Mary Billington, MSCCC SLP L
NPI 1164584439 · Speech-Language Pathologist · Pontiac, IL
Mary Billington, MSCCC SLP L is a Speech-Language Pathologist provider in Pontiac, IL (NPI 1164584439).
Provider details
- NPI number
- 1164584439
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- MSCCC SLP L
- 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
19 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
- 2006-12-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mary Billington's NPI number?
- Mary Billington's National Provider Identifier (NPI) is 1164584439, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Billington's specialty?
- Mary Billington is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Mary Billington located?
- Mary Billington's practice location on file with NPPES is 12091 E 2100 North Rd, Pontiac, IL 61764-2973.
- What is Mary Billington's phone number?
- The practice phone number listed in the NPPES registry for Mary Billington is (815) 674-7197.
- Is Mary Billington's NPI active?
- Yes — Mary Billington's NPI (1164584439) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.