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

Heidi Hallonquist, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1477613388

Heidi Hallonquist, MD is an Obstetrics/Gynecology in Concord, New Hampshire. Graduated from Geisel School of Medicine at Dartmouth in 2001, 25 years ago. Practices with Concord Hospital Inc, a 569-clinician group and accepts Medicare assignment. Licensed in New Hampshire.

Years since qualifying
25
Trained at
Geisel School of Medicine at Dartmouth
Licensed in
NH
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

246 Pleasant Street Memorial Bldg West Fl 1
Concord, NH 03301-5046
Phone: (603) 228-1111
Fax: (603) 226-4314
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence NH12702 (NH)

Record details

NPI number1477613388
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 11, 2006
Last updated in NPPESJuly 13, 2020
Certification dateJuly 13, 2020
Mailing address246 Pleasant Street Memorial Building, West, Floor 1, Concord, NH 03301-5046

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolGEISEL SCHOOL OF MEDICINE AT DARTMOUTH
Graduated 2001 (25 years in practice)
Group practice Concord Hospital Inc — 569 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Concord