Active NPI
Eric David Knapp, D.O.
- Surgery Physician
- Mishawaka, IN
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Surgery Physician
- License
- 02003840A
- Practice address
- 611 E Douglas Rd Ste 207
Mishawaka, IN 46545-1465 - Phone
- (574) 335-6850
- Fax
- (574) 335-0849
- NPI assigned
- May 9, 2007
- Last updated
- May 21, 2026
- Sex
- Male
- Sole proprietor
- Yes
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Surgery Physician | 208600000X | 02003840A | IN | Primary |
| Obesity Medicine (Family Medicine) Physician | 207QB0002X | 02003840A | IN |
Addresses
Primary practice location
611 E Douglas Rd Ste 207
Mishawaka, IN 46545-1465
Mailing address
5215 Holy Cross Pkwy
Provider Services-Enrollment
Mishawaka, IN 46545-1469
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IN
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- General Surgery
- Education
- Nova Southeastern College of Osteo Medicine, 2005
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
231 W Day Rd
Saint Joseph Wellness and Weight Management
Mishawaka, IN 46545-1401
Phone (574) 335-4700
5215 Holy Cross Pkwy
Mishawaka, IN 46545-1469
611 E Douglas Rd
Mishawaka, IN 46545-1465
611 E Douglas Rd
309 Infectious Diseases
Mishawaka, IN 46545-1469
Phone (574) 335-6770
616 E 13TH St
Cardiology Winamac
Winamac, IN 46996-1117
Phone (574) 948-5340
Hospital & facility affiliations
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Colonoscopy | 1-10 |
| Hernia repair - groin (open) | 1-10 |
| Hernia repair (minimally invasive) | 1-10 |
| Upper gastrointestinal (GI) endoscopy for acid reflux | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 02003840A | IN | MD | Obesity Medicine (Family Medicine) Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Saint Joseph Regional Medical Center-South Bend Campus, Inc | Single Specialty | Current | Accepting new patients |
| Saint Joseph Regional Medical Center, Inc. | Single Specialty | Current | Accepting new patients |
| Saint Joseph Regional Medical Center, Inc. | Single Specialty | Current | Accepting new patients |
| Saint Joseph Regional Medical Center- Plymouth Campus Inc | Single Specialty | Current | Accepting new patients |
| Saint Joseph Regional Medical Center-South Bend Campus, Inc | Single Specialty | Current | Accepting new patients |
| Saint Joseph Regional Medical Center- Plymouth Campus Inc | Current | Accepting new patients | |
| Saint Joseph Regional Medical Center-South Bend Campus, Inc. | Single Specialty | Current | Accepting new patients |
Locations
231 W Day Rd
Mishawaka, IN 46545
Phone (574) 335-4700
5215 Holy Cross Pkwy
Mishawaka, IN 46545
Phone (574) 335-2443
611 E Douglas Rd
Ste 207
Mishawaka, IN 46545
Phone (574) 335-6450
611 E Douglas Rd
Ste 309
Mishawaka, IN 46545
Phone (574) 335-6232
1915 Lake Ave
Plymouth, IN 46563
Phone (219) 936-3181
510 W Adams St
Ste 150
Plymouth, IN 46563
Phone (574) 335-3987
616 E 13th St
Winamac, IN 46996
Phone (574) 946-2100
Interoperability endpoints
- eknapp1154417@direct.trinity-health.org
Organizations & group practices 7
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
dba Saint Joseph Medical Group
- Pulmonary Disease Physician
- Plymouth, IN
- NPI 1225082878
Single Specialty
-
dba Saint Joseph Foot and Ankle Sports Medicine Institute Plymouth
- Family Medicine Physician
- Plymouth, IN
- NPI 1538585187
Single Specialty
-
dba Saint Joseph Regional Medical Center-South Bend Campus Inc Mobile Med
- Mobile Mammography Clinic/Center
- South Bend, IN
- NPI 1023844693
Single Specialty
-
- Hospitalist Physician
- Plymouth, IN
- NPI 1821402876
-
- Critical Care Medicine (Internal Medicine) Physician
- Mishawaka, IN
- NPI 1699132365
Single Specialty
-
- General Acute Care Hospital
- Mishawaka, IN
- NPI 1841245594
Single Specialty
-
dba Saint Joseph Medical Group
- Family Medicine Physician
- Mishawaka, IN
- NPI 1467406074
Single Specialty
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Plymouth, IN
- NPI 1174571129
-
- General Acute Care Hospital
- Mishawaka, IN
- NPI 1023965795
-
- General Acute Care Hospital
- Mishawaka, IN
- NPI 1841245594
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1178668800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1779321600000",
"number": "1700090602",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "5215 HOLY CROSS PKWY",
"address_2": "PROVIDER SERVICES-ENROLLMENT",
"city": "MISHAWAKA",
"state": "IN",
"postal_code": "465451469"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "611 E DOUGLAS RD STE 207",
"city": "MISHAWAKA",
"state": "IN",
"postal_code": "465451465",
"telephone_number": "574-335-6850",
"fax_number": "574-335-0849"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KNAPP",
"first_name": "ERIC",
"middle_name": "DAVID",
"name_prefix": "Dr.",
"credential": "D.O.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2007-05-09",
"last_updated": "2026-05-21",
"certification_date": "2026-05-21",
"status": "A"
},
"taxonomies": [
{
"code": "208600000X",
"taxonomy_group": "",
"desc": "Surgery",
"state": "IN",
"license": "02003840A",
"primary": true
},
{
"code": "207QB0002X",
"taxonomy_group": "",
"desc": "Family Medicine, Obesity Medicine",
"state": "IN",
"license": "02003840A",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Mishawaka, IN
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 21, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.