Geen Inc

Primary specialty

Clinical Genetics (M.D.) PhysicianTaxonomy code 207SG0201X

Legal business name

GEEN INC

Practice address

1209 N Orange St
Wilmington, DE 19801-1120

Phone

(408) 205-5710

NPI assigned

Feb 21, 2026

Organization subpart

No

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

Authorized official

Name

Dr. Ed Esplin, MD, PHD, FACMG, FACP

Title

Founder, Ceo

Phone

(408) 205-5710

Specialties & licenses 1

Addresses

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Edward D. Esplin, MD, PHD

  • Internal Medicine Physician
  • Stanford, CA
  • NPI 1689883308
  NPD

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

{
    "created_epoch": "1771632000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1771632000000",
    "number": "1669326351",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "750 HOLBROOK PL",
            "city": "SUNNYVALE",
            "state": "CA",
            "postal_code": "940871802",
            "telephone_number": "408-205-5710"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1209 N ORANGE ST",
            "city": "WILMINGTON",
            "state": "DE",
            "postal_code": "198011120",
            "telephone_number": "408-205-5710"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "GEEN INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-02-21",
        "last_updated": "2026-02-21",
        "certification_date": "2026-02-21",
        "status": "A",
        "authorized_official_last_name": "ESPLIN",
        "authorized_official_first_name": "ED",
        "authorized_official_title_or_position": "FOUNDER, CEO",
        "authorized_official_telephone_number": "408-205-5710",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD, PHD, FACMG, FACP"
    },
    "taxonomies": [
        {
            "code": "207SG0201X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Medical Genetics, Clinical Genetics (M.D.)",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Yvette Nicholson Gbemudu, M.D., M.A.
• Elaine M. Geary, APRN
• Marina Jean Geary, NP
• Elizabeth Gebbie
• Yomile Gebremariam, PHARMD
• James Geer, PHMNP
• Kathryn Marie Gehret, LPCMH
• Kimberly Hacker Gehrmann
• Tara Geist, CRNP
• Wendy M Geist

• Clinical Genetics (M.D.) Physician in Wilmington, DE
• Providers in Wilmington, DE by specialty
• Clinical Genetics (M.D.) Physician in Delaware

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 21, 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.