Mark Sorensen, HIS
NPI 1598284317 · Hearing Instrument Specialist · Spirit Lake, IA
Mark Sorensen, HIS is a Hearing Instrument Specialist provider in Spirit Lake, IA (NPI 1598284317).
Provider details
- NPI number
- 1598284317
- Entity type
- Individual
- Primary specialty
- Hearing Instrument SpecialistSpeech, Language and Hearing Service Providers
- Credential
- HIS
- Sex
- Male
- Sole proprietor
- Yes
- License
- 081731 (IA)
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
8 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
- 2017-09-12
- Last updated
- 2018-06-16
Frequently asked questions
- What is Mark Sorensen's NPI number?
- Mark Sorensen's National Provider Identifier (NPI) is 1598284317, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Sorensen's specialty?
- Mark Sorensen is listed in the NPPES registry with a primary specialty of Hearing Instrument Specialist (Speech, Language and Hearing Service Providers).
- Where is Mark Sorensen located?
- Mark Sorensen's practice location on file with NPPES is 2230 33rd St Ste 8, Spirit Lake, IA 51360-7632.
- What is Mark Sorensen's phone number?
- The practice phone number listed in the NPPES registry for Mark Sorensen is (712) 336-4327.
- Is Mark Sorensen's NPI active?
- Yes — Mark Sorensen's NPI (1598284317) is active in the NPPES registry as of the last update on 2018-06-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.