Nicholas Leaver
NPI 1306138722 · Emergency Medicine Physician · New York, NY
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Leaver is a Emergency Medicine Physician provider in New York, NY (NPI 1306138722).
Provider details
- NPI number
- 1306138722
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- Yes
- License
- 13886 (NV)
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
15 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
391 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 191 | $167 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 102 | $8 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 71 | $115 |
| Critical Care, First 30-74 Minutes99291 | 27 | $204 |
Typical Medicare-allowed amounts for these services range $8–$204 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 26 | 22 |
| Prednisone | 22 | 21 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 19 | 18 |
| Cephalexin | 18 | 13 |
| Ondansetronbrand: Ondansetron Odt | 18 | 18 |
| Doxycycline Hyclate | 17 | 17 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-05-03
- Last updated
- 2011-05-03
Frequently asked questions
- What is Nicholas Leaver's NPI number?
- Nicholas Leaver's National Provider Identifier (NPI) is 1306138722, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Leaver's specialty?
- Nicholas Leaver is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Leaver located?
- Nicholas Leaver's practice location on file with NPPES is 400 W 128th St Apt 53a, New York, NY 10027-2858.
- What is Nicholas Leaver's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Leaver is (646) 409-7579.
- Does Nicholas Leaver accept Medicare?
- Nicholas Leaver is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Leaver's NPI active?
- Yes — Nicholas Leaver's NPI (1306138722) is active in the NPPES registry as of the last update on 2011-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.