Reserve Professional Services Group

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

Legal business name

RESERVE PROFESSIONAL SERVICES GROUP

Practice address

4030 Gill Ave
Hampstead, MD 21074-2213

Phone

(443) 777-0925

NPI assigned

Oct 29, 2026

Last updated

Nov 2, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Michael Griesser

Title

Owner/Ceo

Phone

(443) 890-4309

Specialties & licenses 2

Addresses

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

{
    "created_epoch": "1793232000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1793577600000",
    "number": "1801794847",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "942 MAGNOLIA BLOSSOM CT",
            "city": "SYKESVILLE",
            "state": "MD",
            "postal_code": "217847688"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4030 GILL AVE",
            "city": "HAMPSTEAD",
            "state": "MD",
            "postal_code": "210742213",
            "telephone_number": "443-777-0925"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "RESERVE PROFESSIONAL SERVICES GROUP",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-10-29",
        "last_updated": "2026-11-02",
        "certification_date": "2026-11-02",
        "status": "A",
        "authorized_official_last_name": "GRIESSER",
        "authorized_official_first_name": "MICHAEL",
        "authorized_official_title_or_position": "OWNER/CEO",
        "authorized_official_telephone_number": "443-890-4309"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "101YM0800X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Counselor, Mental Health",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.