Stuart Horowitz, DO
NPI 1972661155 · Family Medicine Physician · Massapequa, NY
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stuart Horowitz, DO is a Family Medicine Physician provider in Massapequa, NY (NPI 1972661155).
Provider details
- NPI number
- 1972661155
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 134589 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
22,045 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,741 | $150 |
| Telephone Medical Discussion With Physician, 11-20 Minutes99442 | 980 | $106 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 669 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 634 | $10 |
| Glutamyltransferase (liver Enzyme) Level82977 | 632 | $7 |
| Lactate Dehydrogenase (enzyme) Level83615 | 632 | $6 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 95 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 540 | 149 |
| Atorvastatin Calcium | 399 | 124 |
| Rosuvastatin Calcium | 283 | 91 |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide | 255 | 77 |
| Omeprazole | 193 | 71 |
| Losartan Potassium | 184 | 60 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,678 across 72 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-04
- Last updated
- 2008-05-16
Frequently asked questions
- What is Stuart Horowitz's NPI number?
- Stuart Horowitz's National Provider Identifier (NPI) is 1972661155, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stuart Horowitz's specialty?
- Stuart Horowitz is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stuart Horowitz located?
- Stuart Horowitz's practice location on file with NPPES is 99 Grand Ave, Massapequa, NY 11758-1203.
- What is Stuart Horowitz's phone number?
- The practice phone number listed in the NPPES registry for Stuart Horowitz is (516) 541-9700.
- Does Stuart Horowitz accept Medicare?
- Stuart Horowitz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stuart Horowitz's NPI active?
- Yes — Stuart Horowitz's NPI (1972661155) is active in the NPPES registry as of the last update on 2008-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.