Derek Michael Guirand, M.D.

Primary specialty

Preventive Medicine/Occupational Environmental Medicine PhysicianTaxonomy code 2083P0500X

License

MD444344 Issued in PA

Practice address

915 Old Fern Hill Rd Ste 3
West Chester, PA 19380-4269

Phone

(610) 738-2450

NPI assigned

Jul 20, 2009

Last updated

Jun 18, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Turk's Head Health Services, Inc.

  dba The Occupational Health Center

  • Clinic/Center
  • West Chester, PA
  • NPI 1922129204
  NPD (past)

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

{
    "created_epoch": "1248048000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781740800000",
    "number": "1699905034",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "915 OLD FERN HILL RD STE 3",
            "city": "WEST CHESTER",
            "state": "PA",
            "postal_code": "193804269",
            "telephone_number": "267-854-9900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "915 OLD FERN HILL RD STE 3",
            "city": "WEST CHESTER",
            "state": "PA",
            "postal_code": "193804269",
            "telephone_number": "610-738-2450"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "130 S Bryn Mawr Ave",
            "address_purpose": "LOCATION",
            "city": "Bryn Mawr",
            "state": "PA",
            "postal_code": "190103121",
            "country_code": "US",
            "telephone_number": "267-854-9900",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GUIRAND",
        "first_name": "DEREK",
        "middle_name": "MICHAEL",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2009-07-20",
        "last_updated": "2026-06-18",
        "certification_date": "2026-06-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2083P0500X",
            "taxonomy_group": "",
            "desc": "Preventive Medicine, Preventive Medicine/Occupational Environmental Medicine",
            "state": "PA",
            "license": "MD444344",
            "primary": true
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "PA",
            "license": "MD444344",
            "primary": false
        },
        {
            "code": "208D00000X",
            "taxonomy_group": "",
            "desc": "General Practice",
            "state": "PA",
            "license": "MD444344",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nicole Guckin, PMHNP-BC
• Barbara J Guenst, CRNP
• Brad Jason Guenthner, D.M.D.
• Brent Guenthner, DMD
• Angela Guerriero, MT-BC
• Derrian Lee Gulden
• Swapna Gummadi, MD
• Mary Lisa Gunning, MD
• Kathy Guo
• Tamanna Gupta

• Preventive Medicine/Occupational Environmental Medicine Physician in West Chester, PA
• Providers in West Chester, PA by specialty
• Preventive Medicine/Occupational Environmental Medicine Physician in Pennsylvania

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 18, 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.