Practice address: 1104 E Grace St
Rensselaer, IN 47978-3211
Phone: (219) 866-2098
Fax: (219) 866-9891
NPI assigned: Jul 18, 2006
Sex: Male
Sole proprietor: No

Organizations & group practices 14

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Franciscan Physician Network Family Medicine Physician · Indianapolis, IN · NPI 1225327984

Medicare reassignment Care Compare group NPD IN
St. Vincent Williamsport Hospital Critical Access Hospital · Williamsport, IN · NPI 1518913565

Medicare reassignment Care Compare group NPD IN
Crown Point Vein Clinic LLC Vascular Surgery Physician · Northbrook, IL · NPI 1770024721

Medicare reassignment Care Compare group NPD IN
Arnett Clinic, LLC Internal Medicine Physician · Lafayette, IN · NPI 1164490843

Medicare reassignment NPD IN · SURGERY
Indiana Phlebology PC Surgery Physician · Merrillville, IN · NPI 1962508853

Medicare reassignment NPD IN · SURGERY
Iu Health Medical Group, LLC General Practice Physician · Indianapolis, IN · NPI 1326893777

Medicare reassignment NPD IN
USA Vascular Center of Indiana LLC Vascular Surgery Physician · Indianapolis, IN · NPI 1326863432

Medicare reassignment NPD IN
St. Vincent Williamsport Hospital Critical Access Hospital Clinic/Center · Williamsport, IN · NPI 1841233061

Care Compare group NPD
Franciscan Physician Network Podiatrist · Munster, IN · NPI 1093188229

Care Compare group
St. Vincent Williamsport Hospital Critical Access Hospital · Williamsport, IN · NPI 1427128404

Care Compare group
St. Vincent Williamsport Hospital Critical Access Hospital Clinic/Center · Veedersburg, IN · NPI 1730136458

Care Compare group
Arnett Clinic, LLC Durable Medical Equipment & Medical Supplies · Lafayette, IN · NPI 1699839563

NPD
Arnett Clinic, LLC Clinical Medical Laboratory · Lafayette, IN · NPI 1881655090

NPD
Franciscan Physician Network Clinic/Center · Lafayette, IN · NPI 1992543250

NPD

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

Franciscan Health Rensselaer, Inc. Critical Access Hospital · Rensselaer, IN · NPI 1932589173

Care Compare affiliation Hospital
St. Vincent Williamsport Hospital Critical Access Hospital · Williamsport, IN · NPI 1518913565

Care Compare affiliation Hospital

Medicare Care Compare profile

Specialty: General Surgery
Education: University of Louisville School of Medicine, 2001
Medicare assignment: May accept Medicare assignment
Group practices: Franciscan Physician Network (1,152 clinicians)
Crown Point Vein Clinic LLC (2 clinicians)
St Vincent Williamsport Hospital (16 clinicians)

Practice addresses (Care Compare)

1104 E Grace St
Renssalaer, IN 47978-3211
Phone (219) 866-2010

371 E 84TH Dr
Suite 371C
Merrillville, IN 46410-6484
Phone (219) 736-7165

412 N Monroe St
Williamsport, IN 47993-1049
Phone (765) 762-9000

Hospital & facility affiliations

Franciscan Health Rensselaer, Inc Hospital · Rensselaer, IN · CCN 151324
Ascension St Vincent Williamsport Hospital · Williamsport, IN · CCN 151307

Procedures performed for Medicare patients

Procedure	Number of procedures
Colonoscopy	1-10
Upper gastrointestinal (GI) endoscopy for acid reflux	1-10
Varicose vein removal	160
Removal of tissue	1-10

Medicare participation

Medicare fee-for-service enrollment: Enrolled in IN
Eligible to order & refer: Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: Yes · Hospice: Yes

Medicare enrollment records

Enrollment ID	State	Provider type	PAC ID	Details
I20100519000461	IN	Practitioner - General Surgery	5294736906	Reassigns benefits to 7 organizations

