Doctor profile · Federal record
Dr. Gregory Lewis, MD
Cardiovascular Disease Physician (CMS: Advanced Heart Failure and Transplant Cardiology) · Internal Medicine Physician · Boston, MA
- NPI 1750365664
- Accepts Medicare
- 27 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
55 Fruit St, Grb 740 Bigelow Teaching Service Inpatient & Cardiolog
Boston, MA 021142696
(617) 724-7436 - Mailing address
-
Po Box 9142, Mass General Physician Organization
Charlestown, MA 021299142
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- November 28, 2012
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 207RC0000X — NUCC code
- State license (1)
- Massachusetts #210023
- Medicaid
- MA #2033861
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1750365664. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
604
Distinct HCPCS
7
Medicare allowed
$80,374
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 188 | 58 | $126 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 128 | 105 | $193 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 105 | 88 | $16 | |
99291 |
Critical care, first 30-74 minutes | 85 | 27 | $225 | |
94621 |
Test for exercise-induced heart and lung stress | 55 | 55 | $71 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 28 | 25 | $180 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 15 | 11 | $140 |
In context: peer comparison
Among 134 peers in Boston Cardiovascular Disease Physician, average services per provider: 118. This provider delivers 5.1× the peer median.Open Payments
Industry payments received
All-time total
$25,217
Transactions
7
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Pharmacosmos Therapeutics INC. | 2 | $16,620.90 | |
| American Regent | 1 | $4,320.00 | |
| Edwards Lifesciences Corporation | 2 | $4,025.00 | |
| Abbott Laboratories | 2 | $251.09 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
261
Patients
51
Total drug cost
$624,284
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Jardiance (Empagliflozin) | Brand | 72 | 20 | $83,480 |
| Metoprolol Succinate | Generic | 38 | 19 | $1,264 |
| Spironolactone | Generic | 27 | 12 | $307 |
| Entresto (Sacubitril/Valsartan) | Brand | 24 | 0 | $30,301 |
| Atorvastatin Calcium | Generic | 17 | 0 | $377 |
| Furosemide | Generic | 13 | 0 | $102 |
| Losartan Potassium | Generic | 13 | 0 | $233 |
| Eliquis (Apixaban) | Brand | 12 | 0 | $11,534 |
| Vyndamax (Tafamidis) | Brand | 12 | 0 | $269,560 |
| Sildenafil Citrate | Generic | 11 | 0 | $4,866 |
Frequently asked questions
What is Dr. Gregory Lewis's medical specialty?
Dr. Gregory Lewis practices Cardiovascular Disease Physician in Boston, MA.
Where does Dr. Gregory Lewis practice?
Dr. Gregory Lewis practices at 55 Fruit St, Boston, MA 021142696. Office phone: 6177247436.
What is Dr. Gregory Lewis's NPI?
Dr. Gregory Lewis's National Provider Identifier (NPI) is 1750365664, issued by NPPES.
Does Dr. Gregory Lewis accept Medicare assignment?
Yes. Dr. Gregory Lewis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Lewis commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99215); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.