Corydon Walter Siffring, MD

Primary specialty

Surgical Critical Care PhysicianTaxonomy code 2086S0102X

License

41749 Issued in TN

Practice address

3401 Ludington St
Escanaba, MI 49829-1300

Phone

(906) 786-5707

Fax

(217) 757-6573

NPI assigned

Jul 10, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 9

Addresses

Other identifiers 1

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in TN, PA, IL, GA, AZ, NJ, CT, MI, OK, IN10 enrollments

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 10

Specialty

General Surgery

Education

University of South Alabama College of Medicine, 1986

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Dubois Regional Medical CenterGroup PAC ID 5890689715, 424 clinicians

Acute Care Surgery Medical Group IncGroup PAC ID 7214006816, 205 clinicians

Porter Physician Services LLCGroup PAC ID 1850482407, 96 clinicians

Covenant Medical Group IncGroup PAC ID 2860305463, 363 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Penn Highlands Dubois Hospital, Dubois, PA, CCN 390086
• Fort Loudoun Medical Center Hospital, Lenoir City, TN, CCN 440110
• Northwest Health - Porter Hospital, Valparaiso, IN, CCN 150035
• Roane Medical Center Hospital, Harriman, TN, CCN 440031

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations (25 of 41)

Interoperability endpoints

• Direct secure messaging: corydonsiffring@sfc.allscriptsdirect.net
• Direct secure messaging: corydon.siffring@hca5.eclinicaldirectplus.com
• Direct secure messaging: csiffring2706194@direct.trinity-health.org
• FHIR API: https://fhir4.healow.com/fhir/r4/IHJHBD

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.

• Acute Care Surgery Medical Group, Inc.

  • Surgery Physician
  • Sacramento, CA
  • NPI 1700069549

  GA, MI

  Medicare reassignment Care Compare group NPD
• Covenant Medical Group, Inc.

  • Family Medicine Physician
  • Knoxville, TN
  • NPI 1457302010

  Surgery

  Medicare reassignment Care Compare group NPD
• Dubois Regional Medical Center

  • Surgery Physician
  • Du Bois, PA
  • NPI 1508046814
  Medicare reassignment Care Compare group NPD
• Porter Physician Services LLC

  • Family Medicine Physician
  • Valparaiso, IN
  • NPI 1508075680
  Medicare reassignment Care Compare group NPD
• Covenant Medical Center, Inc.

  • Emergency Medicine Physician
  • Saginaw, MI
  • NPI 1972590412
  Medicare reassignment NPD
• Acute Care Surgery of South Dakota PC

  • Orthopaedic Surgery Physician
  • Rapid City, SD
  • NPI 1730797184

  OK, Surgical Critical Care

  Medicare reassignment NPD
• Hackensack Meridian Health Medical Group - Specialty Care PC

  • Surgical Critical Care Physician
  • Red Bank, NJ
  • NPI 1215989249
  Medicare reassignment NPD
• Hospital Medicine Services of Tennessee PC

  • Hospitalist Physician
  • Lawrenceburg, IN
  • NPI 1528433802

  TN

  Medicare reassignment NPD
• Northeast Medical Group, Inc.

  • Internal Medicine Physician
  • Bridgeport, CT
  • NPI 1043278351

  Surgery

  Medicare reassignment NPD
• Phoebe Physician Group, Inc

  • Clinic/Center
  • Albany, GA
  • NPI 1487899464
  Medicare reassignment NPD
• Sound Physicians Intensivists of Arizona, Inc

  • Internal Medicine Physician
  • Tucson, AZ
  • NPI 1962944702
  Medicare reassignment NPD
• Southern Illinois Medical Services, NFP

  • Internal Medicine Physician
  • Carbondale, IL
  • NPI 1770656837
  Medicare reassignment NPD

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

• Dubois Regional Medical Center

  • Maternal & Fetal Medicine Physician
  • Du Bois, PA
  • NPI 1033213608

  Hospital

  Care Compare affiliation
• Dubois Regional Medical Center

  • Orthopaedic Surgery Physician
  • Du Bois, PA
  • NPI 1083727796

  Hospital

  Care Compare affiliation
• Dubois Regional Medical Center

  • Diagnostic Radiology Physician
  • Du Bois, PA
  • NPI 1093812406

  Hospital

  Care Compare affiliation
• Dubois Regional Medical Center

  • General Acute Care Hospital
  • Du Bois, PA
  • NPI 1144249657
  Care Compare affiliation
• Dubois Regional Medical Center

  • Neurological Surgery Physician
  • Dubois, PA
  • NPI 1184728727

  Hospital

  Care Compare affiliation
• Dubois Regional Medical Center

  • Endocrinology, Diabetes & Metabolism Physician
  • Du Bois, PA
  • NPI 1245341387

