Guidestar Eldercare - MN

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

Legal business name

GUIDESTAR ELDERCARE - MN

Practice address

1650 W End Blvd Ste 100
St Louis Park, MN 55416-5369

Phone

(574) 546-1900

Fax

(574) 546-1999

NPI assigned

Jul 29, 2026

Organization subpart

No

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

Authorized official

Name

Steven Posar, MD

Title

Exec.Chairman&Chief Medical Officer

Phone

(574) 546-1900

Specialties & licenses 11

Addresses

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

{
    "created_epoch": "1785283200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1786060800000",
    "number": "1710809769",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 10851",
            "city": "FORT WAYNE",
            "state": "IN",
            "postal_code": "468540851",
            "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": "1650 W END BLVD STE 100",
            "city": "ST LOUIS PARK",
            "state": "MN",
            "postal_code": "554165369",
            "telephone_number": "574-546-1900",
            "fax_number": "574-546-1999"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5430 Boone Ave N",
            "address_purpose": "LOCATION",
            "city": "Minneapolis",
            "state": "MN",
            "postal_code": "554283615",
            "country_code": "US",
            "telephone_number": "574-546-1900",
            "fax_number": "574-546-1999",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "GUIDESTAR ELDERCARE - MN",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-07-29",
        "last_updated": "2026-08-07",
        "certification_date": "2026-08-07",
        "status": "A",
        "authorized_official_last_name": "POSAR",
        "authorized_official_first_name": "STEVEN",
        "authorized_official_title_or_position": "EXEC.CHAIRMAN&CHIEF MEDICAL OFFICER",
        "authorized_official_telephone_number": "574-546-1900",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "103TC0700X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist, Clinical",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Social Worker, Clinical",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "2084N0400X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Nurse Practitioner",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "363LA2200X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Nurse Practitioner, Adult Health",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Nurse Practitioner, Family",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "363LG0600X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Nurse Practitioner, Gerontology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "363LP0808X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lisa Grundtner, MD
• Wei Guan, M.D.
• Joan Guenzel, LICSW, CEAP, MBA
• Judy Guerrero, PSYD LP
• Kay M. Guidarelli, RD, LD
• Tulasi Priya Gummadi, M.D.
• Cooper R Gundry, MD
• Michael Gunter
• Kimberly Ann Gunyou, RD
• Aditi Gupta, MBBS

• Internal Medicine Physician in St Louis Park, MN
• Providers in St Louis Park, MN by specialty
• Internal Medicine Physician in Minnesota

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 7, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.