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

Dr. Charles John Hammer III, MD

Individual provider Dermatology Physician · NPI 1063456226

Dr. Charles John Hammer III, MD is a Dermatology in Littleton, New Hampshire. Graduated from University of Maryland School of Medicine in 1987, 39 years ago. Practices with Dartmouth-Hitchcock Clinic, a 1,430-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New Hampshire and Vermont.

Years since qualifying
39
Trained at
University of Maryland School of Medicine
Licensed in
NH, VT
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

580 Saint Johnsbury Rd Dh - Dermatology
Littleton, NH 03561-3437
Phone: (603) 444-2002
Show map & directions

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

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence 9247 (NH)
Dermatology Physician Taxonomy 207N00000X · Licence 042-0008974 (VT)

Record details

NPI number1063456226
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 16, 2006
Last updated in NPPESDecember 29, 2013

Medicare enrollment

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

Medicare specialtyDERMATOLOGY
Medical schoolUNIVERSITY OF MARYLAND SCHOOL OF MEDICINE
Graduated 1987 (39 years in practice)
Group practice Dartmouth-Hitchcock Clinic — 1430 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare