Steven Lomasky, M.D.
NPI 1891738456 · Endocrinology, Diabetes & Metabolism Physician · Rockville Centre, NY
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Lomasky, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Rockville Centre, NY (NPI 1891738456).
Provider details
- NPI number
- 1891738456
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 152077 (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
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
3,028 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,434 | $146 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 891 | $9 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 366 | $18 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 138 | $38 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 74 | $16 |
| Diabetes Outpatient Self-Management Training Services, Individual, Per 30 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 459 | 136 |
| Semaglutidebrand: Ozempic | 383 | 102 |
| Levothyroxine Sodiumbrand: Synthroid | 383 | 100 |
| Metformin Hclbrand: Metformin Hcl Er | 360 | 115 |
| Empagliflozinbrand: Jardiance | 232 | 65 |
| Dulaglutidebrand: Trulicity |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-13
- Last updated
- 2021-02-19
- Certified
- 2021-02-19
Frequently asked questions
- What is Steven Lomasky's NPI number?
- Steven Lomasky's National Provider Identifier (NPI) is 1891738456, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Lomasky's specialty?
- Steven Lomasky is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Steven Lomasky located?
- Steven Lomasky's practice location on file with NPPES is 242 Merrick Rd, Rockville Centre, NY 11570-5254.
- What is Steven Lomasky's phone number?
- The practice phone number listed in the NPPES registry for Steven Lomasky is (516) 536-3700.
- Does Steven Lomasky accept Medicare?
- Steven Lomasky is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Lomasky's NPI active?
- Yes — Steven Lomasky's NPI (1891738456) is active in the NPPES registry as of the last update on 2021-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.