Maxwell Horowitz, DO
NPI 1922637420 · Endocrinology, Diabetes & Metabolism Physician · West Palm Beach, FL
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maxwell Horowitz, DO is a Endocrinology, Diabetes & Metabolism Physician provider in West Palm Beach, FL (NPI 1922637420).
Provider details
- NPI number
- 1922637420
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- OS22188 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Empagliflozinbrand: Jardiance | 50 | 14 |
| Atorvastatin Calcium | 49 | — |
| Semaglutidebrand: Ozempic | 37 | — |
| Alendronate Sodium | 30 | — |
| Metformin Hcl | 29 | 11 |
| Pen Needle, Diabeticbrand: Ultra-Fine Mini Pen Needle | 25 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-06
- Last updated
- 2025-08-25
- Certified
- 2025-08-25
Frequently asked questions
- What is Maxwell Horowitz's NPI number?
- Maxwell Horowitz's National Provider Identifier (NPI) is 1922637420, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maxwell Horowitz's specialty?
- Maxwell Horowitz is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Maxwell Horowitz located?
- Maxwell Horowitz's practice location on file with NPPES is 1515 N Flagler Dr Ste 430, West Palm Beach, FL 33401-3430.
- What is Maxwell Horowitz's phone number?
- The practice phone number listed in the NPPES registry for Maxwell Horowitz is (561) 659-6336.
- Does Maxwell Horowitz accept Medicare?
- Maxwell Horowitz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maxwell Horowitz's NPI active?
- Yes — Maxwell Horowitz's NPI (1922637420) is active in the NPPES registry as of the last update on 2025-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.