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Dr. Jeffrey Aaron Horenstein, MD, PhD
NPI1073834081PAC ID0941442073
- Medicare services, 2019
- 42
- Part D claims, 2024
- 342
- Publications
- 1
- Hospital affiliations
- 1
- Medical groups
- 3
- Practice address
- One Hospital Road, First Fl, Wing 5, PO Box 1477, Oak Bluffs, MA 02557
- Practice phone
- Call (508) 693-0410
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Horenstein's professional email, personal email and mobile number
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Dr. Jeffrey Aaron Horenstein is an emergency medicine physician in Oak Bluffs, Massachusetts
Dr. Horenstein practices at Martha's Vineyard Hospital in Oak Bluffs, Massachusetts, part of Mass General Brigham.
Dr. Horenstein's NPI, 1073834081, was assigned on June 14, 2010. Dr. Horenstein graduated from University of Pittsburgh School of Medicine in 2010. Dr. Horenstein holds Massachusetts license 255204.
NPI and contact details
- NPI
- 1073834081NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0941442073
- NPI enumeration date
- June 14, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (508) 693-0410
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jeffrey Aaron Horenstein practices at 2 locations in Oak Bluffs, Massachusetts
Dr. Horenstein's primary practice is Martha's Vineyard Hospital, at One Hospital Road, First Fl, Wing 5, PO Box 1477, Oak Bluffs, MA 02557 in Dukes County. The practice phone is (508) 693-0410. Dr. Horenstein also practices at Martha's Vineyard Hospital, 1 Hospital Way, Oak Bluffs, MA 02557.
- Martha's Vineyard HospitalPrimaryOne Hospital Road, First Fl, Wing 5, PO Box 1477, Oak Bluffs, MA 02557 · Dukes CountyPhone(508) 693-0410
- Martha's Vineyard Hospital1 Hospital Way, Oak Bluffs, MA 02557 · Dukes CountyPhone(508) 693-0410
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data
Dr. Jeffrey Aaron Horenstein is affiliated with 2 sites of care and 3 medical groups
Dr. Horenstein's primary practice is Martha's Vineyard Hospital in Oak Bluffs, Massachusetts, part of Mass General Brigham. The medical group on file is Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center. Dmand AI also links Dr. Horenstein to 2 more medical groups and 1 senior living community, each named with a free account. Dr. Horenstein's employer is on file too: a hospital.
Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center2 medical groupsNames with a free account1 senior living communityName with a free accountEmployer: hospitalName with a free account
See all 5 affiliations for Dr. HorensteinSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jeffrey Aaron Horenstein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Horenstein practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Martha's Vineyard Hospital | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Jeffrey Aaron Horenstein is one of 1,483 emergency medicine physicians in Massachusetts
Emergency medicine is Dr. Horenstein's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Horenstein is licensed in Massachusetts.
Specialties and state licenses
- Emergency medicine, MassachusettsPrimary
Emergency medicine physicians near Dr. Horenstein
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
1,483emergency medicine physicians in Massachusetts15emergency medicine physicians in Oak Bluffs14emergency medicine physicians at Martha's Vineyard Hospital
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Jeffrey Aaron Horenstein billed Medicare for 42 services in 2019
CMS data shows 42 Medicare services from Dr. Horenstein across 2 procedure codes in 2019. Medicare paid $3,439 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 201942
Paid by Medicare$3,439
Procedure codes2
Dr. Horenstein's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 2712019: 2392%
- Tests and treatments
- 2018: 142019: 1936%
Dr. Horenstein compared with the Massachusetts median for emergency medicine physicians, 2019
- Dr. Horenstein
- Massachusetts median
- Medicare services
- 42vs 34188% below
- Part D claims
- 94vs 362.6 times
Medians across 1,477 emergency medicine physicians in Massachusetts with Dmand AI profiles that report each measure.
Dr. Horenstein's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Horenstein and other emergency medicine physicians in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jeffrey Aaron Horenstein's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Dr. Horenstein's median patient age at 75, with 49% women.
