SIERRA ELIZABETH GALLAGI LCSW
NPI 1487271540
Social Worker - Clinical in New Haven, CT

Q: What is Sierra Gallagi's NPI number?

The NPI number for Sierra Gallagi is 1487271540. It was assigned to this individual provider in the NPPES registry on July 6, 2020.

Q: What is Sierra Gallagi's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Q: When was this NPI record last updated?

The NPPES record for Sierra Gallagi was last updated on March 15, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.

Active since July 06, 2020PECOS Enrolled

232 CEDAR ST, NEW HAVEN, CT 06519(203) 503-3300 Get Directions Write a Review

NPPES record last updated: March 15, 2023. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Mar 15, 2023, Jan 24, 2022, Dec 3, 2020 and 1 more (4 updates tracked since 2020).

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About Sierra Elizabeth Gallagi Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SIERRA ELIZABETH GALLAGI LCSW (NPI 1487271540) is an individual clinical provider in New Haven, Connecticut, licensed in Connecticut (12772) and active in the NPI registry since July 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1487271540

Entity TypeIndividualFemale

Primary Taxonomy1041C0700X

Provider Legal NameSIERRA ELIZABETH GALLAGICredential: LCSW

Location Address232 CEDAR STNew Haven, CT 06519-1610

Mailing Address400 Columbus AveNew Haven, CT 06519-1233 · (203) 503-3460 · Fax (203) 503-3455

Phone(203) 503-3300

Sole ProprietorNo

Enumeration DateJuly 6, 2020

Last NPPES UpdateMarch 15, 20234 updates tracked since enumeration

NPPES CertifiedMarch 15, 2023

✔ NPI 1487271540 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code1041C0700X

License✔ Licensed in CT · 12772

Definition

A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

Also ListedCounselor · Addiction (Substance Use Disorder)Taxonomy 101YA0400X · License 1440 (CT)

Also ListedSocial WorkerTaxonomy 104100000X · License 5493 (CT)

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

232 CEDAR ST, New Haven, CT 06519

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sierra Elizabeth Gallagi Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Sierra Gallagi reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cornell Scott Hill Health Corporation

0.4 mi

Federally Qualified Health Center (FQHC)

400-428 COLUMBUS AVENUE
New Haven, CT 06519

Reassigned Medicare billing, Connecticut enrollment
468 clinicians in this Medicare group

NPI 1902921380 (203) 503-3000

Joanne L Montgomery, LLC

9.1 mi

Clinical

57 PLAINS RD STE 1E
Milford, CT 06461

Reassigned Medicare billing, Connecticut enrollment
3 clinicians in this Medicare group

NPI 1215426903 (203) 913-6439

Liberation Programs Inc

14 mi

Adult Mental Health

399 MILL HILL AVE
Bridgeport, CT 06610

Reassigned Medicare billing, Connecticut enrollment
22 clinicians in this Medicare group

NPI 1316067481 (888) 822-2270

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 06519 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$0.00 typical visit price

range $60.82 – $183.10

Typical copayment $0.00 (range $15.20 – $45.77)

Most-billed visit code NA

Established Patient

$75.55 typical visit price

range $19.76 – $149.26

Typical copayment $18.88 (range $4.94 – $37.31)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ELIZABETH HOLCOMB RN

Registered Nurse (Addiction (Substance Use Disorder))

232 CEDAR ST
NEW HAVEN, CT 06519

South Central Connecticut Planning Region (203) 503-3300

LISA J ADAMS LMFT

Marriage & Family Therapist

232 CEDAR ST
NEW HAVEN, CT 06519

South Central Connecticut Planning Region (203) 503-3300

KAREN WANG M.D.

