Sonia Mathisson, MS, RD, IBCLC
NPI 1689037491 · Lactation Consultant (Non-RN) · Millwood, NY
Sonia Mathisson, MS, RD, IBCLC is a Lactation Consultant (Non-RN) provider in Millwood, NY (NPI 1689037491).
Provider details
- NPI number
- 1689037491
- Entity type
- Individual
- Primary specialty
- Lactation Consultant (Non-RN)Other Service Providers
- Credential
- MS, RD, IBCLC
- Sex
- Female
- Sole proprietor
- Yes
- License
- L-85295 (NY)
Specialties & taxonomies
Other Service Providers
Dietary & Nutritional Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
- 2016-03-30
- Last updated
- 2016-03-30
Frequently asked questions
- What is Sonia Mathisson's NPI number?
- Sonia Mathisson's National Provider Identifier (NPI) is 1689037491, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sonia Mathisson's specialty?
- Sonia Mathisson is listed in the NPPES registry with a primary specialty of Lactation Consultant (Non-RN) (Other Service Providers).
- Where is Sonia Mathisson located?
- Sonia Mathisson's practice location on file with NPPES is 3 Erin Ct, Millwood, NY 10546-1004.
- What is Sonia Mathisson's phone number?
- The practice phone number listed in the NPPES registry for Sonia Mathisson is (914) 450-9304.
- Is Sonia Mathisson's NPI active?
- Yes — Sonia Mathisson's NPI (1689037491) is active in the NPPES registry as of the last update on 2016-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.