Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Penelope Jane Dillon, FNP-C ,PSYCH NP-C, C

Family Medicine Physician in Worcester, MA · enumerated 2006.

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

National Provider Identifier

1558393330

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Penelope Jane Dillon

Credential FNP-C ,PSYCH NP-C, C

Sex Female

Practice address 26 Queen Street, Worcester, MA, 01610

Phone (508) 860-7700

Fax (508) 860-7929

Enumeration date Jul 6, 2006

Last updated in NPPES Feb 9, 2009

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 122882 (MA) Secondary

207Q00000X Family Medicine Physician Allopathic & Osteopathic Physicians · License 122882 (MA) Primary

364SP0809X Adult Psychiatric/Mental Health Clinical Nurse Specialist Physician Assistants & Advanced Practice Nursing Providers · License 122882 NP (MA) Secondary

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 122882 NP (MA) Secondary

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 Penelope Dillon?

The National Provider Identifier (NPI) for Penelope Dillon is 1558393330, a Type 1 (individual) record in the CMS NPPES registry.

Where does Penelope Dillon practice?

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

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-02-09.