Petra Maria Sierra, PMHNP-BC

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

License

95034998 Issued in CA

Practice address

3620 Long Beach Blvd Ste C7
Long Beach, CA 90807-6013

Phone

(213) 290-4585

NPI assigned

Sep 20, 2025

Last updated

Sep 20, 2025By the provider in NPPES

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

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not 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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Harmony Mental Health Advance Nursing PC

  • Psychiatric/Mental Health Nurse Practitioner
  • Long Beach, CA
  • NPI 1730990003
  NPD

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

{
    "created_epoch": "1758326400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1758326400000",
    "number": "1922970888",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "21413 DARTMOOR AVE",
            "city": "LAKEWOOD",
            "state": "CA",
            "postal_code": "907152337",
            "telephone_number": "562-708-2012"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3620 LONG BEACH BLVD STE C7",
            "city": "LONG BEACH",
            "state": "CA",
            "postal_code": "908076013",
            "telephone_number": "213-290-4585"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIERRA",
        "first_name": "PETRA",
        "middle_name": "MARIA",
        "credential": "PMHNP-BC",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-09-20",
        "last_updated": "2025-09-20",
        "certification_date": "2025-09-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "CA",
            "license": "95034998",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Vouchmeng Sieng
• Rosa Margarita Sierra Gomez
• Kalie Sierra Lopez
• Desiree Sierra
• Desiree Sierra
• Diana Marle Sifontes
• David Sigala
• Selena Sigala, MS
• Diana Siguenza Lizarde, LCSW
• Lena M Silano

• Psychiatric/Mental Health Nurse Practitioner in Long Beach, CA
• Providers in Long Beach, CA by specialty
• Psychiatric/Mental Health Nurse Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 20, 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.