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

John Paul O'Brien, DO

Individual provider Family Medicine Physician · NPI 1417480351

John Paul O'Brien, DO is a Family Practice in East Boston, Massachusetts. Graduated from West Virginia School of Osteopathic Medicine in 2016, 10 years ago. Practices with Harbor Health Services Inc, a 56-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
10
Trained at
West Virginia School of Osteopathic Medicine
Licensed in
MA
In the registry since
2017
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

10 Gove St
East Boston, MA 02128-1920
Phone: (617) 569-5800
Fax: (617) 568-4756
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 289475 (MA)

Record details

NPI number1417480351
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 7, 2017
Last updated in NPPESSeptember 17, 2021
Certification dateSeptember 17, 2021
Mailing address326 Nichols Rd, Fitchburg, MA 01420-1914

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolWEST VIRGINIA SCHOOL OF OSTEOPATHIC MEDICINE
Graduated 2016 (10 years in practice)
Group practice Harbor Health Services Inc — 56 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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