IndividualActive
Sandra Steiner
NPI 1639365166 · Psychologist · Waltham, MA
Sandra Steiner is a Psychologist provider in Waltham, MA (NPI 1639365166).
Provider details
- NPI number
- 1639365166
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(82/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
83% 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
77 Rumford Ave
Waltham, MA 02453-3872
Phone: (781) 894-4307
Street-level locationGet directions
Mailing address
7 Cedar St # 1
Somerville, MA 02143-2216
Registry dates
- Enumerated
- 2007-09-18
- Last updated
- 2007-09-18
Frequently asked questions
- What is Sandra Steiner's NPI number?
- Sandra Steiner's National Provider Identifier (NPI) is 1639365166, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sandra Steiner's specialty?
- Sandra Steiner is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Sandra Steiner located?
- Sandra Steiner's practice location on file with NPPES is 77 Rumford Ave, Waltham, MA 02453-3872.
- What is Sandra Steiner's phone number?
- The practice phone number listed in the NPPES registry for Sandra Steiner is (781) 894-4307.
- Is Sandra Steiner's NPI active?
- Yes — Sandra Steiner's NPI (1639365166) is active in the NPPES registry as of the last update on 2007-09-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.