Mary Castonguay , NP
Nurse Practitioner • Worcester, MA
Professional Overview & Biography Verified Profile Summary
Mary Castonguay, NP is a registered healthcare professional specializing in Nurse Practitioner in Worcester, MA. Practice services are available at 55 LAKE AVE N under active NPI credentials.
Practice Location & Contact Primary Location
55 Lake Ave N
Department Of Pulmonary Medicine
Worcester, MA 016550002
Specialty Benchmarks & Practice Insights
Comparative analytics for Nurse Practitioner in Worcester, MA
Practicing in Worcester, MA (3545 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
NUCC Taxonomy Code: 363L00000X
(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.
Additional State Medicaid & Healthcare Payer Identifiers
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Physician Assistant
Physician Assistant (Certified)
Nurse Practitioner
Nurse Practitioner
Nurse Practitioner
Nurse Practitioner
Nurse Practitioner
Nurse Practitioner
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
NPI status registered as active in NPPES database
Registered at 55 LAKE AVE N, DEPARTMENT OF PULMONARY MEDICINE, WORCESTER, MA 016550002 (Tel: 5088562781)
Registered at PO BOX 415348, BOSTON, MA 022415348
Recorded as MARY CASTONGUAY, NP
Nurse Practitioner (License #241433 in MA)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
Po Box 415348
Boston, MA 022415348
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