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

Dr. Joseph P O'Brien

Individual provider Internal Medicine Physician · NPI 1689618860

Dr. Joseph P O'Brien is an Internal Medicine in Clifton, New Jersey. Graduated from New York Medical College in 1998, 28 years ago. Practices with Summit Medical Group PA, a 1,205-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New Jersey.

Years since qualifying
28
Trained at
New York Medical College
Licensed in
NJ
In the registry since
2006
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Practice location Address checks out

6 Brighton Rd 2nd Fl
Clifton, NJ 07012-1647
Phone: (973) 777-7911
Fax: (973) 777-5403
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MA72214 (NJ)

Record details

NPI number1689618860
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJune 16, 2006
Last updated in NPPESJuly 10, 2019
Mailing address1 Diamond Hill Road, Berkeley Heights, NJ 07922-2104

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 1998 (28 years in practice)
Group practice Summit Medical Group Pa — 1205 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Clifton