Active NPI
Jesus I Ramirez, MD, MSW
- Psychiatry Physician
- Oakland, CA
National Provider Identifier
1275518821
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatry Physician
- License
- A71020
- Practice address
- 651 66TH St
Oakland, CA 94609-1003 - Phone
- (530) 300-9387
- NPI assigned
- Dec 7, 2005
- 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 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Surgical Critical Care Physician | 2086S0102X | A71020 | CA | |
| Psychiatry Physician | 2084P0800X | A71020 | CA | Primary |
| Surgery Physician | 208600000X | A71020 | CA | |
| Trauma Surgery Physician | 2086S0127X | A71020 | CA |
Addresses
Primary practice location
651 66TH St
Oakland, CA 94609-1003
Mailing address
651 66TH St
Oakland, CA 94609-1003
Phone (530) 300-9387
Other names 1
- Dr. J Zeus
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 Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A71020 | CA | MD | Trauma Surgery Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Acute Care Surgery Medical Group, Inc. | Surgery | 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.
-
- Surgery Physician
- Sacramento, CA
- NPI 1700069549
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1133913600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1785110400000",
"number": "1275518821",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "651 66TH ST",
"city": "OAKLAND",
"state": "CA",
"postal_code": "946091003",
"telephone_number": "530-300-9387"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "651 66TH ST",
"city": "OAKLAND",
"state": "CA",
"postal_code": "946091003",
"telephone_number": "530-300-9387"
}
],
"practiceLocations": [],
"basic": {
"last_name": "RAMIREZ",
"first_name": "JESUS",
"middle_name": "I",
"name_prefix": "Dr.",
"credential": "MD, MSW",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2005-12-07",
"last_updated": "2026-07-27",
"certification_date": "2026-07-27",
"status": "A"
},
"taxonomies": [
{
"code": "2086S0102X",
"taxonomy_group": "",
"desc": "Surgery, Surgical Critical Care",
"state": "CA",
"license": "A71020",
"primary": false
},
{
"code": "2084P0800X",
"taxonomy_group": "",
"desc": "Psychiatry & Neurology, Psychiatry",
"state": "CA",
"license": "A71020",
"primary": true
},
{
"code": "208600000X",
"taxonomy_group": "",
"desc": "Surgery",
"state": "CA",
"license": "A71020",
"primary": false
},
{
"code": "2086S0127X",
"taxonomy_group": "",
"desc": "Surgery, Trauma Surgery",
"state": "CA",
"license": "A71020",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "J",
"last_name": "ZEUS",
"prefix": "DR.",
"credential": "MD, MSW",
"code": "2",
"type": "Professional Name"
}
]
}Other providers in Oakland, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 27, 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.