Active NPI
Robert Marroquin Acosta, D.O.
- Family Medicine Physician
- Tracy, CA
National Provider Identifier
1003853649
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- License
- 20A4224
- Practice address
- 1530 Bessie Ave
Tracy, CA 95376-3080 - Phone
- (209) 834-1443
- NPI assigned
- Jun 1, 2006
- Last updated
- Jul 13, 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | 20A4224 | CA | Primary |
Addresses
Primary practice location
1530 Bessie Ave
Tracy, CA 95376-3080
Mailing address
1530 Bessie Ave
Tracy, CA 95376-3080
Phone (209) 834-1443
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)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 20A4224 | CA | MD | Family Medicine Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1149120000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1003853649",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1530 BESSIE AVE",
"city": "TRACY",
"state": "CA",
"postal_code": "953763080",
"telephone_number": "209-834-1443"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1530 BESSIE AVE",
"city": "TRACY",
"state": "CA",
"postal_code": "953763080",
"telephone_number": "209-834-1443"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ACOSTA",
"first_name": "ROBERT",
"middle_name": "MARROQUIN",
"name_prefix": "Dr.",
"credential": "D.O.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-06-01",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "CA",
"license": "20A4224",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Tracy, 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.