What is Christopher Conn's NPI number?

Christopher Conn's National Provider Identifier (NPI) is 1164440830, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Christopher Conn's specialty?

Christopher Conn is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).

Where is Christopher Conn located?

Christopher Conn's practice location on file with NPPES is 1104 E Grace St, Rensselaer, IN 47978-3211.

What is Christopher Conn's phone number?

The practice phone number listed in the NPPES registry for Christopher Conn is (219) 866-2098.

Does Christopher Conn accept Medicare?

Christopher Conn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Christopher Conn's NPI active?

Yes — Christopher Conn's NPI (1164440830) is active in the NPPES registry as of the last update on 2025-12-09.

IndividualActiveAccepts Medicare

Christopher Conn, MD

NPI 1164440830 · Surgery Physician · Rensselaer, IN

Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Christopher Conn, MD is a Surgery Physician provider in Rensselaer, IN (NPI 1164440830).

Provider details

NPI number: 1164440830
Entity type: Individual
Primary specialty: Surgery PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: 01067601A (IN)

Specialties & taxonomies

Surgery PhysicianPrimary208600000XLicense 01067601A (IN)
Allopathic & Osteopathic Physicians
Surgery Physician208600000XLicense 40455 (KY)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(92/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure25% of score
19 yrs in NPPES registry
Profile completeness25% of score
100% of core fields populated
Practice footprint15% of score
6 documented practice locations
Medicare service volume (vs. specialty peers)25% of score
435 Medicare services, 2024 (ranked within specialty)
Open Payments transparency10% of score
Has Open Payments disclosures (2024)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Ultrasound Study of One Arm Or Leg Veins With Compression and Maneuvers93971	112	$103
Injection of Chemical Agent Into Single Incompetent Vein of Leg Using Ultrasound Guidance36465	80	$1,103
Ultrasound Study of Arm Or Leg Veins With Compression and Maneuvers93970	71	$162
Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213	50	$81
Chemical Destruction of First Incompetent Vein of Arm Or Leg Using Imaging Guidance36482	47	$1,406
Ultrasonic Guidance for Needle Placement76942	30

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$2,416 across 2 records (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Practice location

1104 E Grace St

Rensselaer, IN 47978-3211

Phone: (219) 866-2098

Fax: (219) 866-9891

Approximate (ZIP-level) locationGet directions

Mailing address

Po Box 781076

Detroit, MI 48278-1008

Additional practice locations (5)

1007 Lincolnway Rm 1107
La Porte, IN 46350-3201
Phone: (219) 326-2415
Fax: (219) 326-2448
600 Legacy Plz W
La Porte, IN 46350-5268
Phone: (219) 379-3166
Fax: (219) 324-9730
5165 Mccarty Ln
Lafayette, IN 47905-8764
Phone: (765) 448-8000
Fax: (765) 838-4758
85 E US Highway 6
Suite 240
Valparaiso, IN 46383-8917
Phone: (219) 983-6240
Fax: (219) 983-6040
412 N Monroe St
Williamsport, IN 47993-1049
Phone: (765) 762-4056
Fax: (765) 762-4108

Enumerated: 2006-07-18
Last updated: 2025-12-09
Certified: 2025-12-09

Frequently asked questions

What is Christopher Conn's NPI number?: Christopher Conn's National Provider Identifier (NPI) is 1164440830, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Christopher Conn's specialty?: Christopher Conn is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
Where is Christopher Conn located?: Christopher Conn's practice location on file with NPPES is 1104 E Grace St, Rensselaer, IN 47978-3211.
What is Christopher Conn's phone number?: The practice phone number listed in the NPPES registry for Christopher Conn is (219) 866-2098.
Does Christopher Conn accept Medicare?: Christopher Conn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Christopher Conn's NPI active?: Yes — Christopher Conn's NPI (1164440830) is active in the NPPES registry as of the last update on 2025-12-09.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.