Cornerstone Integrative Medicine

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

Legal business name

CORNERSTONE INTEGRATIVE MEDICINE

Practice address

3012 Summit St Ste 2675
Oakland, CA 94609-3480

Phone

(510) 869-6740

Fax

(510) 869-6742

NPI assigned

Aug 1, 2019

Organization subpart

No

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

Authorized official

Name

Amy Li MateckiNPI 1770571077

Title

Ceo Partner, Co-Owner

Phone

(510) 869-6740

Specialties & licenses 2

Addresses

Other identifiers 10

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

Practitioners 1

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

• Amy Li Matecki, MD

  • Internal Medicine Physician
  • Oakland, CA
  • NPI 1770571077
  Medicare reassignment Authorized official

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

{
    "created_epoch": "1564617600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1786492800000",
    "number": "1881249332",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3012 SUMMIT ST STE 2675",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946093480",
            "telephone_number": "510-326-4649"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3012 SUMMIT ST STE 2675",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946093480",
            "telephone_number": "510-869-6740",
            "fax_number": "510-869-6742"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CORNERSTONE INTEGRATIVE MEDICINE",
        "organizational_subpart": "NO",
        "enumeration_date": "2019-08-01",
        "last_updated": "2026-08-12",
        "certification_date": "2026-08-12",
        "status": "A",
        "authorized_official_last_name": "MATECKI",
        "authorized_official_first_name": "AMY",
        "authorized_official_middle_name": "LI",
        "authorized_official_title_or_position": "CEO PARTNER, CO-OWNER",
        "authorized_official_telephone_number": "510-869-6740"
    },
    "taxonomies": [
        {
            "code": "171100000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Acupuncturist",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1346573094",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1790937506",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1932538121",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1831124080",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1861427684",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1770571077",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1245404607",
            "state": "TN"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1558678201",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1003114463",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1295995256",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Daniel M Corey
• Ryan Samuel Schulte Corn
• Esmeralda Cornejo
• John Andrew Cornejo
• Laeesha N Cornejo, MD
• Melissa Cornish
• Gillian Cornwall, RN
• Alenah Marie Corona-Desilva
• Valeria Corona
• Vanesa Martinez Corona

• Internal Medicine Physician in Oakland, CA
• Providers in Oakland, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 12, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.