Active NPI
Amber Marjorie Powner, AU.D.
- Audiologist-Hearing Aid Fitter
- Santa Rosa, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Audiologist-Hearing Aid Fitter
- License
- AU3005
- Practice address
- 1701 4TH St Ste 120
Santa Rosa, CA 95404-3661 - Phone
- (707) 523-7025
- NPI assigned
- Nov 12, 2015
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Audiologist-Hearing Aid Fitter | 237600000X | AU3005 | CA | Primary |
Addresses
Primary practice location
1701 4TH St Ste 120
Santa Rosa, CA 95404-3661
Mailing address
2001 Piner Rd Apt 229
Santa Rosa, CA 95403-6966
Phone (707) 523-4740
Other practice location 1
1111 Sonoma Ave Ste 316
Santa Rosa, CA 95405-4820
Phone (707) 523-4740
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| SOAP URL | https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq | Health Information Exchange (HIE) | The Permanente Medical Group |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Qualified Audiologist
- Education
- Other, 2014
- Medicare assignment
- May accept Medicare assignment
- Group practices
Practice addresses (Care Compare)
505 Parnassus Ave
San Francisco, CA 94143-2204
Phone (415) 476-1000
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| AU3005 | CA | MD | Audiologist-Hearing Aid Fitter |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Regents Univ of California UCSF | Current | Accepting new patients | |
| Permanente Medical Group, Inc | Current | Accepting new patients | |
| Permanente Medical Group Inc | Current | Accepting new patients | |
| Permanente Medical Group Inc | Current | Accepting new patients |
Locations
750 Auburn Ravine Rd
Auburn, CA 95603
Phone (530) 823-6131
4753 W Shaw Ave
Ste 101
Fresno, CA 93722
Phone (559) 277-8738
900 N Douty St
Hanford, CA 93230
Phone (559) 587-9014
101 Monroe St
Petaluma, CA 94954
Phone (707) 763-4109
1150 Veterans Blvd
Redwood City, CA 94063
Phone (650) 299-2015
901 Nevin Ave
Richmond, CA 94801
Phone (510) 307-1500
930 W Main St
Ripon, CA 95366
Phone (209) 599-4221
2200 Ofarrell St
San Francisco, CA 94115
Phone (415) 202-2000
505 Parnassus Ave
San Francisco, CA 94143
Phone (415) 476-9058
710 Lawrence Expy
Santa Clara, CA 95051
Phone (408) 236-6400
1701 4th St
Ste 120
Santa Rosa, CA 95404
Phone (707) 523-7025
401 Bicentennial Way
Santa Rosa, CA 95403
Phone (707) 393-4000
5615 Scotts Valley Dr
Scotts Valley, CA 95066
Phone (831) 430-2700
7373 West Ln
Stockton, CA 95210
Phone (209) 476-2000
975 Sereno Dr
Vallejo, CA 94589
Phone (707) 651-1000
320 N Crawford St
Willows, CA 95988
Phone (530) 934-2834
Organizations & group practices 4
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.
-
dba UCSF Physician Group
- Internal Medicine Physician
- San Francisco, CA
- NPI 1124439807
-
- Internal Medicine Physician
- Santa Clara, CA
- NPI 1073606299
-
- Internal Medicine Physician
- San Francisco, CA
- NPI 1841373800
-
- Clinical Medical Laboratory
- San Jose, CA
- NPI 1497971584
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1447286400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1764115200000",
"number": "1881067890",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2001 PINER RD APT 229",
"city": "SANTA ROSA",
"state": "CA",
"postal_code": "954036966",
"telephone_number": "707-523-4740"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1701 4TH ST STE 120",
"city": "SANTA ROSA",
"state": "CA",
"postal_code": "954043661",
"telephone_number": "707-523-7025"
}
],
"practiceLocations": [
{
"address_1": "1111 Sonoma Ave Ste 316",
"address_purpose": "LOCATION",
"city": "Santa Rosa",
"state": "CA",
"postal_code": "954054820",
"country_code": "US",
"telephone_number": "707-523-4740",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "POWNER",
"first_name": "AMBER",
"middle_name": "MARJORIE",
"credential": "AU.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2015-11-12",
"last_updated": "2025-11-26",
"certification_date": "2025-11-26",
"status": "A"
},
"taxonomies": [
{
"code": "237600000X",
"taxonomy_group": "",
"desc": "Audiologist-Hearing Aid Fitter",
"state": "CA",
"license": "AU3005",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "SOAP",
"endpointTypeDescription": "SOAP URL",
"endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq",
"affiliation": "Y",
"endpointDescription": "Carequality",
"affiliationName": "The Permanente Medical Group",
"use": "HIE",
"useDescription": "Health Information Exchange (HIE)",
"contentType": "OTHER",
"contentTypeDescription": "Other",
"contentOtherDescription": "C-CDA",
"address_1": "401 Bicentennial Way",
"city": "Santa Rosa",
"state": "CA",
"country_code": "US",
"postal_code": "954032149",
"country_name": "United States",
"address_type": "DOM"
}
],
"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 Nov 26, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.