Active NPI
Brian B Lo, MD
- Internal Medicine Physician
- Irvine, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- A68666
- Practice address
- 7545 Irvine Center Dr Ste 200
Irvine, CA 92618-2933 - Phone
- (949) 503-5112
- Fax
- (949) 503-5113
- NPI assigned
- Oct 10, 2005
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | A68666 | CA | Primary |
Addresses
Primary practice location
7545 Irvine Center Dr Ste 200
Irvine, CA 92618-2933
Mailing address
7545 Irvine Center Dr Ste 200
Irvine, CA 92618-2933
Phone (949) 503-5112
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| A68666 | Other | CA | STATE MEDICAL LICENSE |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | brian.lo@306283921211396.direct.elationemr.com | Direct |
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
- Internal Medicine
- Education
- Chicago College of Medicine and Surgery, 1995
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
Practice addresses (Care Compare)
7545 Irvine Ctr Dr
Suite 200
Irvine, CA 92618-2933
Phone (949) 503-5112
Hospital & facility affiliations
- Hoag Memorial Hospital Presbyterian
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 68666 | CA | MD | Pharmacist |
| A68666 | CA | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Brian B. Lo, MD Inc. | Internal Medicine | Current | Accepting new patients |
| Riamd Inc | Past | Accepting new patients | |
| Mission Hospital Regional Medical Center | Past | Accepting new patients |
Locations
7545 Irvine Center Dr
Ste 200
Irvine, CA 92618
Phone (949) 503-5112
31852 Coast Hwy
Ste 405
Laguna Beach, CA 92651
Phone (949) 499-3400
30025 Alicia Pkwy
Laguna Niguel, CA 92677
Phone (714) 231-0169
30131 Town Center Dr
Ste 211
Laguna Niguel, CA 92677
Phone (949) 297-8167
30320 Rancho Viejo Rd
Ste 102
San Juan Capistrano, CA 92675
Phone (949) 481-8414
Interoperability endpoints
- brian.lo@306283921211396.direct.elationemr.com
Organizations & group practices 3
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.
-
- Internal Medicine Physician
- Irvine, CA
- NPI 1558387340
-
- Rehabilitation Hospital
- Mission Viejo, CA
- NPI 1003956913
-
- General Acute Care Hospital
- Newport Beach, CA
- NPI 1982980306
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Newport Beach, CA
- NPI 1518951300
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1128902400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1743379200000",
"number": "1073501565",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "7545 IRVINE CENTER DR STE 200",
"city": "IRVINE",
"state": "CA",
"postal_code": "926182933",
"telephone_number": "949-503-5112",
"fax_number": "949-503-5113"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "7545 IRVINE CENTER DR STE 200",
"city": "IRVINE",
"state": "CA",
"postal_code": "926182933",
"telephone_number": "949-503-5112",
"fax_number": "949-503-5113"
}
],
"practiceLocations": [],
"basic": {
"last_name": "LO",
"first_name": "BRIAN",
"middle_name": "B",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-10-10",
"last_updated": "2025-03-31",
"certification_date": "2025-03-31",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "A68666",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "STATE MEDICAL LICENSE",
"identifier": "A68666",
"state": "CA"
}
],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "brian.lo@306283921211396.direct.elationemr.com",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "7545 Irvine Center Dr Ste 200",
"city": "Irvine",
"state": "CA",
"country_code": "US",
"postal_code": "926182933",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in Irvine, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 31, 2025; 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.