Gregory D. Lewis, MD
Cardiovascular Disease Physician · Boston, MA
Gregory D. Lewis, MD is a cardiovascular disease physician with a practice address in Boston, Massachusetts, and NPI 1750365664, issued on Dec 5, 2005. Check the license (Massachusetts 210023, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Gregory D. Lewis
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- 210023 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Fruit St, Boston, MA 02114
- Phone
- (617) 724-7436
- Enumerated
- Dec 5, 2005
- Record last updated
- Nov 28, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 2033861 MA
- Medicare enrollment
- Enrolled (PECOS I20040413000139); accepts Medicare assignment
- Medical or professional school
- University Of Rochester School Of Medicine And Dentistry, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 1,080 in Massachusetts → Look up another NPI →
Also registered at 55 Fruit St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Matthew AbadirAnesthesiology Physician1699120550
- Taimur AbbasiInternal Medicine Physician1841673522
- Megan Abbott, MDAnesthesiology Physician1730839333
- Moustafa AbdallaStudent in an Organized Health Care Education/Training Program1952046062
- Shadi Abdar Esfahani, MD, MPHDiagnostic Radiology Physician1497137590
Verify Gregory D. Lewis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 210023Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
636 Medicare Part D claims for 117 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 39% of claims.
Most prescribed
- Jardiance83 claims
- Entresto63 claims
- Spironolactone63 claims
- Metoprolol Succinate57 claims
- Atorvastatin Calcium46 claims
- Farxiga37 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $25,216.99
7 payments; by number, the most common kind was consulting fee; the largest payer was Pharmacosmos Therapeutics Inc. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Massachusetts General Physicians Organization IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory D. Lewis among 1,080 cardiovascular disease physician records in Massachusetts
Gregory D. Lewis, MD is one of 1,080 cardiovascular disease physician records with a practice address in Massachusetts. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 83% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1999 · median 2001 among the 698 with a school on file
- Record last updated2012 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
476 cardiovascular disease physician records list a practice address in Boston
They are 476 of the 41,865 NPPES records with a practice address in Boston, and 1,080 cardiovascular disease physician records in Massachusetts.
All 1,080 in Massachusetts → Every provider in Boston → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- Anjum Butte, MDBoston, MA 021141104807379
- William Carlson, MD PHDBoston, MA 021141669462180
- Michael Fifer, MDBoston, MA 021141730170630
- Edwin Heist, MD PHDBoston, MA 021141255313334
- Judy Hung, MDBoston, MA 021141003898461
- Calum Macrae, MDBoston, MA 021141467442665
- James McFarland, MDBoston, MA 021141497745798
- Theofanie Mela, MDBoston, MA 021141366423832
Common questions
What is Gregory D. Lewis, MD's NPI number?
Gregory D. Lewis, MD's National Provider Identifier (NPI) is 1750365664, issued on Dec 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gregory D. Lewis, MD located?
The NPPES record lists a practice address at 55 Fruit St, Boston, MA, 02114. Phone: (617) 724-7436. Providers update this record themselves, so call before visiting.
How can I verify Gregory D. Lewis, MD's license?
NPPES lists Massachusetts license number 210023, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gregory D. Lewis, MD prescribe under Medicare Part D?
In 2024, Gregory D. Lewis, MD had 636 Medicare Part D claims for 117 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.