Active NPI
Darrow Jay Thom, M.D.
- Psychiatry Physician
- Calabasas, CA
National Provider Identifier
1891847059
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatry Physician
- License
- G49313
- Practice address
- 4500 Park Granada Ste 202
Calabasas, CA 91302-1666 - Phone
- (805) 505-1492
- Fax
- (855) 280-1616
- NPI assigned
- Jan 17, 2007
- 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 |
|---|---|---|---|---|
| Psychiatry Physician | 2084P0800X | G49313 | CA | Primary |
| Psychiatry Physician | 2084P0800X | MD00026354 | WA |
Addresses
Primary practice location
4500 Park Granada Ste 202
Calabasas, CA 91302-1666
Mailing address
4500 Park Granada Ste 202
Calabasas, CA 91302-1666
Phone (805) 505-1492
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: Yes
- Hospice: Yes
- Opted out of Medicare
- Yes, effective Dec 29, 2025 through Dec 29, 2027
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| G49313 | CA | MD | Psychiatry Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Mark David Levine M.D. Professional Corporation | Psychiatry | Past | Accepting new patients |
Organizations & group practices 1
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.
-
- Psychiatry Physician
- Sacramento, CA
- NPI 1154697944
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1168992000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1766448000000",
"number": "1891847059",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "4500 PARK GRANADA STE 202",
"city": "CALABASAS",
"state": "CA",
"postal_code": "913021666",
"telephone_number": "805-505-1492",
"fax_number": "855-280-1616"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4500 PARK GRANADA STE 202",
"city": "CALABASAS",
"state": "CA",
"postal_code": "913021666",
"telephone_number": "805-505-1492",
"fax_number": "855-280-1616"
}
],
"practiceLocations": [],
"basic": {
"last_name": "THOM",
"first_name": "DARROW",
"middle_name": "JAY",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2007-01-17",
"last_updated": "2025-12-23",
"certification_date": "2025-12-23",
"status": "A"
},
"taxonomies": [
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "CA",
"license": "G49313",
"primary": true
},
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "WA",
"license": "MD00026354",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Calabasas, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 23, 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; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.