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

MS. Heidemarie Grattan, ANP

Individual provider Adult Health Nurse Practitioner · NPI 1427382456

MS. Heidemarie Grattan, ANP is an Adult Health Nurse Practitioner in Baiting Hollow, New York. Practices as a sole proprietor. Licensed in New York.

Licensed in
NY
In the registry since
2009

Practice location Address checks out

15 Kimberly Ct
Baiting Hollow, NY 11946 Not confirmed with CMS for 17 years — call before visiting
Phone: (631) 728-4700
Show map & directions

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

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence F304429-1 (NY)

Record details

NPI number1427382456
Entity typeIndividual (Type 1)
GenderFemale
Credentials ANP
Sole proprietorYes
NPI enumeratedSeptember 23, 2009
Last updated in NPPESSeptember 23, 2009