Ravin Defonseka, MD
Internal Medicine Physician · Stamford, CT
Ravin Defonseka, MD is an internal medicine physician with a practice address in Stamford, Connecticut, and NPI 1205413085, issued on Mar 26, 2021. Check the license on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Ravin Defonseka
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- DR.0073481 CO
Self-reported in NPPES; status is on the state search - Practice location
- 1 Hospital Plz, Stamford, CT 06902
- Phone
- (203) 276-7147
- