Steven L Posar, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

01046045A Issued in IN

Practice address

2100 N Main St Ste 304
Crown Point, IN 46307-1877

Phone

(574) 546-1900

Fax

(574) 546-1999

NPI assigned

Dec 28, 2005

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 3

Medicare fee-for-service enrollment

Enrolled in IN, MI, KY, OH, IL, TX, TN, PA, KS, MO10 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

Internal Medicine

Education

University of Michigan Medical School, 1974

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Guidestar Eldercare - PAGroup PAC ID 7012404023, 6 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

93.06 of 100Reported as group

Quality

80.07

Improvement activities

40

Merit-based Incentive Payment System (MIPS)

Final score

92.91 of 100Reported as group

Quality

79.89

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Guidestar Eldercare - PA

  • Internal Medicine Physician
  • Altoona, PA
  • NPI 1265311021
  Medicare reassignment Care Compare group NPD Authorized official
• Neurology and Pain Management Associates PC

  • Internal Medicine Physician
  • Crown Point, IN
  • NPI 1518900620

  KY, MI

  Medicare reassignment NPD Authorized official
• Guidestar Eldercare - TN, P.C.

  • Internal Medicine Physician
  • Memphis, TN
  • NPI 1023791449
  Medicare reassignment NPD Authorized official
• Guidestar Eldercare Corp - KS

  • Internal Medicine Physician
  • Columbia, MO
  • NPI 1275484099
  Medicare reassignment NPD Authorized official
• Guidestar Eldercare Corp - KS

  • Internal Medicine Physician
  • Overland Park, KS
  • NPI 1356203806
  Medicare reassignment NPD Authorized official
• Guidestar Eldercare Corp -Oh

  • Internal Medicine Physician
  • Columbus, OH
  • NPI 1962023424
  Medicare reassignment NPD Authorized official
• Guidestar Eldercare Neuro-Psychiatric Group - Texas PA

  • Internal Medicine Physician
  • Garland, TX
  • NPI 1588233233
  Medicare reassignment NPD Authorized official
• Neurology and Pain Management Associates, P.C.

  • Internal Medicine Physician
  • Crown Point, IN
  • NPI 1225089469
  NPD (past) Authorized official
• Neurology and Pain Management Associates, P.C.

  • Internal Medicine Physician
  • Crown Point, IN
  • NPI 1588963797
  NPD (past) Authorized official

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

{
    "created_epoch": "1135728000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775520000000",
    "number": "1154308575",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 10299",
            "city": "FORT WAYNE",
            "state": "IN",
            "postal_code": "468510299",
            "telephone_number": "574-546-1900",
            "fax_number": "574-546-1999"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2100 N MAIN ST STE 304",
            "city": "CROWN POINT",
            "state": "IN",
            "postal_code": "463071877",
            "telephone_number": "574-546-1900",
            "fax_number": "574-546-1999"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "311 E Pleasant Valley Blvd",
            "address_purpose": "LOCATION",
            "city": "Altoona",
            "state": "PA",
            "postal_code": "166025512",
            "country_code": "US",
            "telephone_number": "574-546-1900",
            "fax_number": "574-546-1999",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "306 W Main St Ste 512",
            "address_purpose": "LOCATION",
            "city": "Frankfort",
            "state": "KY",
            "postal_code": "406011840",
            "country_code": "US",
            "telephone_number": "574-546-1900",
            "fax_number": "574-546-1999",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "303 N Stadium Blvd Fl 2",
            "address_purpose": "LOCATION",
            "city": "Columbia",
            "state": "MO",
            "postal_code": "652031493",
            "country_code": "US",
            "telephone_number": "574-546-1900",
            "fax_number": "574-546-1999",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "12345 W 95th St Fl 2",
            "address_purpose": "LOCATION",
            "city": "Lenexa",
            "state": "KS",
            "postal_code": "662153853",
            "country_code": "US",
            "telephone_number": "574-546-1900",
            "fax_number": "574-546-1999",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "40600 Ann Arbor Rd E Ste 201",
            "address_purpose": "LOCATION",
            "city": "Plymouth",
            "state": "MI",
            "postal_code": "481704675",
            "country_code": "US",
            "telephone_number": "574-546-1900",
            "fax_number": "574-546-1999",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1821 Walden Office Sq Ste 400",
            "address_purpose": "LOCATION",
            "city": "Schaumburg",
            "state": "IL",
            "postal_code": "601734273",
            "country_code": "US",
            "telephone_number": "574-546-1900",
            "fax_number": "574-546-1999",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "6000 Poplar Ave Ste 250",
            "address_purpose": "LOCATION",
            "city": "Memphis",
            "state": "TN",
            "postal_code": "381193974",
            "country_code": "US",
            "telephone_number": "574-546-1900",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "675 Town Square Blvd Ste 200",
            "address_purpose": "LOCATION",
            "city": "Garland",
            "state": "TX",
            "postal_code": "750402991",
            "country_code": "US",
            "telephone_number": "574-546-1900",
            "fax_number": "574-546-1999",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "21 E State St",
            "address_purpose": "LOCATION",
            "city": "Columbus",
            "state": "OH",
            "postal_code": "432154281",
            "country_code": "US",
            "telephone_number": "574-546-1900",
            "fax_number": "574-546-1999",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "POSAR",
        "first_name": "STEVEN",
        "middle_name": "L",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-28",
        "last_updated": "2026-04-07",
        "certification_date": "2026-04-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "OH",
            "license": "35.138677",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "KS",
            "license": "04-50653",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "KY",
            "license": "52736",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "2025044479",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "4301036005",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IN",
            "license": "01046045A",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "036150622",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "PA",
            "license": "MD488690C",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "TX",
            "license": "T2472",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "STATE LICENSE",
            "identifier": "T2472",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "STATE LICENSE",
            "identifier": "35.138677",
            "state": "OH"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "STATE LICENSE",
            "identifier": "68641",
            "state": "TN"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Popovich Dental Corporation
• Ashley Marie Popovich, NP-C
• James Gabriel Popovich, D.D.S
• Natalie Joan Popovich, D.D.S
• Aaron K Popp, D.C.
• Katherine Joann Powell, MS
• Ram Srinivas Prasad, MD
• Davida Prater
• Precious Hospice of Indiana, LLC
• Precision Pain Specialists, Inc.

• Internal Medicine Physician in Crown Point, IN
• Providers in Crown Point, IN by specialty
• Internal Medicine Physician in Indiana

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