Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Mr. David J Derosier Jr., ACNPC-AG, CPNP-AC

Individual provider Pediatric Nurse Practitioner · NPI 1053935072

Mr. David J Derosier Jr., ACNPC-AG, CPNP-AC is a Nurse Practitioner in Worcester, Massachusetts. Qualified in 2019, 7 years ago. Practices with Hospitalist Physicians of Massachusetts PC, a 85-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
7
Licensed in
MA
In the registry since
2020
Specialties on file
3

Practice location Address checks out

55 Lake Ave N Pediatric Critical Care
Worcester, MA 01655-0002
Phone: (774) 442-2164
Fax: (774) 443-2062
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (4)

  • 300 Longwood Ave, Boston, MA 02115-5724 — (617) 355-6000
  • 119 Belmont St, Worcester, MA 01605-2903 — (774) 441-6468
  • 123 Summer St, Worcester, MA 01608-1216 — (508) 363-5000
  • 55 Lake Ave N, Worcester, MA 01655-0002 — (774) 441-6468

Specialties & licences

Acute Care Nurse Practitioner (primary) Taxonomy 363LA2100X · Licence RN269379 (MA)
Pediatric Nurse Practitioner Taxonomy 363LP0200X · Licence RN269379 (MA)
Nurse Practitioner Taxonomy 363L00000X · Licence RN269379 (MA)

Record details

NPI number1053935072
Entity typeIndividual (Type 1)
GenderMale
Credentials ACNPC-AG , CPNP-AC
Sole proprietorNo
NPI enumeratedJune 5, 2020
Last updated in NPPESDecember 12, 2025
Certification dateDecember 12, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Hospitalist Physicians Of Massachusetts Pc — 85 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Hospitalist Physicians of Massachusetts PC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 85 clinicians in the practice; 12 are shown here.

Other providers in Worcester