Active NPI
Marcus Flathman, PHD
- Clinical Psychologist
- Santa Barbara, CA
National Provider Identifier
1760565121
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Psychologist
- License
- 23289
- Practice address
- 123 W Padre St Ste C
Santa Barbara, CA 93105-3960 - Phone
- (805) 617-6002
- NPI assigned
- Oct 21, 2006
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Clinical Psychologist | 103TC0700X | 23289 | CA | Primary |
Addresses
Primary practice location
123 W Padre St Ste C
Santa Barbara, CA 93105-3960
Mailing address
123 W Padre St Ste C
Santa Barbara, CA 93105-3960
Phone (805) 617-6002
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20221209000945 | CA | Practitioner - Psychologist Billing Independently | 4284003450 | Practice locations: Santa Barbara, CA |
Care Compare profile
Medicare Care Compare- Specialty
- Clinical Psychologist
- Education
- Other, 1996
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
Practice addresses (Care Compare)
123 W Padre St
Suite C
Santa Barbara, CA 93105-3960
Phone (805) 617-6002
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Philosophy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 23289 | CA | MD | Speech-Language Pathologist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1161388800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757635200000",
"number": "1760565121",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "123 W PADRE ST STE C",
"city": "SANTA BARBARA",
"state": "CA",
"postal_code": "931053960",
"telephone_number": "805-617-6002"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "123 W PADRE ST STE C",
"city": "SANTA BARBARA",
"state": "CA",
"postal_code": "931053960",
"telephone_number": "805-617-6002"
}
],
"practiceLocations": [],
"basic": {
"last_name": "FLATHMAN",
"first_name": "MARCUS",
"name_prefix": "Dr.",
"credential": "PHD",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2006-10-21",
"last_updated": "2025-09-12",
"certification_date": "2025-09-12",
"status": "A"
},
"taxonomies": [
{
"code": "103TC0700X",
"taxonomy_group": "",
"desc": "Psychologist, Clinical",
"state": "CA",
"license": "23289",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Santa Barbara, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 12, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- 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.