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

Joseph R Guarnaccia, DO

Individual provider Emergency Medicine Physician · NPI 1730123811

Joseph R Guarnaccia, DO is an Emergency Medicine in Concord, New Hampshire. Graduated from University of New England, College of Osteo Medicine in 2000, 26 years ago. Practices with Concord Hospital Inc, a 569-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in New Hampshire.

Years since qualifying
26
Trained at
University of New England, College of Osteo Medicine
Licensed in
NH
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

250 Pleasant St
Concord, NH 03301-2598
Phone: (603) 225-2711
Fax: (603) 224-6527
Show map & directions

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

Additional practice locations (1)

  • 1 Elliot Way, Manchester, NH 03103-3502 — (603) 663-2830

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 12260 (NH)

Record details

NPI number1730123811
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 16, 2006
Last updated in NPPESJuly 21, 2022
Certification dateJuly 21, 2022

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF NEW ENGLAND, COLLEGE OF OSTEO MEDICINE
Graduated 2000 (26 years in practice)
Group practice Concord Hospital Inc — 569 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Concord