Individual provider Active NPI

Eric David Knapp, D.O.

  • Surgery Physician
  • Mishawaka, IN
National Provider Identifier
1700090602
Registry record updated May 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
02003840A Issued in IN
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, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on May 21, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20110801000723 IN Practitioner - General Surgery 7315078490 Reassigns benefits to 3 organizations

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

ProcedureNumber of procedures
Colonoscopy1-10
Hernia repair - groin (open)1-10
Hernia repair (minimally invasive)1-10
Upper gastrointestinal (GI) endoscopy for acid reflux1-10

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
02003840AINMDObesity Medicine (Family Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Saint Joseph Regional Medical Center-South Bend Campus, Inc Single Specialty Current Accepting new patients
Saint Joseph Regional Medical Center, Inc. Single Specialty CurrentSince Jul 9, 2019 Accepting new patients
Saint Joseph Regional Medical Center, Inc. Single Specialty CurrentSince Jul 9, 2019 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 CurrentSince Feb 28, 2022 Accepting new patients
Saint Joseph Regional Medical Center- Plymouth Campus Inc CurrentSince Feb 28, 2022 Accepting new patients
Saint Joseph Regional Medical Center-South Bend Campus, Inc. Single Specialty CurrentSince Feb 28, 2022 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

  • Direct secure messaging: 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.

Hospital & facility affiliations 3

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

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

Verify at the official NPI Registry.