Nicholas Scott Rieken, FNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

95022293 Issued in CA

Practice address

33255 9TH St.
Union City, CA 94587

Phone

(818) 378-2675

NPI assigned

Nov 9, 2022

Sex

Male

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

Enrolled in CA

Eligible to order & refer

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

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Practice roles

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.

• Tiburcio Vasquez Health Center, Inc.

  • Federally Qualified Health Center (FQHC)
  • Union City, CA
  • NPI 1497805790
  NPD (past)
• Tiburcio Vasquez Health Center, Inc.

  • Federally Qualified Health Center (FQHC)
  • Union City, CA
  • NPI 1851389696
  NPD (past)

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

{
    "created_epoch": "1667952000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777248000000",
    "number": "1306554274",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "33255 9TH ST",
            "city": "UNION CITY",
            "state": "CA",
            "postal_code": "945872137",
            "telephone_number": "510-471-5880"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "33255 9TH ST.",
            "city": "UNION CITY",
            "state": "CA",
            "postal_code": "94587",
            "telephone_number": "818-378-2675"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1800 H St Rm 80",
            "address_purpose": "LOCATION",
            "city": "Union City",
            "state": "CA",
            "postal_code": "945873321",
            "country_code": "US",
            "telephone_number": "510-471-5880",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "RIEKEN",
        "first_name": "NICHOLAS",
        "middle_name": "SCOTT",
        "credential": "FNP",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2022-11-09",
        "last_updated": "2026-04-27",
        "certification_date": "2026-04-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "95022293",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kimberly Reyna Reyna
• Monica Angela Reyna, CMT
• Marissa Reynoso, CRNA
• Janie Rhodes, RN NP
• Ricardo Morales DDS & Olga Morales DDS Inc
• Rina Campbell DMD, Inc
• Hannah Rincon
• Tristan Nathaniel G Rivac
• Thelma Rivera, RN
• RN Elder Care Provider Inc

• Family Nurse Practitioner in Union City, CA
• Providers in Union City, CA by specialty
• Family Nurse Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 27, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.