Dr. Horenstein's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women49%
- Men51%
Source: Dmand AI Patient Panel Data
Dr. Jeffrey Aaron Horenstein wrote 342 Medicare Part D claims in 2024
In 2024, Dr. Horenstein wrote 342 Medicare Part D claims for 59 patients. 92% of them were for generic drugs. CMS names the drug for 94 of them, across 6 drugs with 11 or more claims each, at $774 in total drug cost. In 2023, CMS named 42 claims across 3 drugs.
Part D claims, 2024342
Drugs named by CMS6
Total drug cost$774
Part D patients59
Dr. Horenstein's Part D claims by kind of drug, 2024
- Generic314 claims92%
- Brand-name28 claims8%
Dr. Horenstein's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Horenstein's Part D claims, 2024
- Antibiotics11%39 of 342 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 422024: 94124%
Drugs named by CMS: 6 in 2024, 3 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Jeffrey Aaron Horenstein takes part in Medicare
Dr. Horenstein accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Jeffrey Aaron Horenstein has 1 publication on record
Dmand AI links 1 paper to Dr. Horenstein in 2014. Dr. Horenstein's most frequent co-authors are Matthew J. Bivens, MD and Alok K. Gupta, MD.
Papers1
Dr. Horenstein's most frequent co-authors
Recent publications by Dr. Horenstein
See who Dr. Horenstein researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Horenstein works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Jeffrey Aaron Horenstein graduated from University of Pittsburgh School of Medicine
Dr. Horenstein graduated from University of Pittsburgh School of Medicine in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jeffrey Aaron Horenstein's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Jeffrey Aaron Horenstein
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Jeffrey Aaron Horenstein's NPI number?
Dr. Jeffrey Aaron Horenstein's NPI number is 1073834081. It was assigned on June 14, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Jeffrey Aaron Horenstein?
Dr. Jeffrey Aaron Horenstein is an emergency medicine physician in Oak Bluffs, Massachusetts. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Jeffrey Aaron Horenstein practice?
Dr. Horenstein practices at One Hospital Road, First Fl, Wing 5, PO Box 1477, Oak Bluffs, MA 02557. Dr. Horenstein also practices at 1 Hospital Way, Oak Bluffs, MA 02557. Dr. Horenstein's primary practice is Martha's Vineyard Hospital in Oak Bluffs, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Horenstein to 2 medical groups and 1 senior living community.
What is Dr. Jeffrey Aaron Horenstein's office phone number?
The practice phone on file for Dr. Horenstein is (508) 693-0410.
What is Dr. Jeffrey Aaron Horenstein's medical license number?
Dr. Horenstein holds Massachusetts license 255204.
Which hospitals is Dr. Jeffrey Aaron Horenstein affiliated with?
Dr. Horenstein practices at Martha's Vineyard Hospital in Oak Bluffs, Massachusetts.
What medical group is Dr. Jeffrey Aaron Horenstein part of?
Dr. Horenstein is linked to Harvard Medical Faculty Physicians at Beth Israel Deaconess Medical Center. Dmand AI links Dr. Horenstein to 2 more medical groups.
Does Dr. Jeffrey Aaron Horenstein accept Medicare?
Yes. CMS data shows Dr. Horenstein billed Medicare for 42 services in 2019, and Dr. Horenstein accepts Medicare assignment.
What services does Dr. Jeffrey Aaron Horenstein bill to Medicare?
In 2019, Dr. Horenstein's most billed Medicare services were emergency department visit (99285) and heart test or procedure (93010).
Where did Dr. Jeffrey Aaron Horenstein go to medical school?
Dr. Horenstein graduated from University of Pittsburgh School of Medicine in 2010.
Show 4 more questionsShow fewer questions
What drugs does Dr. Jeffrey Aaron Horenstein prescribe most?
In 2024 Medicare Part D data, Dr. Horenstein's most prescribed drugs by claims were Prednisone, Ondansetron ODT and Zolpidem Tartrate.
How long has Dr. Jeffrey Aaron Horenstein been practicing?
Dr. Horenstein graduated from medical school in 2010, 16 years ago.
Does Dr. Jeffrey Aaron Horenstein do research?
Dmand AI links 1 publication to Dr. Horenstein.
Who does Dr. Jeffrey Aaron Horenstein publish with?
Dr. Horenstein's most frequent co-authors are Matthew J. Bivens, MD (1 shared paper) and Alok K. Gupta, MD (1 shared paper).
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