Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

ABIGAIL LILLIAN SULLIVAN
NPI 1528970142
Social Worker in Montrose, NY

Q: What is Abigail Sullivan's NPI number?

The NPI number for Abigail Sullivan is 1528970142. It was assigned to this individual provider in the NPPES registry on September 18, 2026.

Q: What is Abigail Sullivan's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Q: When was this NPI record last updated?

The NPPES record for Abigail Sullivan was last updated on September 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since September 18, 2026

2094 ALBANY POST RD, MONTROSE, NY 10548(914) 427-9596 Get Directions Write a Review

NPPES record added: September 18, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

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About Abigail Lillian Sullivan NPPES

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

ABIGAIL LILLIAN SULLIVAN (NPI 1528970142) is an individual social worker in Montrose, New York and active in the NPI registry since September 2026.

NPPES Registry Identity

NPI1528970142

Entity TypeIndividualMale

Primary Taxonomy104100000X

Provider Legal NameABIGAIL LILLIAN SULLIVAN

Location Address2094 ALBANY POST RDMontrose, NY 10548-1454

Mailing Address2094 Albany Post RdMontrose, NY 10548-1454 · (914) 427-9596

Phone(914) 427-9596

Sole ProprietorNo

Enumeration DateSeptember 18, 2026

NPPES CertifiedSeptember 18, 2026

✔ NPI 1528970142 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers

Taxonomy Code104100000X

Definition

A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

2094 ALBANY POST RD, Montrose, NY 10548

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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.

MRS. SOPHIA L PARKER LCSW-R

Social Worker (Clinical)

2094 ALBANY POST RD
MONTROSE, NY 10548

Westchester County (914) 737-4400

MR. PEDRO MARIO GONZALEZ MS, CTRS

Recreation Therapist

2094 ALBANY POST RD
MONTROSE, NY 10548

Westchester County (914) 737-4400

MS. EVELYN YVETTE HOLMES MSW, LCSW

Social Worker (Clinical)

2094 ALBANY POST RD
MONTROSE, NY 10548

Westchester County (914) 737-4400

DR. ROBERT CEDERQUIST M.D.

Pathology (Anatomic Pathology & Clinical Pathology)

2094 ALBANY POST RD
MONTROSE, NY 10548

Westchester County (845) 831-2000

MR. JASON VINCENT MASTROPAOLO LCSW

Social Worker (Clinical)

2094 ALBANY POST RD, VA HUDSON VALLEY HEALTH CARE SYSTEM
MONTROSE, NY 10548

Westchester County (914) 737-4400

ALYSSA SANCHEZ TORN

Social Worker (Clinical)

2094 ALBANY POST RD
MONTROSE, NY 10548

Westchester County (914) 737-4400

YAMILEX ANAIS TOMALA

Pharmacist

2094 ALBANY POST RD
MONTROSE, NY 10548

Westchester County (914) 737-4400

MS. ANNE A BISTLINE R.D.

Dietitian, Registered

2094 ALBANY POST RD
MONTROSE, NY 10548

Westchester County (914) 737-4400

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 Abigail Sullivan's NPI number?

The NPI number for Abigail Sullivan is 1528970142. It was assigned to this individual provider in the NPPES registry on September 18, 2026.

Where is Abigail Sullivan located?

Abigail Sullivan practices at 2094 Albany Post Rd, Montrose, NY 10548. The listed phone number is (914) 427-9596.

What is Abigail Sullivan's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Abigail Sullivan was last updated on September 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.