Mariah Hartzell, MS, CCC-SLP
NPI 1336665694 · Speech-Language Pathologist · Norman, OK
Mariah Hartzell, MS, CCC-SLP is a Speech-Language Pathologist provider in Norman, OK (NPI 1336665694).
Provider details
- NPI number
- 1336665694
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- MS, CCC-SLP
- Sex
- Female
- Sole proprietor
- No
- License
- 5471 (OK)
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
- 2017-08-18
- Last updated
- 2020-12-22
- Certified
- 2020-12-22
Frequently asked questions
- What is Mariah Hartzell's NPI number?
- Mariah Hartzell's National Provider Identifier (NPI) is 1336665694, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariah Hartzell's specialty?
- Mariah Hartzell is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Mariah Hartzell located?
- Mariah Hartzell's practice location on file with NPPES is 724 24th Ave Nw Ste 100, Norman, OK 73069-6214.
- What is Mariah Hartzell's phone number?
- The practice phone number listed in the NPPES registry for Mariah Hartzell is (405) 447-1571.
- Is Mariah Hartzell's NPI active?
- Yes — Mariah Hartzell's NPI (1336665694) is active in the NPPES registry as of the last update on 2020-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.