Sandra Leo-Clark, RN
NPI 1821589185 · Ambulatory Care Registered Nurse · Marstons Mills, MA
Sandra Leo-Clark, RN is a Ambulatory Care Registered Nurse provider in Marstons Mills, MA (NPI 1821589185).
Provider details
- NPI number
- 1821589185
- Entity type
- Individual
- Primary specialty
- Ambulatory Care Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- Yes
- License
- 168434 (MA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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
- 2018-05-22
- Last updated
- 2018-06-16
Frequently asked questions
- What is Sandra Leo-Clark's NPI number?
- Sandra Leo-Clark's National Provider Identifier (NPI) is 1821589185, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandra Leo-Clark's specialty?
- Sandra Leo-Clark is listed in the NPPES registry with a primary specialty of Ambulatory Care Registered Nurse (Nursing Service Providers).
- Where is Sandra Leo-Clark located?
- Sandra Leo-Clark's practice location on file with NPPES is 253 Whistleberry Dr, Marstons Mills, MA 02648-1447.
- What is Sandra Leo-Clark's phone number?
- The practice phone number listed in the NPPES registry for Sandra Leo-Clark is (508) 364-0690.
- Is Sandra Leo-Clark's NPI active?
- Yes — Sandra Leo-Clark's NPI (1821589185) is active in the NPPES registry as of the last update on 2018-06-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.