Dr. Stuart Horowitz, DO
- Medicare services, 2024
- 22,091
- Medicare patients, 2024
- 459
- Part D claims, 2024
- 6,458
- Industry payments
- $13,565
- Affiliated sites
- 3
- Practice address
- 4900 Hempstead Turnpike, Farmingdale, NY 11735
- Practice phone
- Call (516) 752-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ronald C Fagan MD
Farmingdale, New York
Find Dr. Horowitz'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. Stuart Horowitz is a family medicine physician in Farmingdale, New York
Dr. Horowitz practices at Ronald C Fagan MD in Farmingdale, New York.
Dr. Horowitz's NPI, 1972661155, was assigned on December 4, 2006. Dr. Horowitz graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 1977. Dr. Horowitz holds New York license 134589.
- NPI
- 1972661155NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3678524246
- NPI enumeration date
- December 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (516) 752-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 75
- Medical school graduation
- 1977
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stuart Horowitz practices at Ronald C Fagan MD in Farmingdale, New York
Dr. Horowitz's primary practice is Ronald C Fagan MD, at 4900 Hempstead Turnpike, Farmingdale, NY 11735 in Nassau County. The practice phone is (516) 752-7000.
- Ronald C Fagan MD4900 Hempstead Turnpike, Farmingdale, NY 11735 · Nassau CountyPhone(516) 752-7000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Stuart Horowitz is affiliated with 4 sites of care and 1 medical group
Dr. Horowitz's primary practice is Ronald C Fagan MD in Farmingdale, New York. The medical group on file is Long Island Medical Group. Dmand AI also links Dr. Horowitz to 2 more home health agencies and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Stuart Horowitz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Horowitz practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ronald C Fagan MD | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stuart Horowitz is one of 5,260 family medicine physicians in New York
Family medicine is Dr. Horowitz's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Horowitz is licensed in New York.
Specialties and state licenses
- Family medicine, New YorkPrimary
Family medicine physicians near Dr. Horowitz
Counts of family medicine physicians 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. Stuart Horowitz billed Medicare for 22,091 services in 2024
CMS data shows 22,091 Medicare services from Dr. Horowitz across 69 procedure codes in 2024, for 459 Medicare patients. Medicare paid $673,275 for them. Every service was in an office.
Dr. Horowitz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 17,5582024: 15,85810%
- Office and hospital visits
- 2023: 3,2042024: 3,75917%
- Tests and treatments
- 2023: 8582024: 860No change
- Surgery
- 2023: 6682024: 669No change
- Other services
- 2023: 3072024: 58390%
- Imaging
- 2023: 3632024: 31613%
- Drugs given in the office
- 2023: 532024: 4613%
Dr. Horowitz compared with the New York median for family medicine physicians, 2024
- Dr. Horowitz
- New York median
- Medicare services
- 22,091vs 31869.5 times
- Medicare patients
- 459vs 1293.6 times
- Part D claims
- 5,818vs 1,0725.4 times
Medians across 5,237 family medicine physicians in New York with Dmand AI profiles that report each measure.
Dr. Horowitz's most billed Medicare procedure codes, 2024
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. Horowitz and other family medicine physicians in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stuart Horowitz treated 459 Medicare patients in 2024, average age 75
CMS counts 459 Medicare patients who saw Dr. Horowitz in 2024. The largest group is 75 to 84, with 195 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.04, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Horowitz's median patient age at 64, with 42% women.
Dr. Horowitz's Medicare patients by age, 2024
Dr. Horowitz's Medicare patients by sex, 2024
- Women22749%
- Men23251%
Chronic conditions among Dr. Horowitz's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease51%
- Arthritis49%
- Diabetes35%
- COPD29%
- Anxiety26%
- Cancer16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Horowitz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women42%
- Men55%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stuart Horowitz wrote 6,458 Medicare Part D claims in 2024
In 2024, Dr. Horowitz wrote 6,458 Medicare Part D claims for 533 patients. 91% of them were for generic drugs. CMS names the drug for 5,818 of them, across 95 drugs with 11 or more claims each, at $343,428 in total drug cost. In 2023, CMS named 5,920 claims across 94 drugs.
Dr. Horowitz's Part D claims by kind of drug, 2024
- Generic5,891 claims91%
- Brand-name533 claims8%
- Other34 claims1%
Dr. Horowitz'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. Horowitz's Part D claims, 2024
- Opioids1%53 of 6,458 claims
- Antibiotics9%582 of 6,458 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: 5,9202024: 5,8182%
Drugs named by CMS: 95 in 2024, 94 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
Dr. Stuart Horowitz offers telehealth to Medicare patients
Dr. Horowitz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Horowitz as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Stuart Horowitz received $13,565 in industry payments from 2016 to 2025
CMS Open Payments shows 735 general payments to Dr. Horowitz from 51 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $2,738.
General payments to Dr. Horowitz by program year, 2016 to 2025
General payments to Dr. Horowitz by kind, 2016 to 2025
- Food and beverage$13,45599%
- Gifts$941%
- Education$160%
Companies that paid Dr. Horowitz the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stuart Horowitz graduated from Des Moines University of Osteopathic Medicine and Health Sciences
Dr. Horowitz graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 1977.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stuart Horowitz'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 Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| 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. Stuart Horowitz
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. Stuart Horowitz's NPI number?
Dr. Stuart Horowitz's NPI number is 1972661155. It was assigned on December 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stuart Horowitz?
Dr. Stuart Horowitz is a family medicine physician in Farmingdale, New York. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Stuart Horowitz practice?
Dr. Horowitz practices at 4900 Hempstead Turnpike, Farmingdale, NY 11735. Dr. Horowitz's primary practice is Ronald C Fagan MD in Farmingdale, New York. Dmand AI also links Dr. Horowitz to 2 home health agencies and 1 group practice or clinic.
What is Dr. Stuart Horowitz's office phone number?
The practice phone on file for Dr. Horowitz is (516) 752-7000.
What is Dr. Stuart Horowitz's medical license number?
Dr. Horowitz holds New York license 134589.
What medical group is Dr. Stuart Horowitz part of?
Dr. Horowitz is linked to Long Island Medical Group.
Does Dr. Stuart Horowitz accept Medicare?
Yes. CMS data shows Dr. Horowitz billed Medicare for 22,091 services in 2024, and Dr. Horowitz accepts Medicare assignment.
Does Dr. Stuart Horowitz offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Horowitz as offering telehealth services.
How many Medicare patients does Dr. Stuart Horowitz see?
CMS counts 459 Medicare patients who saw Dr. Horowitz in 2024, with an average age of 75.
What services does Dr. Stuart Horowitz bill to Medicare?
In 2024, Dr. Horowitz's most billed Medicare services were office visit, established patient (99214), care management and other visits (99442) and surgery: heart and blood vessels (36415).
Show 4 more questionsShow fewer questions
Where did Dr. Stuart Horowitz go to medical school?
Dr. Horowitz graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 1977.
What drugs does Dr. Stuart Horowitz prescribe most?
In 2024 Medicare Part D data, Dr. Horowitz's most prescribed drugs by claims were Metoprolol Succinate, Atorvastatin Calcium and Rosuvastatin Calcium.
Has Dr. Stuart Horowitz received payments from drug or device companies?
CMS Open Payments shows $13,565 in general payments to Dr. Horowitz from 51 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Stuart Horowitz been practicing?
Dr. Horowitz graduated from medical school in 1977, 49 years ago.
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