Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Rock H. Jean-Guillaume, DO

Individual provider Emergency Medicine Physician · NPI 1730157918

Rock H. Jean-Guillaume, DO is an Emergency Medicine in Holden, Massachusetts. Graduated from Michigan State University College of Osteopathic Medicine in 1998, 28 years ago. Practices with Acs Primary Care Physicians - Southeast PC, a 410-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
28
Trained at
Michigan State University College of Osteopathic Medicine
Licensed in
MA
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

5 Shrewsbury St Ste D
Holden, MA 01520
Phone: (508) 829-3800
Fax: (508) 829-3802
Show map & directions

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

Additional practice locations (2)

  • 2040 Boston Rd Ste 5, Wilbraham, MA 01095-1380 — (413) 599-3800
  • 55 Lake Ave N, Worcester, MA 01655-0002 — (508) 421-1400

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 215241 (MA)

Record details

NPI number1730157918
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 14, 2006
Last updated in NPPESNovember 22, 2020
Certification dateNovember 22, 2020

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1998 (28 years in practice)
Group practice Acs Primary Care Physicians - Southeast Pc — 410 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Holden