Joanna L Zygmont, PSY.D.

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

24120 Issued in CA

Practice address

400 Estudillo Ave Ste 200
San Leandro, CA 94577-4900

Phone

(510) 386-3632

NPI assigned

Nov 8, 2006

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other names 1

• Dr. Joanna L Acentares Former name

Medicare fee-for-service enrollment

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Psychologist

Education

Other, 2010

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

Hospital & facility affiliations

• Highland Hospital Hospital, Oakland, CA, CCN 050320

Medicare enrollment (NPD)

Enrolled

Practice roles

Locations

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

• Alameda Health System

  • Surgery Physician
  • Oakland, CA
  • NPI 1740332931
  Medicare reassignment NPD
• Permanente Medical Group Inc

  • Internal Medicine Physician
  • Santa Clara, CA
  • NPI 1073606299
  Medicare reassignment NPD
• Health and Wellness Psychology, Inc

  • Clinical Psychologist
  • San Leandro, CA
  • NPI 1083384291
  NPD Authorized official
• Alameda Health System

  • Federally Qualified Health Center (FQHC)
  • Newark, CA
  • NPI 1497956288
  NPD
• Alameda Health System

  • Federally Qualified Health Center (FQHC)
  • Oakland, CA
  • NPI 1932300738
  NPD
• Permanente Medical Group Inc

  • Internal Medicine Physician
  • Stockton, CA
  • NPI 1548343510
  NPD
• Permanente Medical Group, Inc

  • Clinical Medical Laboratory
  • San Jose, CA
  • NPI 1497971584
  NPD

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Alameda Health System

  • General Acute Care Hospital
  • Oakland, CA
  • NPI 1083815872
  Care Compare affiliation
• Alameda Health System

  • General Acute Care Hospital
  • Oakland, CA
  • NPI 1396764353
  Care Compare affiliation
• Alameda Health System

  • General Acute Care Hospital
  • Oakland, CA
  • NPI 1700087590
  Care Compare affiliation

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

{
    "created_epoch": "1162944000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783987200000",
    "number": "1578633491",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "400 ESTUDILLO AVE STE 200",
            "city": "SAN LEANDRO",
            "state": "CA",
            "postal_code": "945774900",
            "telephone_number": "510-281-0727"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 ESTUDILLO AVE STE 200",
            "city": "SAN LEANDRO",
            "state": "CA",
            "postal_code": "945774900",
            "telephone_number": "510-386-3632"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ZYGMONT",
        "first_name": "JOANNA",
        "middle_name": "L",
        "name_prefix": "Dr.",
        "credential": "PSY.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-11-08",
        "last_updated": "2026-07-14",
        "certification_date": "2026-07-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "CA",
            "license": "24120",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "JOANNA",
            "last_name": "ACENTARES",
            "middle_name": "L",
            "prefix": "DR.",
            "credential": "PSY.D.",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Hannah Zivalic
• Marielle Zumbado
• Eugenia Shevchenko Zumwalt, D.O.
• Sandra Isabel Zuniga
• Mason Zupan
• Daniela Zyskowski

• Clinical Psychologist in San Leandro, CA
• Providers in San Leandro, CA by specialty
• Clinical Psychologist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.