Mai-CHI Marie-Florence Tieu, RN, NP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

NP95002927 Issued in CA

Practice address

1500 Franklin St
San Francisco, CA 94109-4523

Phone

(415) 474-7310

NPI assigned

Sep 10, 2014

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

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

Specialty

Nurse Practitioner

Education

Other, 2015

Medicare assignment

May accept Medicare assignment

Telehealth

Offers telehealth services

Group practices

Felton InstituteGroup PAC ID 7719025550, 14 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner, Registered Nurse

State licenses

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.

• Felton Institute

  • Community/Behavioral Health Agency
  • Alameda, CA
  • NPI 1144551581
  Medicare reassignment Care Compare group NPD
• Felton Institute

  • Community/Behavioral Health Agency
  • Santa Rosa, CA
  • NPI 1083423545
  NPD
• Felton Institute

  • Community/Behavioral Health Agency
  • San Francisco, CA
  • NPI 1750599395
  NPD
• Felton Institute

  • Community/Behavioral Health Agency
  • Alameda, CA
  • NPI 1770921314
  NPD
• Felton Institute

  • Community/Behavioral Health Agency
  • San Mateo, CA
  • NPI 1417222084
  NPD (past)

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

{
    "created_epoch": "1410307200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776384000000",
    "number": "1679974539",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2714 FULTON ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941183923"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1500 FRANKLIN ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941094523",
            "telephone_number": "415-474-7310"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "6221 Geary Blvd Fl 2",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941211834",
            "country_code": "US",
            "telephone_number": "415-386-6600",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TIEU",
        "first_name": "MAI-CHI",
        "middle_name": "MARIE-FLORENCE",
        "name_prefix": "Ms.",
        "credential": "RN, NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-09-10",
        "last_updated": "2026-04-17",
        "certification_date": "2026-04-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "CA",
            "license": "809794",
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "CA",
            "license": "NP95002927",
            "primary": true
        },
        {
            "code": "163W00000X",
            "taxonomy_group": "",
            "desc": "Registered Nurse",
            "state": "CA",
            "license": "809794",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Steven Tierney, LPCC
• Ashley Tierno, LCSW
• Rachel Gwen Tietze, MS, BCBA
• Christine W Tieu, PHARM.D.
• Julie Tieu, PHARMD
• Thong Tieu
• Tiffany H Nguyen, Inc, DDS
• Tiffany Lord Nutrition LLC
• Tiffany RCH Inc
• Carol Denise Tiggs, RNP

• Nurse Practitioner in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Nurse Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 17, 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.