Individual provider Active NPI

Ethan Ryan Quan, PT, DPT

  • Physical Therapist
  • San Francisco, CA
National Provider Identifier
1821924036
Registry record updated Jun 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physical TherapistTaxonomy code 225100000X
License
310393 Issued in CA
Practice address
550 15TH St Ste 36
San Francisco, CA 94103-5032
Phone
(415) 701-1000
NPI assigned
Jun 23, 2026
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 23, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physical Therapist 225100000X 310393 CA Primary

Addresses

Primary practice location

550 15TH St Ste 36
San Francisco, CA 94103-5032

Mailing address

149 Marview Way
San Francisco, CA 94131-1219
Phone (415) 819-6350

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

Care Compare profile

Medicare Care Compare
Specialty
Physical Therapist in Private Practice
Education
Northwestern University Feinberg Medical School, 2026
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

149 Marview Way
San Francisco, CA 94131-1219

550 15TH St
Suite 36a
San Francisco, CA 94103-5032

550 15TH St
Suite 36a
San Francisco, CA 94103-5088

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
Inner Bar, Inc. Physical Therapist CurrentSince Jun 25, 2026 Accepting new patients

Locations

3401 Taraval St
San Francisco, CA 94116
Phone (415) 682-9902

550 15th St
Ste 36A
San Francisco, CA 94103
Phone (415) 682-9902

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1782172800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782172800000",
    "number": "1821924036",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "149 MARVIEW WAY",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941311219",
            "telephone_number": "415-819-6350"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "550 15TH ST STE 36",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941035032",
            "telephone_number": "415-701-1000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "QUAN",
        "first_name": "ETHAN",
        "middle_name": "RYAN",
        "name_prefix": "Mr.",
        "credential": "PT, DPT",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2026-06-23",
        "last_updated": "2026-06-23",
        "certification_date": "2026-06-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "225100000X",
            "taxonomy_group": "",
            "desc": "Physical Therapist",
            "state": "CA",
            "license": "310393",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • 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.