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

Marc A Winiecki, DO

Individual provider Family Medicine Physician · NPI 1205940533

Marc A Winiecki, DO is a Family Medicine Physician in Jaffrey, New Hampshire. Licensed in New Hampshire. Registered with an NPI since 2006.

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

82 Peterborough St
Jaffrey, NH 03452-5860
Phone: (603) 532-8775
Fax: (603) 532-7482
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 14578 (NH)

Record details

NPI number1205940533
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedAugust 17, 2006
Last updated in NPPESMay 26, 2011
Mailing address82 Peterborough St, Jaffrey, NH 03452-5860

Other providers in Jaffrey