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

Nancy C Haff, MD

Individual provider Internal Medicine Physician · NPI 1922411867

Nancy C Haff, MD is an Internal Medicine Physician in Wellesley, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2014.

Licensed in
MA
In the registry since
2014
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

70 Hastings St Ste 200
Wellesley, MA 02481-5439
Phone: (781) 772-8600
Fax: (781) 772-5600
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 269993 (MA)

Record details

NPI number1922411867
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 9, 2014
Last updated in NPPESJanuary 9, 2026
Certification dateJanuary 9, 2026
Mailing address70 Hastings St Ste 200, Wellesley, MA 02481-5439

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