Leslie Kowalski, PHD, IBCLC
NPI 1205245537 · Lactation Consultant (Non-RN) · Plainsboro, NJ
Leslie Kowalski, PHD, IBCLC is a Lactation Consultant (Non-RN) provider in Plainsboro, NJ (NPI 1205245537).
Provider details
- NPI number
- 1205245537
- Entity type
- Individual
- Primary specialty
- Lactation Consultant (Non-RN)Other Service Providers
- Credential
- PHD, IBCLC
- Sex
- Female
- Sole proprietor
- Yes
- License
- L-25205 (NJ)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
- 2014-08-12
- Last updated
- 2015-07-08
Frequently asked questions
- What is Leslie Kowalski's NPI number?
- Leslie Kowalski's National Provider Identifier (NPI) is 1205245537, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leslie Kowalski's specialty?
- Leslie Kowalski is listed in the NPPES registry with a primary specialty of Lactation Consultant (Non-RN) (Other Service Providers).
- Where is Leslie Kowalski located?
- Leslie Kowalski's practice location on file with NPPES is 7 Jeffers Rd, Plainsboro, NJ 08536-1901.
- What is Leslie Kowalski's phone number?
- The practice phone number listed in the NPPES registry for Leslie Kowalski is (908) 715-5454.
- Is Leslie Kowalski's NPI active?
- Yes — Leslie Kowalski's NPI (1205245537) is active in the NPPES registry as of the last update on 2015-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.