Mallory Proffer
NPI 1255059317 · Speech-Language Pathologist · O Fallon, MO
Mallory Proffer is a Speech-Language Pathologist provider in O Fallon, MO (NPI 1255059317).
Provider details
- NPI number
- 1255059317
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Sex
- Female
- Sole proprietor
- Yes
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
3 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2022-08-16
- Last updated
- 2022-08-16
- Certified
- 2022-08-16
Frequently asked questions
- What is Mallory Proffer's NPI number?
- Mallory Proffer's National Provider Identifier (NPI) is 1255059317, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mallory Proffer's specialty?
- Mallory Proffer is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Mallory Proffer located?
- Mallory Proffer's practice location on file with NPPES is 1251 Turtle Creek Dr, O Fallon, MO 63366-5948.
- What is Mallory Proffer's phone number?
- The practice phone number listed in the NPPES registry for Mallory Proffer is (636) 379-0300.
- Is Mallory Proffer's NPI active?
- Yes — Mallory Proffer's NPI (1255059317) is active in the NPPES registry as of the last update on 2022-08-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.