National Provider Directory

Medicare enrollment (NPD): Yes
Credentials: Doctor of Medicine

State licenses

License	State	Type	Specialty
01067601A	IN	MD	Surgery Physician

Practice roles

Organization	Specialty	Status	New patients
USA Vascular Center of Indiana LLC		Current since Feb 11, 2025	Accepting new patients
Crown Point Vein Clinic LLC		Current since Apr 25, 2023	Accepting new patients
Franciscan Physician Network		Current since Nov 11, 2025	Accepting new patients
Arnett Clinic, LLC		Current	Accepting new patients
St. Vincent Williamsport Hospital		Current since Aug 19, 2025	Accepting new patients
Franciscan Physician Network		Current since Nov 11, 2025	Accepting new patients
St. Vincent Williamsport Hospital		Current since Aug 19, 2025	Accepting new patients
Arnett Clinic, LLC	Surgery	Current since Dec 1, 2025	Accepting new patients
Indiana Phlebology PC	Surgery	Current since Nov 29, 2024	Accepting new patients
Arnett Clinic, LLC		Current since Dec 1, 2025	Accepting new patients
Iu Health Medical Group, LLC		Current since Jan 1, 2026	Accepting new patients

Locations

8016 Reliable Pkwy
Chicago, IL 60686

1704 Lafayette Rd
Ste 4
Crawfordsvlle, IN 47933
Phone (765) 364-3120

425 W South St
#110
Indianapolis, IN 46225
Phone (317) 643-7784

425 W South St
Ste 110A
Indianapolis, IN 46225

1701 Senate Blvd
Indianapolis, IN 46202
Phone (317) 612-2754

5165 McCarty Ln
Rm 28A
Lafayette, IN 47905

2600 Greenbush St
Lafayette, IN 47904

5165 McCarty Ln
Lafayette, IN 47905
Phone (800) 899-8448

371 E 84th Dr
Ste 371C
Merrillville, IN 46410
Phone (219) 736-7165

371 E 84th Dr
Ste 371
Merrillville, IN 46410
Phone (219) 736-7165

1104 E Grace St
Rensselaer, IN 47978
Phone (219) 866-2026

150 W Washington St
Shelbyville, IN 46176
Phone (317) 392-3211

85 E US Highway 6
Ste 240
Valparaiso, IN 46383
Phone (219) 983-6240

412 N Monroe St
Williamsport, IN 47993
Phone (765) 762-2496

Interoperability endpoints

Direct secure messaging: christopher.conn.1@7598.direct.athenahealth.com
Direct secure messaging: cconn@direct.iuhealth.org
Direct secure messaging: christopheradam.conn@laportehosp.cernerdirect.com

Specialties & licenses

Specialty (taxonomy)	Code	License	State	Primary
Surgery Physician	208600000X	01067601A	IN	Yes
Surgery Physician	208600000X	40455	KY

Addresses

Primary practice location

1104 E Grace St
Rensselaer, IN 47978-3211

Mailing address

PO Box 781076
Detroit, MI 48278-1008
Phone (317) 528-4800

Other practice location 1

1007 Lincolnway Rm 1107
LA Porte, IN 46350-3201
Phone (219) 326-2415

Other practice location 2

85 E US Highway 6
Suite 240
Valparaiso, IN 46383-8917
Phone (219) 983-6240

Other practice location 3

412 N Monroe St
Williamsport, IN 47993-1049
Phone (765) 762-4056

Other practice location 4

600 Legacy Plz W
LA Porte, IN 46350-5268
Phone (219) 379-3166

Other practice location 5

5165 McCarty Ln
Lafayette, IN 47905-8764
Phone (765) 448-8000

Electronic endpoints

Type	Endpoint	Use	Affiliation
Direct Messaging Address	CCONN@DIRECT.IUHEALTH.ORG	Direct
Direct Messaging Address	CHRISTOPHERADAM.CONN@laportehosp.cernerdirect.com

Other providers in Rensselaer, IN

All providers in Rensselaer, IN · Surgery Physician in Indiana

Sources for this page

NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Dec 9, 2025. Information in NPPES is self-reported and not verified by CMS.
NUCC Health Care Provider Taxonomy: specialty names.
Medicare Fee-For-Service Public Provider Enrollment (CMS/PECOS): enrollments, PAC IDs and benefit reassignments.
Order and Referring (CMS).
Medicare Care Compare provider data (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.