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

Robert J O'Brien

Individual provider Dermatology Physician · NPI 1568566420

Robert J O'Brien is a Dermatology in Winchester, Massachusetts. Graduated from Tufts University School of Medicine in 1986, 40 years ago. Practices with Robert J Obrien Jr MD and Assoc PC, a 19-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
40
Trained at
Tufts University School of Medicine
Licensed in
MA
In the registry since
2006

Practice location Address checks out

955 Main St Ste G-6
Winchester, MA 01890-1961
Phone: (781) 729-4878
Show map & directions

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

Specialties & licences

Dermatology Physician (primary) Taxonomy 207N00000X · Licence 72781 (MA)

Record details

NPI number1568566420
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedSeptember 12, 2006
Last updated in NPPESApril 17, 2013
Mailing address63 Swan Rd, Winchester, MA 01890-3719

Medicare enrollment

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

Medicare specialtyDERMATOLOGY
Medical schoolTUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1986 (40 years in practice)
Group practice Robert J Obrien Jr Md And Assoc Pc — 19 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Winchester