Gerianne Mcmahon, SLP
NPI 1639486939 · Speech-Language Pathologist · Staten Island, NY
Gerianne Mcmahon, SLP is a Speech-Language Pathologist provider in Staten Island, NY (NPI 1639486939).
Provider details
- NPI number
- 1639486939
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- SLP
- Sex
- Female
- Sole proprietor
- No
- License
- 015858 (NY)
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
15 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
- 2010-09-08
- Last updated
- 2010-09-08
Frequently asked questions
- What is Gerianne Mcmahon's NPI number?
- Gerianne Mcmahon's National Provider Identifier (NPI) is 1639486939, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerianne Mcmahon's specialty?
- Gerianne Mcmahon is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Gerianne Mcmahon located?
- Gerianne Mcmahon's practice location on file with NPPES is 3651 Richmond Rd, Staten Island, NY 10306-1434.
- What is Gerianne Mcmahon's phone number?
- The practice phone number listed in the NPPES registry for Gerianne Mcmahon is (718) 351-6398.
- Is Gerianne Mcmahon's NPI active?
- Yes — Gerianne Mcmahon's NPI (1639486939) is active in the NPPES registry as of the last update on 2010-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.