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

Ramon Hendrik Guillen

Individual provider Internal Medicine Physician · NPI 1922732734

Ramon Hendrik Guillen is an Internal Medicine in Laconia, New Hampshire. Qualified in 2020, 6 years ago. Practices with Concord Hospital-Laconia, a 276-clinician group and accepts Medicare assignment. Licensed in New Hampshire.

Years since qualifying
6
Licensed in
NH
In the registry since
2022

Practice location Address checks out

724 N Main St
Laconia, NH 03246-2742
Phone: (603) 524-9201
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 34222 (NH)

Record details

NPI number1922732734
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJuly 16, 2022
Last updated in NPPESJune 26, 2025
Certification dateJune 26, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Concord Hospital-Laconia — 276 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Laconia