Eileen Marquardt, M.S. CCC-SLP
NPI 1992917363 · Speech-Language Pathologist · Islip, NY
Eileen Marquardt, M.S. CCC-SLP is a Speech-Language Pathologist provider in Islip, NY (NPI 1992917363).
Provider details
- NPI number
- 1992917363
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- M.S. CCC-SLP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 006697 (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
19 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
- 2007-05-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Eileen Marquardt's NPI number?
- Eileen Marquardt's National Provider Identifier (NPI) is 1992917363, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eileen Marquardt's specialty?
- Eileen Marquardt is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Eileen Marquardt located?
- Eileen Marquardt's practice location on file with NPPES is 135 Jaycox Ave, Islip, NY 11751-2525.
- What is Eileen Marquardt's phone number?
- The practice phone number listed in the NPPES registry for Eileen Marquardt is (631) 804-8207.
- Is Eileen Marquardt's NPI active?
- Yes — Eileen Marquardt's NPI (1992917363) 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.