JILLIAN L GRIFFIN LCSW, LADC
NPI 1649790411
Social Worker - Clinical in Wallingford, CT

Active since June 22, 2017PECOS Enrolled
300 CHURCH ST STE 204, WALLINGFORD, CT 06492(203) 314-0940 Get Directions Write a Review

NPPES record last updated: April 21, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 21, 2021, Nov 27, 2020, Jun 22, 2017 (3 updates tracked since 2017).

About Jillian L Griffin Lcsw, Ladc NPPES

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

JILLIAN L GRIFFIN LCSW, LADC (NPI 1649790411) is an individual clinical provider in Wallingford, Connecticut, licensed in Connecticut (9781) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1649790411
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameJILLIAN L GRIFFINCredential: LCSW, LADC
Location Address300 CHURCH ST STE 204Wallingford, CT 06492-2253
Mailing Address300 Church St Ste 204Wallingford, CT 06492-2253 · (203) 314-0940
Sole ProprietorYes
Enumeration DateJune 22, 2017
Last NPPES UpdateApril 21, 20213 updates tracked since enumeration
NPPES CertifiedApril 21, 2021
✔ NPI 1649790411 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CT · 9781
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 1172 (CT)
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
300 CHURCH ST STE 204, Wallingford, CT 06492

Secondary Practice Locations 2

Location 1830 Sherman AveHamden, CT 06514-1147 · Phone (203) 288-4325
Location 26 Way Rd Ste 130Middlefield, CT 06455-3007 · Phone (203) 314-0940

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jillian L Griffin Lcsw, Ladc 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 Reassignment

Medicare enrollment records show Jillian Griffin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

General Acute Care Hospital
20 YORK ST
New Haven, CT 06504
  • Reassigned Medicare billing, Connecticut enrollment
  • 130 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 06492 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 4

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

Counselor (Addiction (Substance Use Disorder))
300 CHURCH ST STE 204
WALLINGFORD, CT 06492
Nurse Practitioner (Psychiatric/Mental Health)
300 CHURCH ST STE 204
YALESVILLE, CT 06492
Counselor (Mental Health)
300 CHURCH ST STE 204
WALLINGFORD, CT 06492
Psychiatry & Neurology (Psychiatry)
300 CHURCH ST STE 204
WALLINGFORD, CT 06492

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 Jillian Griffin's NPI number?

The NPI number for Jillian Griffin is 1649790411. It was assigned to this individual provider in the NPPES registry on June 22, 2017.

Where is Jillian Griffin located?

Jillian Griffin practices at 300 Church St Ste 204, Wallingford, CT 06492. The listed phone number is (203) 314-0940.

What is Jillian Griffin's specialty?

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

Is Jillian Griffin enrolled in Medicare?

Yes. Jillian Griffin is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jillian Griffin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jillian Griffin reassigns Medicare benefits to Yale New Haven Hospital (New Haven, CT). The 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 Jillian Griffin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jillian Griffin accept?

Health plans from Anthem Blue Cross and Blue Shield list Jillian Griffin 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 Jillian Griffin was last updated on April 21, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.