Active NPI
Robert P Didier, D.D.S.
- Specialist
- Santa Rosa, CA
National Provider Identifier
1780805671
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Specialist
- License
- 22065
- Practice address
- 2305 Mendocino Ave Ste a
Santa Rosa, CA 95403-3157 - Phone
- (707) 525-1501
- Fax
- (707) 525-0315
- NPI assigned
- May 1, 2007
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| General Practice Dentistry | 1223G0001X | 22065 | CA | |
| Specialist | 174400000X | 22065 | CA | Primary |
Addresses
Primary practice location
2305 Mendocino Ave Ste a
Santa Rosa, CA 95403-3157
Mailing address
1130 Monticello Rd
Napa, CA 94558-2031
Phone (707) 265-6892
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: No
- Hospice: Yes
- Opted out of Medicare
- Yes, effective Jun 23, 2015 through Jun 23, 2027
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 22065 | CA | MD | Certified Respiratory Therapist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1177977600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1780805671",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1130 MONTICELLO RD",
"city": "NAPA",
"state": "CA",
"postal_code": "945582031",
"telephone_number": "707-265-6892",
"fax_number": "707-253-3988"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2305 MENDOCINO AVE STE A",
"city": "SANTA ROSA",
"state": "CA",
"postal_code": "954033157",
"telephone_number": "707-525-1501",
"fax_number": "707-525-0315"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DIDIER",
"first_name": "ROBERT",
"middle_name": "P",
"name_prefix": "Dr.",
"credential": "D.D.S.",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2007-05-01",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "1223G0001X",
"taxonomy_group": "",
"desc": "Dentist, General Practice",
"state": "CA",
"license": "22065",
"primary": false
},
{
"code": "174400000X",
"taxonomy_group": "",
"desc": "Specialist",
"state": "CA",
"license": "22065",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Santa Rosa, 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.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring; Opt Out Affidavits.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.