Active NPI
Choon Shan Loo, OD
- Optometrist
- Tucson, AZ
National Provider Identifier
1528906674
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Optometrist
- License
- OPT-002950
- Practice address
- 3601 S 6TH Ave
Tucson, AZ 85723-0001 - Phone
- (520) 792-1450
- NPI assigned
- Mar 23, 2026
- Last updated
- Jun 17, 2026
- 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 | OPT-002950 | AZ | Primary |
Addresses
Primary practice location
3601 S 6TH Ave
Tucson, AZ 85723-0001
Mailing address
955 W Southern Ave Ste 101
Mesa, AZ 85210-4903
Phone (480) 961-1702
Other practice location 1
9160 S Houghton Rd Ste 140
Tucson, AZ 85747-9736
Phone (520) 574-6513
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: No
- Hospice: Yes
Care Compare profile
Medicare Care Compare- Specialty
- Optometry
- Education
- Other, 2026
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
43 Woodside Ave
Daly City, CA 94015-4241
955 W Southern Ave
Suite 101
Mesa, AZ 85210-4903
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1774224000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1781654400000",
"number": "1528906674",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "955 W SOUTHERN AVE STE 101",
"city": "MESA",
"state": "AZ",
"postal_code": "852104903",
"telephone_number": "480-961-1702"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3601 S 6TH AVE",
"city": "TUCSON",
"state": "AZ",
"postal_code": "857230001",
"telephone_number": "520-792-1450"
}
],
"practiceLocations": [
{
"address_1": "9160 S Houghton Rd Ste 140",
"address_purpose": "LOCATION",
"city": "Tucson",
"state": "AZ",
"postal_code": "857479736",
"country_code": "US",
"telephone_number": "520-574-6513",
"fax_number": "520-798-7337",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "LOO",
"first_name": "CHOON",
"middle_name": "SHAN",
"credential": "OD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2026-03-23",
"last_updated": "2026-06-17",
"certification_date": "2026-06-17",
"status": "A"
},
"taxonomies": [
{
"code": "152W00000X",
"taxonomy_group": "",
"desc": "Optometrist",
"state": "AZ",
"license": "OPT-002950",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Tucson, AZ
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 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.