Robert Mazzeo, MD
NPI 1043240534 · Family Medicine Physician · Lake Ronkonkoma, NY
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Mazzeo, MD is a Family Medicine Physician provider in Lake Ronkonkoma, NY (NPI 1043240534).
Provider details
- NPI number
- 1043240534
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 162565 (NY)
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,234 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 | 410 | $104 |
| Assessment of Emotional Or Behavioral Problems96127 | 289 | $6 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 190 | $146 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 165 | $7 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 76 | $147 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 41 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 153 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 714 | 211 |
| Amlodipine Besylate | 421 | 127 |
| Metoprolol Succinate | 329 | 105 |
| Simvastatin | 319 | 91 |
| Metformin Hcl | 304 | 95 |
| Levothyroxine Sodium | 292 | 81 |
| Rosuvastatin Calcium |
Practice location
Mailing address
Additional practice locations (1)
- 1120 Little East Neck RoadWest Babylon, NY 11704Phone: (631) 669-7712Fax: (631) 669-7718
Registry dates
- Enumerated
- 2006-07-03
- Last updated
- 2025-10-27
- Certified
- 2025-10-27
Frequently asked questions
- What is Robert Mazzeo's NPI number?
- Robert Mazzeo's National Provider Identifier (NPI) is 1043240534, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Mazzeo's specialty?
- Robert Mazzeo is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Mazzeo located?
- Robert Mazzeo's practice location on file with NPPES is 640 Hawkins Ave, Lake Ronkonkoma, NY 11779-2324.
- What is Robert Mazzeo's phone number?
- The practice phone number listed in the NPPES registry for Robert Mazzeo is (631) 737-0100.
- Does Robert Mazzeo accept Medicare?
- Robert Mazzeo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Mazzeo's NPI active?
- Yes — Robert Mazzeo's NPI (1043240534) is active in the NPPES registry as of the last update on 2025-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.