Natalie Lonstein
NPI 1568898153 · Professional Counselor · Boston, MA
Natalie Lonstein is a Professional Counselor provider in Boston, MA (NPI 1568898153).
Provider details
- NPI number
- 1568898153
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
Mailing address
Registry dates
- Enumerated
- 2013-09-16
- Last updated
- 2018-03-07
Frequently asked questions
- What is Natalie Lonstein's NPI number?
- Natalie Lonstein's National Provider Identifier (NPI) is 1568898153, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Natalie Lonstein's specialty?
- Natalie Lonstein is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Natalie Lonstein located?
- Natalie Lonstein's practice location on file with NPPES is 850 Harrison Ave, Boston, MA 02118-4001.
- What is Natalie Lonstein's phone number?
- The practice phone number listed in the NPPES registry for Natalie Lonstein is (617) 414-4238.
- Is Natalie Lonstein's NPI active?
- Yes — Natalie Lonstein's NPI (1568898153) is active in the NPPES registry as of the last update on 2018-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.