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

Nicholas Marks, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1669448650

Nicholas Marks, MD is an Obstetrics/Gynecology in Littleton, New Hampshire. Graduated from University of Minnesota Medical School in 1998, 28 years ago. Practices with Littleton Hospital Association, a 110-clinician group and accepts Medicare assignment. Licensed in New Hampshire.

Years since qualifying
28
Trained at
University of Minnesota Medical School
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

580 St Johnsbury Rd
Littleton, NH 03561
Phone: (603) 444-9371
Fax: (603) 444-9075
Show map & directions

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

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 12267 (NH)

Record details

NPI number1669448650
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 28, 2006
Last updated in NPPESSeptember 3, 2014

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Graduated 1998 (28 years in practice)
Group practice Littleton Hospital Association — 110 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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