Ellen Marolf, AU.D.
NPI 1538651021 · Audiologist · Columbia, MO
Enrolled with Medicare as Practitioner - Qualified Audiologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ellen Marolf, AU.D. is a Audiologist provider in Columbia, MO (NPI 1538651021).
Provider details
- NPI number
- 1538651021
- Entity type
- Individual
- Primary specialty
- AudiologistSpeech, Language and Hearing Service Providers
- Credential
- AU.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 2020006377 (MO)
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
- 2018-05-31
- Last updated
- 2022-09-15
- Certified
- 2020-05-05
Frequently asked questions
- What is Ellen Marolf's NPI number?
- Ellen Marolf's National Provider Identifier (NPI) is 1538651021, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Marolf's specialty?
- Ellen Marolf is listed in the NPPES registry with a primary specialty of Audiologist (Speech, Language and Hearing Service Providers).
- Where is Ellen Marolf located?
- Ellen Marolf's practice location on file with NPPES is 525 N Keene St Ste 201, Columbia, MO 65201-6967.
- What is Ellen Marolf's phone number?
- The practice phone number listed in the NPPES registry for Ellen Marolf is (573) 882-7903.
- Does Ellen Marolf accept Medicare?
- Ellen Marolf is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ellen Marolf's NPI active?
- Yes — Ellen Marolf's NPI (1538651021) is active in the NPPES registry as of the last update on 2022-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.