Sidharta P. Gangadharan, M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Boston, MA
Sidharta P. Gangadharan, M.D. is a thoracic surgery (cardiothoracic vascular surgery) physician with a practice address in Boston, Massachusetts, and NPI 1184656605, issued on Jul 7, 2006. Check the license (Massachusetts 158136, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Sidharta P. Gangadharan
- Credential
- M.D.
- Primary taxonomy
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician 208G00000X
- License number
- 158136 MA
Self-reported in NPPES; status is on the state search - Practice location
- Beth Israel Deaconess Med Ctr, Boston, MA 02215
- Phone
- (617) 632-8383
- Enumerated
- Jul 7, 2006
- Record last updated
- Apr 14, 2022
- Medicare enrollment
- Enrolled (PECOS I20050823000197); accepts Medicare assignment
- Medical or professional school
- Geisel School Of Medicine At Dartmouth, 1996
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest thoracic surgery (cardiothoracic vascular surgery) physician records → All 228 in Massachusetts → Look up another NPI →
Also registered at Beth Israel Deaconess Med Ctr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Sidharta P. Gangadharan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 158136Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sidharta P. Gangadharan among 228 thoracic surgery (cardiothoracic vascular surgery) physician records in Massachusetts
Sidharta P. Gangadharan, M.D. is one of 228 thoracic surgery (cardiothoracic vascular surgery) physician records with a practice address in Massachusetts. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 19% of them.
- NPI issued2006 · 19% of these records are older, 51% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1996 · median 1998 among the 131 with a school on file
- Record last updated2022 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208G00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician providers in Massachusetts
There are 228 thoracic surgery (cardiothoracic vascular surgery) physician records in Massachusetts.
All 228 in Massachusetts → Every provider in Boston → Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician nationwide →
The 8 thoracic surgery (cardiothoracic vascular surgery) physician records with the nearest ZIP codes
- Louis Chu, M.D.Boston, MA 022151326288473
- Robert Hagberg, MDBoston, MA 022151356333439
- Michael Kent, M.D.Boston, MA 022151023210218
- Kamal Khabbaz, M.D.Boston, MA 022151992731558
- Antonio Lassaletta, MDBoston, MA 022151225284441
- Sidney Levitsky, M.D.Boston, MA 022151346237260
- David Liu, MDBoston, MA 022151043210768
- Vicki Mahan, MDBoston, MA 022151932132214
Common questions
What is Sidharta P. Gangadharan, M.D.'s NPI number?
Sidharta P. Gangadharan, M.D.'s National Provider Identifier (NPI) is 1184656605, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sidharta P. Gangadharan, M.D. located?
The NPPES record lists a practice address at Beth Israel Deaconess Med Ctr, Boston, MA, 02215. Phone: (617) 632-8383. Providers update this record themselves, so call before visiting.
How can I verify Sidharta P. Gangadharan, M.D.'s license?
NPPES lists Massachusetts license number 158136, 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.
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.