William Blau, MD
NPI 1326084757 · Cardiovascular Disease Physician · Great Neck, NY
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Blau, MD is a Cardiovascular Disease Physician provider in Great Neck, NY (NPI 1326084757).
Provider details
- NPI number
- 1326084757
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 171316 (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
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
10,175 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 | 2,236 | $16 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 2,042 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 2,006 | $146 |
| Technetium Tc-99m Sestamibi, Diagnostic, Per Study DoseA9500 | 591 | $125 |
| Ultrasound of Heart With Color-Depicted Blood Flow, Rate, Direction and Valve Function93306 | 533 | $217 |
| Urinalysis, Manual Test81002 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 134 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 1,412 | 444 |
| Metoprolol Succinate | 1,277 | 365 |
| Ezetimibe | 1,195 | 298 |
| Amlodipine Besylate | 1,189 | 336 |
| Atorvastatin Calcium | 1,149 | 343 |
| Levothyroxine Sodium | 701 | 166 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$125 across 5 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
Registry dates
- Enumerated
- 2006-06-22
- Last updated
- 2021-02-25
- Certified
- 2021-02-25
Frequently asked questions
- What is William Blau's NPI number?
- William Blau's National Provider Identifier (NPI) is 1326084757, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Blau's specialty?
- William Blau is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is William Blau located?
- William Blau's practice location on file with NPPES is 310 E Shore Rd, Great Neck, NY 11023-2432.
- What is William Blau's phone number?
- The practice phone number listed in the NPPES registry for William Blau is (516) 829-9550.
- Does William Blau accept Medicare?
- William Blau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Blau's NPI active?
- Yes — William Blau's NPI (1326084757) is active in the NPPES registry as of the last update on 2021-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.