IndividualActive
Rachael Lastoff
NPI 1669781688 · Mental Health Counselor · Arlington, MA
Rachael Lastoff is a Mental Health Counselor provider in Arlington, MA (NPI 1669781688).
Provider details
- NPI number
- 1669781688
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(77/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
18 Claremont Ave
Arlington, MA 02476-5812
Phone: (781) 648-2000
Street-level locationGet directions
Mailing address
19 Dublin Ave
Nashua, NH 03063-2039
Registry dates
- Enumerated
- 2010-09-27
- Last updated
- 2010-09-27
Frequently asked questions
- What is Rachael Lastoff's NPI number?
- Rachael Lastoff's National Provider Identifier (NPI) is 1669781688, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rachael Lastoff's specialty?
- Rachael Lastoff is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Rachael Lastoff located?
- Rachael Lastoff's practice location on file with NPPES is 18 Claremont Ave, Arlington, MA 02476-5812.
- What is Rachael Lastoff's phone number?
- The practice phone number listed in the NPPES registry for Rachael Lastoff is (781) 648-2000.
- Is Rachael Lastoff's NPI active?
- Yes — Rachael Lastoff's NPI (1669781688) is active in the NPPES registry as of the last update on 2010-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.