Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jill Robin Siskind, APRN

Acute Care Nurse Practitioner in Southbridge, MA · enumerated 2005.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1497741680

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Registry record

Entity type Individual (Type 1)

Name Jill Robin Siskind

Credential APRN

Sex Female

Practice address 100 South St, Southbridge, MA, 01550

Phone (508) 765-9771

Fax (508) 909-7735

Enumeration date Sep 22, 2005

Last updated in NPPES Dec 21, 2011

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License E37913 (CT) Secondary

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 001917 (CT) Secondary

363LA2100X Acute Care Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License RN134682 (MA) Primary

APRN · Advanced Practice Registered Nurse: An umbrella credential covering NPs, CRNAs, CNMs, and clinical nurse specialists. About the APRN credential

Other identifiers

Identifier	Type	State	Issuer
004190188	Medicaid	CT	-
400001917CT01	Other	CT	ANTHEM BCBS
191700	Other	CT	CONNECTICAR

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Jill Siskind?

Jill Siskind is registered in NPPES with the primary taxonomy of Acute Care Nurse Practitioner. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

Other providers at this practice address

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John Tumolo Cardiovascular Disease Physician · Southbridge, MA NPI 1720089063 George Horsley Physician Assistant · Southbridge, MA NPI 1780678631 Mark Simonelli Obstetrics & Gynecology Physician · Southbridge, MA NPI 1598759334 Hugh Cooper Ophthalmology Physician · Southbridge, MA NPI 1942296561 Hugh M. Cooper MD PC Ophthalmology Physician · Southbridge, MA NPI 1881680874 Christine Carey Obstetrics & Gynecology Physician · Southbridge, MA NPI 1740277813 Marsha Fearing Pediatrics Physician · Southbridge, MA NPI 1023007184 Tanya Lucas Anesthesiology Physician · Southbridge, MA NPI 1952392698

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-12-21.