Active NPI
Ethan Ryan Quan, PT, DPT
- Physical Therapist
- San Francisco, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physical Therapist
- License
- 310393
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Inner Bar, Inc. | Physical Therapist | Current | 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.