Jeffrey Aaron Horenstein, M.D., PH.D.
Emergency Medicine Physician · Oak Bluffs, MA
Jeffrey Aaron Horenstein, M.D., PH.D. is an emergency medicine physician with a practice address in Oak Bluffs, Massachusetts, and NPI 1073834081, issued on Jun 14, 2010. Check the license (Massachusetts 255204, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Jeffrey Aaron Horenstein
- Credential
- M.D., PH.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 255204 MA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Hospital Road, Oak Bluffs, MA 02557
- Phone
- (508) 693-0410
- Enumerated
- Jun 14, 2010
- Record last updated
- Apr 25, 2016 (not updated in 10 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130820000242); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 2010
- Entity
- Type 1 · individual
Also registered at 1 Hospital Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Prudy Carter-Donovan, NP-CFamily Nurse Practitioner1750721312
- Beth Donnelly, MDInternal Medicine Physician1235195207
- Stephen London, M.D.Anesthesiology Physician1487744868
- Kevin Mabie, M.D.Orthopaedic Surgery Physician1992743116
- Michael Michotek, M.D.Internal Medicine Physician1346445392
- Lateefah Pree, PAPhysician Assistant1124279286
Verify Jeffrey Aaron Horenstein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 255204Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% more Medicare Part D claims than the average emergency medicine physician in 2024
342 Medicare Part D claims for 59 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Prednisone22 claims
- Ondansetron Odt17 claims
- Zolpidem Tartrate17 claims
- Topiramate15 claims
- Atorvastatin Calcium12 claims
- Azithromycin11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
One hospital affiliation
- Martha's Vineyard Hospital IncOak Bluffs, MA · Critical Access Hospitals4 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
6 emergency medicine physician records list a practice address in Oak Bluffs
They are 6 of the 143 NPPES records with a practice address in Oak Bluffs, and 1,829 emergency medicine physician records in Massachusetts.
All 6 in Oak Bluffs → All 1,829 in Massachusetts → Every provider in Oak Bluffs →
Other emergency medicine physician records in Massachusetts
- Emily Aaronson, M.D.Boston, MA1962791558
- Sharif Abdel Jalil, PHARM. D., MDWorcester, MA1649795758
- Menahem Abraham, M.D.Beverly, MA1720113889
- Aser AbrhaBoston, MA1568102796
- Jorge Acevedo Herman, MDWorcester, MA1447955000
- Matthew Adamo, DOFalmouth, MA1912446972
- Austin AdamsBoston, MA1861139388
- Sapana Adhikari, M.D.Boston, MA1902870694
- Jamie Adler, MDBoston, MA1659765790
- Jonathan Adler, MDBoston, MA1609851500
Common questions
What is Jeffrey Aaron Horenstein, M.D., PH.D.'s NPI number?
Jeffrey Aaron Horenstein, M.D., PH.D.'s National Provider Identifier (NPI) is 1073834081, issued on Jun 14, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey Aaron Horenstein, M.D., PH.D. located?
The NPPES record lists a practice address at 1 Hospital Road, Oak Bluffs, MA, 02557. Phone: (508) 693-0410. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey Aaron Horenstein, M.D., PH.D.'s license?
NPPES lists Massachusetts license number 255204, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jeffrey Aaron Horenstein, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Jeffrey Aaron Horenstein, M.D., PH.D. had 342 Medicare Part D claims for 59 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.