Dr. Jay A. Horn, MD
- Medicare services, 2019
- 494
- Part D claims, 2020
- 178
- Industry payments
- $705
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 162 Kings Hwy N Ste 1 Suite 1, Westport, CT 06880-2425
- Practice phone
- Call (203) 226-0731
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Internal Medicine Of Westport
Primary care practice · Westport, Connecticut
Find Dr. Horn's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Jay A. Horn is an internist in Connecticut
Dr. Horn practices at Internal Medicine Of Westport in Westport, Connecticut.
Dr. Horn's NPI, 1013093731, was assigned on October 27, 2006. Dr. Horn graduated from Albert Einstein College of Medicine of Yeshiva University in 1984. Dr. Horn holds Connecticut license 028009.
- NPI
- 1013093731NPI Registry (opens in a new tab)
- NPI enumeration date
- October 27, 2006
- NPI status
- Active
- Practice phone
- (203) 226-0731
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jay A. Horn practices at Internal Medicine of Westport in Westport, Connecticut
Dr. Horn's primary practice is Internal Medicine of Westport, at 162 Kings Hwy N Ste 1 Suite 1, Westport, CT 06880-2425. The practice phone is (203) 226-0731.
- Internal Medicine of Westport162 Kings Hwy N Ste 1 Suite 1, Westport, CT 06880-2425Phone(203) 226-0731
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jay A. Horn is affiliated with 1 site of care and 1 medical group
Dr. Horn's primary practice is Internal Medicine Of Westport in Westport, Connecticut. Dmand AI also links Dr. Horn to 1 medical group, named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Jay A. Horn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Horn practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Internal Medicine Of Westport | Available with a free account |
| +1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Jay A. Horn is one of 2,189 internists in Connecticut
Internal medicine is Dr. Horn's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Horn is licensed in Connecticut.
Specialties and state licenses
- Internal medicine, ConnecticutPrimary
Internists near Dr. Horn
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Jay A. Horn billed Medicare for 494 services in 2019
CMS data shows 494 Medicare services from Dr. Horn across 7 procedure codes in 2019. Medicare paid $27,488 for them. Every service was in an office.
Dr. Horn's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 4042019: 35712%
- Tests and treatments
- 2018: 972019: 6533%
- Other services
- 2018: 982019: 6039%
- Lab and pathology
- 2018: 02019: 12
Dr. Horn compared with the Connecticut median for internists, 2019
- Dr. Horn
- Connecticut median
- Medicare services
- 494vs 39027% above
- Part D claims
- 178vs 34348% below
Medians across 2,185 internists in Connecticut with Dmand AI profiles that report each measure.
Dr. Horn'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.
Need commercial claims for Dr. Horn?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Horn and other internists in Connecticut.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jay A. Horn's patients have a median age of 66
Across all payers, Dmand AI patient panel data puts Dr. Horn's median patient age at 66, with 30% women.
Dr. Horn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women30%
- Men70%
Source: Dmand AI Patient Panel Data
Dr. Jay A. Horn wrote 178 Medicare Part D claims in 2020
In 2020, Dr. Horn wrote 178 Medicare Part D claims. They cover 7 drugs, with $3,059 in total drug cost. In 2019, CMS named 1,273 claims across 38 drugs.
Dr. Horn's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2019 to 2020
- 2019
- 2020
- Claims for drugs CMS names
- 2019: 1,2732020: 17886%
Drugs named by CMS: 7 in 2020, 38 in 2019.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Jay A. Horn received $705 in industry payments from 2016 to 2023
CMS Open Payments shows 35 general payments to Dr. Horn from 18 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $145.
General payments to Dr. Horn by program year, 2016 to 2023
Companies that paid Dr. Horn the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jay A. Horn graduated from Albert Einstein College of Medicine of Yeshiva University
Dr. Horn graduated from Albert Einstein College of Medicine of Yeshiva University in 1984.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jay A. Horn'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 | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Jay A. Horn
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. Jay A. Horn's NPI number?
Dr. Jay A. Horn's NPI number is 1013093731. It was assigned on October 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Jay A. Horn?
Dr. Jay A. Horn is an internist in Connecticut. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Jay A. Horn practice?
Dr. Horn practices at 162 Kings Hwy N Ste 1 Suite 1, Westport, CT 06880-2425. Dr. Horn's primary practice is Internal Medicine Of Westport in Westport, Connecticut. Dmand AI also links Dr. Horn to 1 medical group.
What is Dr. Jay A. Horn's office phone number?
The practice phone on file for Dr. Horn is (203) 226-0731.
What is Dr. Jay A. Horn's medical license number?
Dr. Horn holds Connecticut license 028009.
Does Dr. Jay A. Horn accept Medicare?
Yes. CMS data shows Dr. Horn billed Medicare for 494 services in 2019.
What services does Dr. Jay A. Horn bill to Medicare?
In 2019, Dr. Horn's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and medicare service (G0008).
Where did Dr. Jay A. Horn go to medical school?
Dr. Horn graduated from Albert Einstein College of Medicine of Yeshiva University in 1984.
What drugs does Dr. Jay A. Horn prescribe most?
In 2020 Medicare Part D data, Dr. Horn's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.
Has Dr. Jay A. Horn received payments from drug or device companies?
CMS Open Payments shows $705 in general payments to Dr. Horn from 18 companies from 2016 to 2023. The largest total came from Amgen Inc.
How long has Dr. Jay A. Horn been practicing?
Dr. Horn graduated from medical school in 1984, 42 years ago.
Selling to internal medicine practices?
See internists in Connecticut by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card