Gregory Piazza, M.D.
NPI 1326006818 · Cardiovascular Disease Physician · Boston, MA
Enrolled with Medicare as Practitioner - Cardiovascular Disease (cardiology) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Piazza, M.D. is a Cardiovascular Disease Physician provider in Boston, MA (NPI 1326006818).
Provider details
- NPI number
- 1326006818
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 217298 (MA)
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
1,449 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 Report Only93010 | 884 | $8 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 234 | $151 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 103 | $179 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 81 | $121 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 57 | $190 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 347 | 83 |
| Rosuvastatin Calcium | 239 | 64 |
| Atorvastatin Calcium | 208 | 66 |
| Metoprolol Succinate | 148 | 48 |
| Rivaroxabanbrand: Xarelto | 97 | 28 |
| Lisinopril | 54 | 17 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$25,551 across 27 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)
- 55 Fruit StBoston, MA 02114-2696Phone: (866) 644-8910
Registry dates
- Enumerated
- 2006-05-03
- Last updated
- 2026-03-31
- Certified
- 2026-03-31
Frequently asked questions
- What is Gregory Piazza's NPI number?
- Gregory Piazza's National Provider Identifier (NPI) is 1326006818, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Piazza's specialty?
- Gregory Piazza is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Piazza located?
- Gregory Piazza's practice location on file with NPPES is 75 Francis St, Boston, MA 02115-6110.
- What is Gregory Piazza's phone number?
- The practice phone number listed in the NPPES registry for Gregory Piazza is (617) 525-7053.
- Does Gregory Piazza accept Medicare?
- Gregory Piazza is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Piazza's NPI active?
- Yes — Gregory Piazza's NPI (1326006818) is active in the NPPES registry as of the last update on 2026-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.