Active NPI
Lillian Shin-Yuen Shen, O.D.
- Optometrist
- San Francisco, CA
National Provider Identifier
1609837772
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Optometrist
- License
- 11210T
- Practice address
- 540 Davis St
San Francisco, CA 94111-1902 - Phone
- (415) 956-1850
- Fax
- (415) 391-3852
- NPI assigned
- Mar 29, 2006
- Sex
- Female
- Sole proprietor
- No
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 |
|---|---|---|---|---|
| Optometrist | 152W00000X | 11210T | CA | Primary |
Addresses
Primary practice location
540 Davis St
San Francisco, CA 94111-1902
Mailing address
202 Bellflower Dr
San Ramon, CA 94582-5636
Phone (925) 648-7826
Medicare participation
Medicare enrollment files- 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: No
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20061005000325 | CA | Practitioner - Optometry | 3678579158 |
Care Compare profile
Medicare Care Compare- Specialty
- Optometry
- Education
- University Alabama Birmingham - School of Optometry, 1999
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
540 Davis St
San Francisco, CA 94111-1902
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 11210T | CA | MD | Optometrist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1143590400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1609837772",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "202 BELLFLOWER DR",
"city": "SAN RAMON",
"state": "CA",
"postal_code": "945825636",
"telephone_number": "925-648-7826"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "540 DAVIS ST",
"city": "SAN FRANCISCO",
"state": "CA",
"postal_code": "941111902",
"telephone_number": "415-956-1850",
"fax_number": "415-391-3852"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SHEN",
"first_name": "LILLIAN",
"middle_name": "SHIN-YUEN",
"name_prefix": "Dr.",
"credential": "O.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-03-29",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "152W00000X",
"taxonomy_group": "",
"desc": "Optometrist",
"state": "CA",
"license": "11210T",
"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 Jul 13, 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.