  Hospital

  Care Compare affiliation
• Dubois Regional Medical Center

  • Family Medicine Physician
  • Du Bois, PA
  • NPI 1245410554

  Hospital

  Care Compare affiliation
• Dubois Regional Medical Center

  • Neurology Physician
  • Du Bois, PA
  • NPI 1316041973

  Hospital

  Care Compare affiliation
• Dubois Regional Medical Center

  • General Acute Care Hospital
  • Clearfield, PA
  • NPI 1316537228
  Care Compare affiliation
• Dubois Regional Medical Center

  • Psychiatry Physician
  • Clearfield, PA
  • NPI 1326612847

  Hospital

  Care Compare affiliation
• Dubois Regional Medical Center

  • Cardiovascular Disease Physician
  • Punxsutawney, PA
  • NPI 1407941305

  Hospital

  Care Compare affiliation
• Dubois Regional Medical Center

  • Anesthesiology Physician
  • Du Bois, PA
  • NPI 1447357843

  Hospital

  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1152489600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772409600000",
    "number": "1891728887",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "971 DUTTON RD",
            "city": "ROCHESTER HILLS",
            "state": "MI",
            "postal_code": "483062513",
            "telephone_number": "423-863-6938"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3401 LUDINGTON ST",
            "city": "ESCANABA",
            "state": "MI",
            "postal_code": "498291300",
            "telephone_number": "906-786-5707",
            "fax_number": "217-757-6573"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "267 Grant St",
            "address_purpose": "LOCATION",
            "city": "Bridgeport",
            "state": "CT",
            "postal_code": "066102805",
            "country_code": "US",
            "telephone_number": "203-384-3000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "689 Medical Park Dr Ste 101",
            "address_purpose": "LOCATION",
            "city": "Lenoir City",
            "state": "TN",
            "postal_code": "377725796",
            "country_code": "US",
            "telephone_number": "865-271-6580",
            "fax_number": "865-374-1147",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "220 S Park Ave Fl 3",
            "address_purpose": "LOCATION",
            "city": "Herrin",
            "state": "IL",
            "postal_code": "629483602",
            "country_code": "US",
            "telephone_number": "618-942-2002",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "305 W Jackson St Ste 206",
            "address_purpose": "LOCATION",
            "city": "Carbondale",
            "state": "IL",
            "postal_code": "629011474",
            "country_code": "US",
            "telephone_number": "618-457-3006",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "999 N Curtis Rd Ste 415",
            "address_purpose": "LOCATION",
            "city": "Boise",
            "state": "ID",
            "postal_code": "837061334",
            "country_code": "US",
            "telephone_number": "208-302-2600",
            "fax_number": "208-302-2625",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SIFFRING",
        "first_name": "CORYDON",
        "middle_name": "WALTER",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-10",
        "last_updated": "2026-03-02",
        "certification_date": "2026-03-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2086S0127X",
            "taxonomy_group": "",
            "desc": "Surgery, Trauma Surgery",
            "state": "MI",
            "license": "EMC0002596",
            "primary": false
        },
        {
            "code": "2086S0127X",
            "taxonomy_group": "",
            "desc": "Surgery, Trauma Surgery",
            "state": "IL",
            "license": "036144511",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "IL",
            "license": "036144511",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "PA",
            "license": "MD046448L",
            "primary": false
        },
        {
            "code": "2086S0127X",
            "taxonomy_group": "",
            "desc": "Surgery, Trauma Surgery",
            "state": "PA",
            "license": "MD046448L",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "ID",
            "license": "MC-2223",
            "primary": false
        },
        {
            "code": "2086S0102X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Critical Care",
            "state": "PA",
            "license": "MD046448L",
            "primary": false
        },
        {
            "code": "2086S0102X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Critical Care",
            "state": "IL",
            "license": "036144511",
            "primary": false
        },
        {
            "code": "2086S0102X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Critical Care",
            "state": "TN",
            "license": "41749",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "3830576",
            "state": "TN"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "csiffring78397@sih.direct-ci.com",
            "affiliation": "N",
            "address_1": "220 S Park Ave Fl 3",
            "city": "Herrin",
            "state": "IL",
            "country_code": "US",
            "postal_code": "629483602",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "csiffring78397@sih.direct-ci.com",
            "affiliation": "N",
            "address_1": "305 W Jackson St Ste 206",
            "city": "Carbondale",
            "state": "IL",
            "country_code": "US",
            "postal_code": "629011474",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Kelsey Segerstrom
• Ronald J Sherman, D.O.
• Shopko Stores Operating Co LLC
• Shopko Stores Operating Co. LLC
• Shoptikal LLC
• Rebecca Ann Sliva, RN
• Smileselect.Dental PLLC
• Stephen M Smith, M.D.
• Julie Snouwaert
• Sarah Snouwaert

• Surgical Critical Care Physician in Escanaba, MI
• Providers in Escanaba, MI by specialty
• Surgical Critical Care Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 2, 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.

Verify at the official NPI Registry.