Active NPI
Mary Ann Elizabeth Trambley, NNP
- Critical Care Neonatal Nurse Practitioner
- Martinez, CA
National Provider Identifier
1699839126
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Critical Care Neonatal Nurse Practitioner
- License
- 8673
- Practice address
- 230 Paula CT
Martinez, CA 94553-6219 - Phone
- (925) 949-8101
- NPI assigned
- Dec 20, 2006
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Neonatal Intensive Care Registered Nurse | 163WN0002X | 378626 | CA | |
| Critical Care Neonatal Nurse Practitioner | 363LN0005X | 8673 | CA | Primary |
Addresses
Primary practice location
230 Paula CT
Martinez, CA 94553-6219
Mailing address
230 Paula CT
Martinez, CA 94553-6219
Phone (925) 949-8101
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
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 378626 | CA | MD | Neonatal Intensive Care Registered Nurse |
| 8673 | CA | MD | Occupational Therapist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1166572800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1699839126",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "230 PAULA CT",
"city": "MARTINEZ",
"state": "CA",
"postal_code": "945536219",
"telephone_number": "925-949-8101"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "230 PAULA CT",
"city": "MARTINEZ",
"state": "CA",
"postal_code": "945536219",
"telephone_number": "925-949-8101"
}
],
"practiceLocations": [],
"basic": {
"last_name": "TRAMBLEY",
"first_name": "MARY ANN",
"middle_name": "ELIZABETH",
"credential": "NNP",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2006-12-20",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "163WN0002X",
"taxonomy_group": "",
"desc": "Registered Nurse, Neonatal Intensive Care",
"state": "CA",
"license": "378626",
"primary": false
},
{
"code": "363LN0005X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Neonatal, Critical Care",
"state": "CA",
"license": "8673",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Martinez, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.