Charles M. Alperin, Licsw, LLC
NPI 1770288144 · Clinical Social Worker · Lexington, MA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles M. Alperin, Licsw, LLC is a Clinical Social Worker organization in Lexington, MA (NPI 1770288144).
Provider details
- NPI number
- 1770288144
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Charles Alperin, Owner(617) 852-9567
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
- 2023-04-04
- Last updated
- 2023-04-04
- Certified
- 2023-04-04
Frequently asked questions
- What is Charles M. Alperin, Licsw, LLC's NPI number?
- Charles M. Alperin, Licsw, LLC's National Provider Identifier (NPI) is 1770288144, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Charles M. Alperin, Licsw, LLC?
- Charles M. Alperin, Licsw, LLC is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Charles M. Alperin, Licsw, LLC located?
- Charles M. Alperin, Licsw, LLC's practice location on file with NPPES is 35 Bedford St Ste 1, Lexington, MA 02420-4438.
- What is Charles M. Alperin, Licsw, LLC's phone number?
- The practice phone number listed in the NPPES registry for Charles M. Alperin, Licsw, LLC is (617) 852-9567.
- Does Charles M. Alperin, Licsw, LLC accept Medicare?
- Charles M. Alperin, Licsw, LLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Charles M. Alperin, Licsw, LLC?
- The authorized official listed on Charles M. Alperin, Licsw, LLC's NPPES record is Charles Alperin, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Charles M. Alperin, Licsw, LLC's NPI active?
- Yes — Charles M. Alperin, Licsw, LLC's NPI (1770288144) is active in the NPPES registry as of the last update on 2023-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.