Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Janet N. Sullivan, M.D.

Dermatology Physician in Tarrytown, NY · enumerated 2006 · practices at John B Robbins MD PC.

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

National Provider Identifier

1316978042

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Registry record

Entity type Individual (Type 1)

Name Dr. Janet N. Sullivan

Credential M.D.

Sex Female

Practice address 303 S Broadway, Suite 321, Tarrytown, NY, 10591

Phone (914) 631-1611

Fax (914) 631-1615

Enumeration date Jul 5, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

207N00000X Dermatology Physician Allopathic & Osteopathic Physicians · License 35-062065 (OH) Secondary

207N00000X Dermatology Physician Allopathic & Osteopathic Physicians · License 208738 (NY) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
0947891	Medicaid	NY	-

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 is the NPI number for Janet Sullivan?

The National Provider Identifier (NPI) for Janet Sullivan is 1316978042, a Type 1 (individual) record in the CMS NPPES registry.

Where does Janet Sullivan practice?

The practice location on file with NPPES is in Tarrytown, NY. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.