Gregg Nezowitz, MD
NPI 1619945730 · Emergency Medicine Physician · Royal Palm Beach, FL
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregg Nezowitz, MD is a Emergency Medicine Physician provider in Royal Palm Beach, FL (NPI 1619945730).
Provider details
- NPI number
- 1619945730
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- ME0075671 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,264 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 345 | $92 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 266 | $113 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 144 | $129 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus87426 | 130 | $35 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 98 | $170 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus and Influenza |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Hyclate | 236 | 234 |
| Ipratropium Bromide | 120 | 116 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 74 | 69 |
| Cefdinir | 72 | 68 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 55 | 54 |
| Ciprofloxacin Hcl | 26 | 25 |
| Methylprednisolone | 23 | 23 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-14
- Last updated
- 2007-07-09
Frequently asked questions
- What is Gregg Nezowitz's NPI number?
- Gregg Nezowitz's National Provider Identifier (NPI) is 1619945730, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregg Nezowitz's specialty?
- Gregg Nezowitz is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregg Nezowitz located?
- Gregg Nezowitz's practice location on file with NPPES is 1021 North State Rd. 7, Royal Palm Beach, FL 33411.
- What is Gregg Nezowitz's phone number?
- The practice phone number listed in the NPPES registry for Gregg Nezowitz is (561) 333-9331.
- Does Gregg Nezowitz accept Medicare?
- Gregg Nezowitz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregg Nezowitz's NPI active?
- Yes — Gregg Nezowitz's NPI (1619945730) is active in the NPPES registry as of the last update on 2007-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.