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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MS. DIANE F. SWEET LCSW
NPI 1376534503
Social Worker - Clinical in East Williston, NY

Active since November 05, 2005PECOS Enrolled
26 OGDEN AVE, EAST WILLISTON, NY 11596(516) 248-2218(516) 248-2218 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Ms. Diane F. Sweet Lcsw NPPES

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

MS. DIANE F. SWEET LCSW (NPI 1376534503) is an individual clinical provider in East Williston, New York, licensed in New York (0291771R) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS and is a graduate of Other (1982).

NPPES Registry Identity

NPI1376534503
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. DIANE F. SWEETCredential: LCSW
Location Address26 OGDEN AVEEast Williston, NY 11596-2414
Mailing Address26 Ogden AveEast Williston, NY 11596-2414 · (516) 248-2218 · Fax (516) 248-2218
Phone(516) 248-2218
Fax(516) 248-2218
Sole ProprietorNo
Medical School CMSOtherGraduated 1982
Enumeration DateNovember 5, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1376534503 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in NY · 0291771R
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.
26 OGDEN AVE, East Williston, NY 11596
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Other Identifiers 2

Other094798NY · Value Options
Other7402911NY · Ghi

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Diane F. Sweet 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.

PECOS PAC ID6709971237
PECOS Enrollment IDI20070928000419
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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 45 minutes 90834
Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.
249 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11596 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 $67.40 – $203.53
Typical copayment $0.00 (range $16.85 – $50.88)
Most-billed visit code NA
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
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.

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 Diane Sweet's NPI number?

The NPI number for Diane Sweet is 1376534503. It was assigned to this individual provider in the NPPES registry on November 5, 2005.

Where is Diane Sweet located?

Diane Sweet practices at 26 Ogden Ave, East Williston, NY 11596. The listed phone number is (516) 248-2218.

What is Diane Sweet's specialty?

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

Is Diane Sweet enrolled in Medicare?

Yes. Diane Sweet 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.

What insurance does Diane Sweet accept?

Health plans from Providence Health Plan list Diane Sweet 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 Diane Sweet was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 days 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.