Maria Koslawy, APRN
NPI 1831300144 · Primary Care Nurse Practitioner · Old Lyme, CT
Maria Koslawy, APRN is a Primary Care Nurse Practitioner provider in Old Lyme, CT (NPI 1831300144).
Provider details
- NPI number
- 1831300144
- Entity type
- Individual
- Primary specialty
- Primary Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- 002267 (CT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing 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
- 2007-05-25
- Last updated
- 2007-07-08
Frequently asked questions
- What is Maria Koslawy's NPI number?
- Maria Koslawy's National Provider Identifier (NPI) is 1831300144, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Koslawy's specialty?
- Maria Koslawy is listed in the NPPES registry with a primary specialty of Primary Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maria Koslawy located?
- Maria Koslawy's practice location on file with NPPES is 8 Vista Dr, Old Lyme, CT 06371-1587.
- What is Maria Koslawy's phone number?
- The practice phone number listed in the NPPES registry for Maria Koslawy is (860) 434-8847.
- Is Maria Koslawy's NPI active?
- Yes — Maria Koslawy's NPI (1831300144) 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.