Active NPI
Allene Fonseca
- Dermatology Physician
- Orange, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Dermatology Physician
- License
- A150457
- Practice address
- 101 The City Dr S
Orange, CA 92868-3201 - Phone
- (714) 456-8888
- NPI assigned
- Apr 20, 2016
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Dermatology Physician | 207N00000X | A150457 | CA | Primary |
| Dermatology Physician | 207N00000X | 4351050138 | MI | |
| Internal Medicine Physician | 207R00000X | A150457 | CA |
Addresses
Primary practice location
101 The City Dr S
Orange, CA 92868-3201
Mailing address
101 The City Dr S
Orange, CA 92868-3201
Phone (714) 456-8888
Other practice location 1
11234 Anderson St
Westerly Suite C
Loma Linda, CA 92354-2804
Phone (909) 558-4074
Other practice location 2
18100 Oakwood Blvd Ste 300
Dearborn, MI 48124-4085
Phone (313) 240-4900
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
- Dermatology
- Education
- Other, 2016
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
101 The City Dr S
Orange, CA 92868-3201
Phone (714) 456-7004
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Removal of skin lesions | 53 |
| Skin biopsy | 28 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A150457 | CA | MD | Dermatology Physician |
| 4351050138 | MI | MD | Dermatology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Uci Department of Dermatology | Dermatology | Current | Accepting new patients |
| University of California Irvine | Past | Accepting new patients |
Locations
850 Health Sciences Rd
Fl 2
Irvine, CA 92617
Phone (602) 614-8874
23961 Calle de la Magdalena
Ste 4
Laguna Hills, CA 92653
2161 San Joaquin Hills Rd
Newport Beach, CA 92660
Phone (949) 386-5700
101 The City Dr S
Orange, CA 92868
Phone (714) 456-6054
101 The City Dr S
Bldg 29
Orange, CA 92868
Phone (714) 456-7005
Interoperability endpoints
- afonseca937935@direct.hfhs.org
Organizations & group practices 2
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.
-
- Dermatology Physician
- Orange, CA
- NPI 1518916527
-
- Infusion Therapy Clinic/Center
- Irvine, CA
- NPI 1417027475
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1461110400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1763683200000",
"number": "1487008025",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "101 THE CITY DR S",
"city": "ORANGE",
"state": "CA",
"postal_code": "928683201",
"telephone_number": "714-456-8888"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "101 THE CITY DR S",
"city": "ORANGE",
"state": "CA",
"postal_code": "928683201",
"telephone_number": "714-456-8888"
}
],
"practiceLocations": [
{
"address_1": "11234 Anderson St",
"address_2": "Westerly Suite C",
"address_purpose": "LOCATION",
"city": "Loma Linda",
"state": "CA",
"postal_code": "923542804",
"country_code": "US",
"telephone_number": "909-558-4074",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "18100 Oakwood Blvd Ste 300",
"address_purpose": "LOCATION",
"city": "Dearborn",
"state": "MI",
"postal_code": "481244085",
"country_code": "US",
"telephone_number": "313-240-4900",
"fax_number": "313-429-7992",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "FONSECA",
"first_name": "ALLENE",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2016-04-20",
"last_updated": "2025-11-21",
"certification_date": "2025-11-21",
"status": "A"
},
"taxonomies": [
{
"code": "207N00000X",
"taxonomy_group": "",
"desc": "Dermatology",
"state": "CA",
"license": "A150457",
"primary": true
},
{
"code": "207N00000X",
"taxonomy_group": "",
"desc": "Dermatology",
"state": "MI",
"license": "4351050138",
"primary": false
},
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "A150457",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Orange, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 21, 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.