SOMMER COOK LCSW
NPI 1750836730
Social Worker - Clinical in Hamden, CT
About Sommer Cook Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SOMMER COOK LCSW (NPI 1750836730) is an individual clinical provider in Hamden, Connecticut, licensed in Connecticut (12608) and active in the NPI registry since August 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Sommer Cook Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Sommer Cook reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hamden, CT 06518
- Reassigned Medicare billing, Connecticut enrollment
Branford, CT 06405
- Reassigned Medicare billing, Connecticut enrollment
- 18 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06517 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Sommer Cook's NPI number?
The NPI number for Sommer Cook is 1750836730. It was assigned to this individual provider in the NPPES registry on August 19, 2016.
Where is Sommer Cook located?
Sommer Cook practices at 50 Brookhaven Rd, Hamden, CT 06517. The listed phone number is (443) 721-6757.
What is Sommer Cook's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Sommer Cook enrolled in Medicare?
Yes. Sommer Cook is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Sommer Cook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sommer Cook reassigns Medicare benefits to 2 organizations: Cook Behavioral Health LLC (Hamden, CT) and Sound Health And Wellness LLC (Branford, CT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Sommer Cook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sommer Cook accept?
Health plans from Anthem Blue Cross and Blue Shield list Sommer Cook as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Sommer Cook was last updated on April 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Sommer Cook, LCSW · NPI 1750836730
Clinical provider in Hamden, Connecticut. Individual provider, active in the CMS NPPES registry since August 19, 2016.
## Identity
- **NPI:** 1750836730 (Entity type: Individual)
- **Enumerated:** August 19, 2016
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 12608 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 50 BROOKHAVEN RD, Hamden, CT 06517-2946
- **Phone:** (443) 721-6757
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Cook Behavioral Health LLC (NPI 1902746340, Hamden, CT); Sound Health And Wellness LLC (NPI 1093223026, Branford, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** April 3, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1750836730) · Data from the CMS NPPES public registry.