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KATHRYN HAMMA CLAVIN-VUNKANNON LMSW, LCSW, CASAC
NPI 1114331410
Social Worker - Clinical in Manorville, NY

Active since June 13, 2014PECOS Enrolled
24 WINDING PATH, MANORVILLE, NY 11949(631) 905-9998 Get Directions Write a Review

NPPES record last updated: January 27, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 27, 2020, Jan 19, 2018 (2 updates tracked since 2018).

About Kathryn Hamma Clavin-vunkannon Lmsw, Lcsw, Casac NPPES

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

KATHRYN HAMMA CLAVIN-VUNKANNON LMSW, LCSW, CASAC (NPI 1114331410) is an individual clinical provider in Manorville, New York, licensed in New York (085891) and active in the NPI registry since June 2014. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1114331410
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameKATHRYN HAMMA CLAVIN-VUNKANNONCredential: LMSW, LCSW, CASAC
Location Address24 WINDING PATHManorville, NY 11949-2251
Mailing Address24 Winding PathManorville, NY 11949-2251 · (631) 905-9998
Phone(631) 905-9998
Sole ProprietorYes
Enumeration DateJune 13, 2014
Last NPPES UpdateJanuary 27, 20202 updates tracked since enumeration
✔ NPI 1114331410 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 NY · 085891
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 31376 (NY)
Also ListedSocial WorkerTaxonomy 104100000X · License 085650 (NY)
24 WINDING PATH, Manorville, NY 11949
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Other Names 1

Former Name (1)Kathryn Hamma Clavin

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Kathryn Hamma Clavin-vunkannon Lmsw, Lcsw, Casac 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

4

Medicare enrollment records show Kathryn Clavin-vunkannon reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Aid To The Developmentally Disabled, Inc
11 mi
Mental Health (Including Community Mental Health Center)
901 E MAIN ST STE 500
Riverhead, NY 11901
  • Reassigned Medicare billing, New York enrollment
  • 11 clinicians in this Medicare group
NPI 1912575762 (631) 727-6220
Sun River Health Inc
58 mi
Adult Day Care
1543-1545 INWOOD AVENUE, HUDSON RIVER HEALTHCARE ADULT DAY PROGRAM
Bronx, NY 10452
  • Reassigned Medicare billing, New York enrollment
  • 683 clinicians in this Medicare group
NPI 1740763275 (855) 681-8700
Grow Healthcare Group PA
1,121 mi
Mental Health
66 W FLAGLER ST STE 900
Miami, FL 33130
  • Reassigned Medicare billing, New York enrollment
  • 867 clinicians in this Medicare group
NPI 1245845932 (786) 244-7711
Brightside Medical, P.C.
2,633 mi
Psychiatry
5214F DIAMOND HEIGHTS BLVD # 345
San Francisco, CA 94131
  • Reassigned Medicare billing, New York enrollment
  • Medicare enrollment name: Brightside Medical PC
  • 42 clinicians in this Medicare group
NPI 1508325184 (415) 360-3348

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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, 30 minutes 90832
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 30-minute session, the therapist helps you explore feelings, thoughts, and behaviors to better understand yourself and manage life's challenges.
126 services17 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11949 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 Kathryn Clavin-vunkannon's NPI number?

The NPI number for Kathryn Clavin-vunkannon is 1114331410. It was assigned to this individual provider in the NPPES registry on June 13, 2014. The provider is also known as Kathryn Hamma Clavin.

Where is Kathryn Clavin-vunkannon located?

Kathryn Clavin-vunkannon practices at 24 Winding Path, Manorville, NY 11949. The listed phone number is (631) 905-9998.

What is Kathryn Clavin-vunkannon's specialty?

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

Is Kathryn Clavin-vunkannon enrolled in Medicare?

Yes. Kathryn Clavin-vunkannon is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Kathryn Clavin-vunkannon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kathryn Clavin-vunkannon reassigns Medicare benefits to 4 organizations: Aid To The Developmentally Disabled, Inc (Riverhead, NY), Sun River Health Inc (Bronx, NY), Grow Healthcare Group PA (Miami, FL) and Brightside Medical, P.C. (San Francisco, CA). 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 Kathryn Clavin-vunkannon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kathryn Clavin-vunkannon accept?

Health plans from UnitedHealthcare list Kathryn Clavin-vunkannon 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 Kathryn Clavin-vunkannon was last updated on January 27, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.