Karin Bertha Duff
Karin Bertha Duff is a Hearing Instrument Specialist in Vallejo, California. Works from 2 locations. Licensed in California.
- Licensed in
- CA
- In the registry since
- 2026
Practice location Address checks out
480 Redwood St Ste 14Vallejo, CA 94590-2958
Phone: (707) 642-8862
Fax: (707) 642-8815
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Additional practice locations (1)
- 1700 Pennsylvania Ave Ste B, Fairfield, CA 94533-3510 — (707) 426-4327
Specialties & licences
| Hearing Instrument Specialist (primary) | Taxonomy 237700000X · Licence HA7368 (CA) |
|---|
Record details
| NPI number | 1326973371 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Female |
| Sole proprietor | No |
| NPI enumerated | June 12, 2026 |
| Last updated in NPPES | June 12, 2026 |
| Certification date | June 12, 2026 |
| Mailing address | 1904 Rollingwood Dr, Fairfield, CA 94534-7932 |
Other providers in Vallejo
-
Mr. Raymond Francis Hill, HEARINGAIDDISPENSE
1917 Sereno Dr, Vallejo, CA 94589-2838 · (707) 515-5522
-
Mr. Ronald William Jenkins, BCHIS-ACA
1534 Tennessee St, Vallejo, CA 94590-4627 · (707) 554-6660
-
Mrs. Bonny Jean Kuhfal, HIS
1534 Tennessee St, Vallejo, CA 94590-4627 · (707) 554-6660