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

Individual provider Obstetrics & Gynecology Physician · NPI 1811959596

Karen S Ammerman, MD is an Obstetrics & Gynecology Physician in Webster, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
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

340 Thompson Rd
Webster, MA 01570-1509
Phone: (508) 368-3110
Fax: (508) 368-3113
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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 54768 (MA)

Record details

NPI number1811959596
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 6, 2006
Last updated in NPPESAugust 18, 2017