Erica Lynn Deenihan, FNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

71009656A Issued in IN

Practice address

1001 Calumet Ave
Dyer, IN 46311-1596

Phone

(219) 924-8178

NPI assigned

Sep 30, 2019

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Electronic endpoints 1

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: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Northwest Cancer Centers PCGroup PAC ID 4587553474, 26 clinicians

Clarksville Physician Services PCGroup PAC ID 3476937756, 31 clinicians

Community Care Network IncGroup PAC ID 3678737012, 378 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Catherine Hospital Inc Hospital, East Chicago, IN, CCN 150008
• St Mary Medical Center Inc Hospital, Hobart, IN, CCN 150034
• Community Hospital Hospital, Munster, IN, CCN 150125
• Franciscan Health Crown Point Hospital, Crown Point, IN, CCN 150126
• Franciscan Health Michigan City Hospital, Michigan City, IN, CCN 150015
• Powers Health Rehabilitation Center Inpatient rehabilitation facility, Crown Point, IN, CCN 153045

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: erica.deenihan@nwoncologypc.ikm.direct-ci.com

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.

• Clarksville Physician Services PC

  • Internal Medicine Physician
  • Corydon, IN
  • NPI 1811629546

  Hospitalist

  Medicare reassignment Care Compare group NPD
• Community Care Network Inc

  dba Powers Health Medical Group

  • Family Medicine Physician
  • Saint John, IN
  • NPI 1457610487

  Nurse Practitioner

  Medicare reassignment Care Compare group NPD
• Northwest Cancer Centers, PC

  • Internal Medicine Physician
  • Dyer, IN
  • NPI 1578527826
  Medicare reassignment Care Compare group NPD
• Clarksville Emergency Group, PC

  • Emergency Medicine Physician
  • Corydon, IN
  • NPI 1023487154

  Nurse Practitioner

  Medicare reassignment NPD
• St Catherine Hospital Inc

  • General Acute Care Hospital
  • East Chicago, IN
  • NPI 1396847596
  Medicare reassignment NPD
• St. Catherine Hospital Inc.

  dba St.Catherine Hospital Outpatient Pharmacy

  • Community/Retail Pharmacy
  • East Chicago, IN
  • NPI 1568806057
  NPD

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

• Community Stroke and Rehabilitation Center Inc

  dba Powers Health Rehabilitation Center

  • Rehabilitation Hospital
  • Crown Point, IN
  • NPI 1801301437

  Inpatient rehabilitation facility

  Care Compare affiliation
• Franciscan Health Crown Point

  • General Acute Care Hospital
  • Crown Point, IN
  • NPI 1336205798
  Care Compare affiliation
• Franciscan Health Michigan City

  dba Franciscan Health Michigan City at La Porte

  • General Acute Care Hospital
  • La Porte, IN
  • NPI 1679336747
  Care Compare affiliation
• Franciscan Health Michigan City

  • General Acute Care Hospital
  • Michigan City, IN
  • NPI 1710051941
  Care Compare affiliation
• Munster Medical Research Foundation Inc

  dba Community Hospital

  • General Acute Care Hospital
  • Munster, IN
  • NPI 1003918210
  Care Compare affiliation
• St Catherine Hospital Inc

  • General Acute Care Hospital
  • East Chicago, IN
  • NPI 1689776882
  Care Compare affiliation
• St Mary Medical Center Inc

  • General Acute Care Hospital
  • Hobart, IN
  • NPI 1558463745
  Care Compare affiliation
• St Mary Medical Center Inc

  dba St Mary Wound Clinic

  • General Acute Care Hospital
  • Hobart, IN
  • NPI 1962504175
  Care Compare affiliation

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

{
    "created_epoch": "1569801600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783382400000",
    "number": "1861033060",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1001 CALUMET AVE",
            "city": "DYER",
            "state": "IN",
            "postal_code": "463111596",
            "telephone_number": "219-924-8178"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1001 CALUMET AVE",
            "city": "DYER",
            "state": "IN",
            "postal_code": "463111596",
            "telephone_number": "219-924-8178"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "701 Superior Ave",
            "address_purpose": "LOCATION",
            "city": "Munster",
            "state": "IN",
            "postal_code": "463214037",
            "country_code": "US",
            "telephone_number": "219-922-4200",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "24 Joliet St",
            "address_purpose": "LOCATION",
            "city": "Dyer",
            "state": "IN",
            "postal_code": "463111705",
            "country_code": "US",
            "telephone_number": "219-865-2141",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "12750 Saint Francis Dr",
            "address_purpose": "LOCATION",
            "city": "Crown Point",
            "state": "IN",
            "postal_code": "463070264",
            "country_code": "US",
            "telephone_number": "219-852-1524",
            "fax_number": "219-933-2288",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "5454 Hohman Ave",
            "address_purpose": "LOCATION",
            "city": "Hammond",
            "state": "IN",
            "postal_code": "463201931",
            "country_code": "US",
            "telephone_number": "219-932-2300",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4321 Fir St",
            "address_purpose": "LOCATION",
            "city": "East Chicago",
            "state": "IN",
            "postal_code": "463123049",
            "country_code": "US",
            "telephone_number": "219-392-7329",
            "fax_number": "219-703-6883",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1201 S Main St",
            "address_purpose": "LOCATION",
            "city": "Crown Point",
            "state": "IN",
            "postal_code": "463078481",
            "country_code": "US",
            "telephone_number": "219-738-2100",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DEENIHAN",
        "first_name": "ERICA",
        "middle_name": "LYNN",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-09-30",
        "last_updated": "2026-07-07",
        "certification_date": "2026-07-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "IN",
            "license": "71009656A",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "IN",
            "license": "71009656A",
            "primary": true
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "IN",
            "license": "2019052720",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "erica.deenihan@nwoncologypc.ikm.direct-ci.com",
            "affiliation": "N",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "address_1": "1001 Calumet Ave",
            "city": "Dyer",
            "state": "IN",
            "country_code": "US",
            "postal_code": "463111596",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

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• Dental 360 Dyer LLC
• Dental Cure of Dyer
• Dermio Dermatology, LLC

• Family Nurse Practitioner in Dyer, IN
• Providers in Dyer, IN by specialty
• Family Nurse Practitioner in Indiana

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 7, 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.