Gregory Lewis, MD
NPI 1750365664 · Cardiovascular Disease Physician · Boston, MA
Enrolled with Medicare as Practitioner - Advanced Heart Failure and Transplant Cardiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gregory Lewis, MD is a Cardiovascular Disease Physician provider in Boston, MA (NPI 1750365664).
Provider details
- NPI number
- 1750365664
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 210023 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
661 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 180 | $196 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 167 | $123 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 123 | $16 |
| Critical Care, First 30-74 Minutes99291 | 70 | $218 |
| 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 | 47 | $17 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Empagliflozinbrand: Jardiance | 83 | 29 |
| Spironolactone | 63 | 26 |
| Sacubitril/Valsartanbrand: Entresto | 63 | 19 |
| Metoprolol Succinate | 57 | 28 |
| Atorvastatin Calcium | 46 | 17 |
| Dapagliflozin Propanediolbrand: Farxiga | 37 | 12 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$25,217 across 7 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
- 2005-12-05
- Last updated
- 2012-11-28
Frequently asked questions
- What is Gregory Lewis's NPI number?
- Gregory Lewis's National Provider Identifier (NPI) is 1750365664, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Lewis's specialty?
- Gregory Lewis is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Lewis located?
- Gregory Lewis's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2696.
- What is Gregory Lewis's phone number?
- The practice phone number listed in the NPPES registry for Gregory Lewis is (617) 724-7436.
- Does Gregory Lewis accept Medicare?
- Gregory Lewis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gregory Lewis's NPI active?
- Yes — Gregory Lewis's NPI (1750365664) is active in the NPPES registry as of the last update on 2012-11-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.