Active NPI
Josh O Wallsh, M.D.
- Ophthalmology Physician
- Torrance, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Ophthalmology Physician
- License
- A184249
- Practice address
- 4201 Torrance Blvd Ste 220
Torrance, CA 90503-4537 - Phone
- (310) 944-9393
- Fax
- (310) 944-3393
- NPI assigned
- Apr 18, 2016
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Ophthalmology Physician | 207W00000X | A184249 | CA | Primary |
| Retina Specialist (Ophthalmology) Physician | 207WX0107X | A184249 | CA |
Addresses
Primary practice location
4201 Torrance Blvd Ste 220
Torrance, CA 90503-4537
Mailing address
4201 Torrance Blvd Ste 220
Torrance, CA 90503-4537
Phone (310) 944-9393
Other practice location 1
1414 S Grand Ave Ste 105
Los Angeles, CA 90015-3078
Phone (310) 944-9393
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: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Ophthalmology
- Education
- Other, 2016
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
3916 S Broadway
Los Angeles, CA 90037-1307
Phone (323) 234-9137
4201 Torrance Blvd
Suite 220
Torrance, CA 90503-4537
Phone (310) 944-9393
Hospital & facility affiliations
- Torrance Memorial Medical Center
Merit-based Incentive Payment System (MIPS)
- Final score
- 100 of 100
- Quality
- 100
- Improvement activities
- 40
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Cataract surgery | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A184249 | CA | MD | Ophthalmology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Retina Macula Institute | Ophthalmology | Current | Accepting new patients |
| Marshall B. Ketchum University/University Eye Center at Los Angeles | Current | Accepting new patients | |
| Marshall B. Ketchum University | Current | Accepting new patients | |
| Marshall B. Ketchum University | Current | Accepting new patients | |
| Glaucoma Consultants of the Capital Region,PLLC | Ophthalmology | Past | Accepting new patients |
Locations
5460 E La Palma Ave
Anaheim, CA 92807
Phone (714) 463-7500
1414 S Grand Ave
Ste 105
Los Angeles, CA 90015
Phone (213) 749-5555
1414 S Grand Ave
Los Angeles, CA 90015
Phone (213) 741-5271
3916 S Broadway
Los Angeles, CA 90037
Phone (323) 234-9137
4201 Torrance Blvd
Ste 220
Torrance, CA 90503
Phone (310) 543-4444
4201 Torrance Blvd
Torrance, CA 90503
Phone (310) 540-5503
Networks
- BSC 65 PLUS INDIVIDUAL MAPD
Interoperability endpoints
- https://fhir.meditouchehr.com/api/fhir/r4/
- jwallsh@rmidoc.direct.eyemdemr.com
Organizations & group practices 5
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.
-
- Optometrist
- Anaheim, CA
- NPI 1720101876
-
- Multi-Specialty Clinic/Center
- Anaheim, CA
- NPI 1174037493
-
- Optometrist
- Los Angeles, CA
- NPI 1558467225
-
- Ophthalmology Physician
- Slingerlands, NY
- NPI 1073530952
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Torrance, CA
- NPI 1467459776
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1460937600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1776038400000",
"number": "1740634567",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4201 TORRANCE BLVD STE 220",
"city": "TORRANCE",
"state": "CA",
"postal_code": "905034537",
"telephone_number": "310-944-9393",
"fax_number": "310-944-3393"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4201 TORRANCE BLVD STE 220",
"city": "TORRANCE",
"state": "CA",
"postal_code": "905034537",
"telephone_number": "310-944-9393",
"fax_number": "310-944-3393"
}
],
"practiceLocations": [
{
"address_1": "1414 S Grand Ave Ste 105",
"address_purpose": "LOCATION",
"city": "Los Angeles",
"state": "CA",
"postal_code": "900153078",
"country_code": "US",
"telephone_number": "310-944-9393",
"fax_number": "310-944-3393",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "WALLSH",
"first_name": "JOSH",
"middle_name": "O",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2016-04-18",
"last_updated": "2026-04-13",
"certification_date": "2026-04-13",
"status": "A"
},
"taxonomies": [
{
"code": "207W00000X",
"taxonomy_group": "",
"desc": "Ophthalmology",
"state": "CA",
"license": "A184249",
"primary": true
},
{
"code": "207WX0107X",
"taxonomy_group": "",
"desc": "Ophthalmology, Retina Specialist",
"state": "CA",
"license": "A184249",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Torrance, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 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.