Ross Unguren
NPI 1649622549 · Hearing Instrument Specialist · Santa Rosa, CA
Ross Unguren is a Hearing Instrument Specialist provider in Santa Rosa, CA (NPI 1649622549).
Provider details
- NPI number
- 1649622549
- Entity type
- Individual
- Primary specialty
- Hearing Instrument SpecialistSpeech, Language and Hearing Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- HT 9486 (CA)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-07-05
- Last updated
- 2016-07-05
Frequently asked questions
- What is Ross Unguren's NPI number?
- Ross Unguren's National Provider Identifier (NPI) is 1649622549, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ross Unguren's specialty?
- Ross Unguren is listed in the NPPES registry with a primary specialty of Hearing Instrument Specialist (Speech, Language and Hearing Service Providers).
- Where is Ross Unguren located?
- Ross Unguren's practice location on file with NPPES is 1421 Guerneville Rd, Santa Rosa, CA 95403-7220.
- What is Ross Unguren's phone number?
- The practice phone number listed in the NPPES registry for Ross Unguren is (707) 544-4433.
- Is Ross Unguren's NPI active?
- Yes — Ross Unguren's NPI (1649622549) is active in the NPPES registry as of the last update on 2016-07-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.