Active NPI
Barry Joseph Mills, M.D.
- Psychiatry Physician
- San Marcos, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatry Physician
- License
- J0131
- Practice address
- 151 Stagecoach TRL Ste 220
San Marcos, TX 78666-3863 - Phone
- (844) 824-8775
- NPI assigned
- Aug 31, 2006
- Last updated
- Jan 9, 2026
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Psychiatry Physician | 2084P0800X | 221607 | MA | |
| Psychiatry Physician | 2084P0800X | J0131 | TX | Primary |
| Psychiatry Physician | 2084P0800X | C51171 | CA |
Addresses
Primary practice location
151 Stagecoach TRL Ste 220
San Marcos, TX 78666-3863
Mailing address
200 S Oakridge Dr Ste 101-601
Hudson Oaks, TX 76087-1794
Phone (817) 779-4466
Other practice location 1
5901 Encina Rd Ste a
Goleta, CA 93117-2270
Phone (805) 681-0035
Other practice location 2
1332 De La Vina St
Santa Barbara, CA 93101-3121
Phone (805) 681-0035
Other practice location 3
200 S Oakridge Dr Ste 101-601
Hudson Oaks, TX 76087-1794
Phone (817) 779-4466
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 124990608 | Medicaid | TX | |
| 124990609 | Medicaid | TX |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA, TX
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Psychiatry
- Education
- University of Texas Southwestern Medical School at Dallas, 1990
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
1332 De la Vina St
Santa Barbara, CA 93101-3121
Phone (562) 431-8822
151 Stagecoach TRL
Suite 220
San Marcos, TX 78666-3863
Phone (844) 824-8775
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| C51171 | CA | MD | Psychiatry Physician |
| 221607 | MA | MD | Psychiatry Physician |
| J0131 | TX | MD | Psychiatry Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Santa Barbara Behavioral Health, a Psychological Corporation | Psychiatry | Current | Accepting new patients |
| Progressive Behavioral Health, PLLC | Psychiatry | Current | Accepting new patients |
| Tri-County Clinical | Past | Accepting new patients |
Locations
1332 De la Vina St
Santa Barbara, CA 93101
Phone (805) 681-0035
5901 Encina Rd
Ste A
Santa Barbara, CA 93117
Phone (805) 681-0035
12505 Memorial Dr
Ste 230
Houston, TX 77024
Phone (210) 858-9078
23051 Kingwood Place Dr
Ste 110
Kingwood, TX 77339
Phone (281) 374-4500
151 Stagecoach Trl
Ste 220
San Marcos, TX 78666
Phone (448) 248-7758
Interoperability endpoints
- lifestancehealth.barrymills@136732.advancedmd-direct.com
- sbbh.barrymills@144896.advancedmd-direct.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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
dba LifeStance Health
- Mental Health Counselor
- Friendswood, TX
- NPI 1659567238
Psychiatry
-
dba LifeStance Health
- Psychiatry Physician
- Goleta, CA
- NPI 1528182573
-
- Family Medicine Physician
- Luling, TX
- NPI 1336456227
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1156982400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1767916800000",
"number": "1902918675",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "200 S OAKRIDGE DR STE 101-601",
"city": "HUDSON OAKS",
"state": "TX",
"postal_code": "760871794",
"telephone_number": "817-779-4466",
"fax_number": "817-730-9110"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "151 STAGECOACH TRL STE 220",
"city": "SAN MARCOS",
"state": "TX",
"postal_code": "786663863",
"telephone_number": "844-824-8775"
}
],
"practiceLocations": [
{
"address_1": "5901 ENCINA RD STE A",
"address_purpose": "LOCATION",
"city": "GOLETA",
"state": "CA",
"postal_code": "931172270",
"country_code": "US",
"telephone_number": "805-681-0035",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "1332 De La Vina St",
"address_purpose": "LOCATION",
"city": "Santa Barbara",
"state": "CA",
"postal_code": "931013121",
"country_code": "US",
"telephone_number": "805-681-0035",
"fax_number": "805-681-0029",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "200 S Oakridge Dr Ste 101-601",
"address_purpose": "LOCATION",
"city": "Hudson Oaks",
"state": "TX",
"postal_code": "760871794",
"country_code": "US",
"telephone_number": "817-779-4466",
"fax_number": "817-730-9110",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "MILLS",
"first_name": "BARRY",
"middle_name": "JOSEPH",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-08-31",
"last_updated": "2026-01-09",
"certification_date": "2026-01-09",
"status": "A"
},
"taxonomies": [
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "MA",
"license": "221607",
"primary": false
},
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "TX",
"license": "J0131",
"primary": true
},
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "CA",
"license": "C51171",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "124990608",
"state": "TX"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "124990609",
"state": "TX"
}
],
"endpoints": [],
"other_names": []
}
Other providers in San Marcos, TX
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 9, 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.