Active NPI
Stephen Marrs Petty, M.D.
- Psychiatry Physician
- Mission Viejo, CA
National Provider Identifier
1366491029
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatry Physician
- License
- G39238
- Practice address
- 27800 Medical Center Rd
Suite 350
Mission Viejo, CA 92691-6410 - Phone
- (949) 364-5315
- Fax
- (949) 364-6515
- NPI assigned
- May 9, 2006
- 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 |
|---|---|---|---|---|
| Psychiatry Physician | 2084P0800X | G39238 | CA | Primary |
Addresses
Primary practice location
27800 Medical Center Rd
Suite 350
Mission Viejo, CA 92691-6410
Mailing address
27800 Medical Center Rd
Suite 350
Mission Viejo, CA 92691-6410
Phone (949) 364-5315
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| G39238 | CA | MD | Psychiatry Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1147132800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1366491029",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "27800 MEDICAL CENTER RD",
"address_2": "SUITE 350",
"city": "MISSION VIEJO",
"state": "CA",
"postal_code": "926916410",
"telephone_number": "949-364-5315",
"fax_number": "949-364-6515"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "27800 MEDICAL CENTER RD",
"address_2": "SUITE 350",
"city": "MISSION VIEJO",
"state": "CA",
"postal_code": "926916410",
"telephone_number": "949-364-5315",
"fax_number": "949-364-6515"
}
],
"practiceLocations": [],
"basic": {
"last_name": "PETTY",
"first_name": "STEPHEN",
"middle_name": "MARRS",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-05-09",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "CA",
"license": "G39238",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Mission Viejo, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.