National Provider Identifier Database

WILLIAM C DORION, CNP – NPI #1609403922
Nurse Practitioner

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.


Contact Information

WILLIAM C DORION, CNP
55 LAKE AVE N
WORCESTER, MA01655-0002
Phone: 508-421-1400
Fax: 508-421-1490
Website:
Specialty Taxonomy Code
* Nurse Practitioner 363L00000X
Emergency Medical Technician, Basic 146N00000X
Registered Nurse 163W00000X

* Indicates primary specialty

NPI Profile & details for WILLIAM C DORION

NPI Number 1609403922
Credentials CNP (Certified Nurse Practitioner)
Entity Individual
Enumeration date 03/25/2020
Last updated 07/14/2025 - About 11 months ago
Sole proprietor1 No
Identifiers
  • CT License #: 12.013832
  • MA License #: E0910097
  • MA License #: RN2291576
  • MA Medicaid: 110161526A
Hospital affiliation n/a

1 A sole proprietor/sole proprietorship is an individual, and as such, is eligible for a single NPI number. The sole proprietor must apply for the NPI number using his or her own Social Security Number (SSN), not an Employer Identification Number (EIN) even if he/she has an EIN.

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