William Slater, M.D.
NPI 1376531087 · Cardiovascular Disease Physician · New York, NY
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Slater, M.D. is a Cardiovascular Disease Physician provider in New York, NY (NPI 1376531087).
Provider details
- NPI number
- 1376531087
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 142165 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
3,247 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 1,460 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 904 | $142 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 571 | $101 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 83 | $185 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 66 | $199 |
| Heart Rhythm Review and Interpretation of Continous External Ekg Over 8-15 Days |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 84 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 820 | 181 |
| Atorvastatin Calcium | 723 | 217 |
| Metoprolol Succinate | 518 | 155 |
| Rosuvastatin Calcium | 502 | 157 |
| Amlodipine Besylate | 366 | 111 |
| Furosemide | 316 | 112 |
| Rivaroxaban |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$53 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 550 1st AveHw244New York, NY 10016-6402Phone: (212) 263-5667
Registry dates
- Enumerated
- 2005-10-07
- Last updated
- 2021-04-02
- Certified
- 2021-04-02
Frequently asked questions
- What is William Slater's NPI number?
- William Slater's National Provider Identifier (NPI) is 1376531087, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Slater's specialty?
- William Slater is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is William Slater located?
- William Slater's practice location on file with NPPES is 530 1st Ave # 9u, New York, NY 10016-6402.
- What is William Slater's phone number?
- The practice phone number listed in the NPPES registry for William Slater is (212) 263-7463.
- Does William Slater accept Medicare?
- William Slater is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Slater's NPI active?
- Yes — William Slater's NPI (1376531087) is active in the NPPES registry as of the last update on 2021-04-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.