Internal Medicine

232 CEDAR ST
NEW HAVEN, CT 06519

South Central Connecticut Planning Region (203) 503-2200

KADIESHA WEBLEY LCSW

Social Worker (Clinical)

232 CEDAR ST, SCRC
NEW HAVEN, CT 06519

South Central Connecticut Planning Region (203) 503-3300

MICHAEL MCGOWAN

Social Worker

232 CEDAR ST
NEW HAVEN, CT 06519

South Central Connecticut Planning Region (203) 503-3300

SAKKUNA THIM

Counselor

232 CEDAR ST
NEW HAVEN, CT 06519

South Central Connecticut Planning Region (203) 503-3300

HEATHER M ELDER

Marriage & Family Therapist

232 CEDAR ST
NEW HAVEN, CT 06519

South Central Connecticut Planning Region (203) 503-3300

DEJA FLEURY LMSW

Social Worker (Clinical)

232 CEDAR ST
NEW HAVEN, CT 06519

South Central Connecticut Planning Region (203) 503-3000

LORI A BAILY

Registered Nurse

232 CEDAR ST
NEW HAVEN, CT 06519

South Central Connecticut Planning Region (203) 503-3300

JENNIFER M EVANS

Registered Nurse

232 CEDAR ST
NEW HAVEN, CT 06519

South Central Connecticut Planning Region (203) 503-3300

MAURICE EDWARDS BUNNELL APRN

Nurse Practitioner (Psychiatric/Mental Health)

232 CEDAR ST
NEW HAVEN, CT 06519

South Central Connecticut Planning Region (203) 503-3300

STEPHANIE D FROST

Registered Nurse

232 CEDAR ST
NEW HAVEN, CT 06519

South Central Connecticut Planning Region (203) 503-3300

SHARON WILSON

Counselor (Addiction (Substance Use Disorder))

232 CEDAR ST
NEW HAVEN, CT 06519

South Central Connecticut Planning Region (203) 503-3300

CAROLIN E HART MALOOF LMSW

Social Worker

232 CEDAR ST, SCRC
NEW HAVEN, CT 06519

South Central Connecticut Planning Region (203) 503-3300

ELAINE C RINSLAND RN

Registered Nurse

232 CEDAR ST
NEW HAVEN, CT 06519

South Central Connecticut Planning Region (203) 503-3300

LYSETTE ROSADO

Registered Nurse

232 CEDAR ST
NEW HAVEN, CT 06519

South Central Connecticut Planning Region (203) 503-3300

DEBRA PERRY RN

Registered Nurse (Addiction (Substance Use Disorder))

232 CEDAR ST
NEW HAVEN, CT 06519

South Central Connecticut Planning Region (203) 503-3300

LANEE NICHOLE WILLIAMS RN

Registered Nurse

232 CEDAR ST
NEW HAVEN, CT 06519

South Central Connecticut Planning Region (203) 503-3300

ANDREA LYN MURRELL

Registered Nurse

232 CEDAR ST
NEW HAVEN, CT 06519

South Central Connecticut Planning Region (203) 503-3613

CAMILLLA SANETA WRIGHT

Licensed Practical Nurse

232 CEDAR ST
NEW HAVEN, CT 06519

South Central Connecticut Planning Region (203) 503-3330

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 Sierra Gallagi's NPI number?

The NPI number for Sierra Gallagi is 1487271540. It was assigned to this individual provider in the NPPES registry on July 6, 2020.

Where is Sierra Gallagi located?

Sierra Gallagi practices at 232 Cedar St, New Haven, CT 06519. The listed phone number is (203) 503-3300.

What is Sierra Gallagi's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Sierra Gallagi enrolled in Medicare?

Yes. Sierra Gallagi is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Sierra Gallagi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sierra Gallagi reassigns Medicare benefits to 3 organizations: Cornell Scott Hill Health Corporation (New Haven, CT), Joanne L Montgomery, LLC (Milford, CT) and Liberation Programs Inc (Bridgeport, 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 Sierra Gallagi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sierra Gallagi accept?

Health plans from Anthem Blue Cross and Blue Shield list Sierra Gallagi 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 Sierra Gallagi was last updated on March 15, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.