IndividualActive
Sara O'Brien, M.A.
NPI 1891039202 · Audiologist · Waterloo, IA
Sara O'Brien, M.A. is a Audiologist provider in Waterloo, IA (NPI 1891039202).
Provider details
- NPI number
- 1891039202
- Entity type
- Individual
- Primary specialty
- AudiologistSpeech, Language and Hearing Service Providers
- Credential
- M.A.
- Sex
- Female
- Sole proprietor
- No
- License
- 00565 (IA)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
Detailed profile(78/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
1753 W Ridgeway Ave
Suite 111
Waterloo, IA 50701-4544
Phone: (319) 833-5970
Fax: (319) 833-5971
Street-level locationGet directions
Mailing address
Po Box 2758
Waterloo, IA 50704-2758
Registry dates
- Enumerated
- 2012-11-26
- Last updated
- 2012-12-06
Frequently asked questions
- What is Sara O'Brien's NPI number?
- Sara O'Brien's National Provider Identifier (NPI) is 1891039202, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sara O'Brien's specialty?
- Sara O'Brien is listed in the NPPES registry with a primary specialty of Audiologist (Speech, Language and Hearing Service Providers).
- Where is Sara O'Brien located?
- Sara O'Brien's practice location on file with NPPES is 1753 W Ridgeway Ave, Waterloo, IA 50701-4544.
- What is Sara O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Sara O'Brien is (319) 833-5970.
- Is Sara O'Brien's NPI active?
- Yes — Sara O'Brien's NPI (1891039202) is active in the NPPES registry as of the last update on 2012-12-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.