Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mrs. Donna M. Trees-Barker, ANP

Individual provider Adult Health Nurse Practitioner · NPI 1710131412

Mrs. Donna M. Trees-Barker, ANP is a Nurse Practitioner in Hampton Bays, New York. Graduated from State University of New York at Stony Brook, School of Medicine in 1994, 32 years ago. Practices with Chs Physician Partners PC, a 747-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
32
Trained at
State University of New York at Stony Brook, School of Medicine
Licensed in
NY
In the registry since
2008
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Practice location Partly verified

Some contact details are missing from the federal record.

Hampton Medical Care 145 West Montauk Hwy
Hampton Bays, NY 11946
Phone: (631) 728-8035
Fax: (631) 732-4534
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence F301231 (NY)

Record details

NPI number1710131412
Entity typeIndividual (Type 1)
GenderFemale
Credentials ANP
Sole proprietorYes
NPI enumeratedNovember 7, 2008
Last updated in NPPESOctober 30, 2023

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolSTATE UNIVERSITY OF NEW YORK AT STONY BROOK, SCHOOL OF MEDICINE
Graduated 1994 (32 years in practice)
Group practice Chs Physician Partners Pc — 747 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Hampton Bays