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

Dr. Jeffrey Aaron Horenstein, MD, PHD

Individual provider Emergency Medicine Physician · NPI 1073834081

Dr. Jeffrey Aaron Horenstein, MD, PHD is an Emergency Medicine in Oak Bluffs, Massachusetts. Graduated from University of Pittsburgh School of Medicine in 2010, 16 years ago. Practices with Martha's Vineyard Hospital Inc, a 142-clinician group and accepts Medicare assignment. Licensed in Massachusetts.

Years since qualifying
16
Trained at
University of Pittsburgh School of Medicine
Licensed in
MA
In the registry since
2010
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

1 Hospital Rd
Oak Bluffs, MA 02557-1477
Phone: (508) 693-0410
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 255204 (MA)

Record details

NPI number1073834081
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorYes
NPI enumeratedJune 14, 2010
Last updated in NPPESApril 25, 2016

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF PITTSBURGH SCHOOL OF MEDICINE
Graduated 2010 (16 years in practice)
Group practice Martha'S Vineyard Hospital Inc — 142 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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