Thu Anh Lewin, FNP

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

95018271 Issued in CA

Practice address

1580 Valencia St
San Francisco, CA 94110-4423

Phone

(415) 600-5400

Fax

(415) 600-5400

NPI assigned

Sep 24, 2012

Sex

Female

Sole proprietor

No

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

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: tlewin648498@hisp.ehr.sutterhealth.org
• FHIR API: https://fhir-myrecord.cerner.com/r4/d04f75c7-2a62-4686-b520-7bf0635f38f0/

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.

• Sutter Bay Medical Foundation

  dba Palo Alto Medial Foundation

  • Multi-Specialty Clinic/Center
  • Palo Alto, CA
  • NPI 1013950807
  Medicare reassignment NPD
• Sutter Bay Medical Foundation

  dba Palo Alto Medical Foundation

  • Clinical Medical Laboratory
  • Santa Clara, CA
  • NPI 1669287033
  NPD
• Sutter East Bay Medical Foundation

  • Family Medicine Physician
  • Orinda, CA
  • NPI 1871538769
  NPD (past)
• LGH Professional Services LLC

  • Internal Medicine Physician
  • Lowell, MA
  • NPI 1417485541
  NPD (past)
• The Lowell General Hospital

  dba Lowell General Hospital

  • General Acute Care Hospital
  • Lowell, MA
  • NPI 1407804669
  NPD (past)

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

{
    "created_epoch": "1348444800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763596800000",
    "number": "1356692958",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 276950",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958276950"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1580 VALENCIA ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941104423",
            "telephone_number": "415-600-5400",
            "fax_number": "415-600-5400"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEWIN",
        "first_name": "THU",
        "middle_name": "ANH",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2012-09-24",
        "last_updated": "2025-11-20",
        "certification_date": "2025-11-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "CA",
            "license": "95018271",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sean Andrew Lewandowski, ACNP
• Tracy Lewellen, PSY.D.
• Laura Lewin
• Matthew R. Lewin, MD, PHD
• Sara Michelle Epstein Lewin, M.D.
• Lewis Engel, PHD
• Julia Lewis-Hatheway
• Aaron M. Lewis, MD
• Barbara Lewis, LMFT
• Cathryn Lewis, LCSW

• 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 Nov 20, 2025; 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.