O Psychotherapy

Primary specialty

Mental Health CounselorTaxonomy code 101YM0800X

Legal business name

O PSYCHOTHERAPY

Practice address

3871 Howe St
Oakland, CA 94611-5343

Phone

(510) 629-0853

NPI assigned

Dec 22, 2025

Last updated

Dec 22, 2025By 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

Mr. Jonathan N Willett, LMFTNPI 1801102033

Title

Owner

Phone

(510) 629-0853

Specialties & licenses 1

Addresses

Locations

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Jonathan Neal Willett, MA

  • Marriage & Family Therapist
  • Oakland, CA
  • NPI 1801102033

  Mental Health

  NPD Authorized official

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

{
    "created_epoch": "1766361600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1766361600000",
    "number": "1245195197",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3871 HOWE ST",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946115343",
            "telephone_number": "510-629-0853"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3871 HOWE ST",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946115343",
            "telephone_number": "510-629-0853"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "O PSYCHOTHERAPY",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-12-22",
        "last_updated": "2025-12-22",
        "certification_date": "2025-12-22",
        "status": "A",
        "authorized_official_last_name": "WILLETT",
        "authorized_official_first_name": "JONATHAN",
        "authorized_official_middle_name": "N",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "510-629-0853",
        "authorized_official_name_prefix": "Mr.",
        "authorized_official_credential": "LMFT"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Renora S Nyabuti
• Rujeko Nyachoto, M.D.
• Judith B. Nychay, OT
• Kelly Ann Nystrom
• Ifeyinwa A Nzerem, L.C.S.W
• Kimberly O'Berry, L.AC
• Victoria O'Bleness
• Angela J O'Brien, LCSW
• Jessica O'Brien
• Linda O'Brien

• Mental Health Counselor in Oakland, CA
• Providers in Oakland, CA by specialty
• Mental Health Counselor in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 22, 2025; 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.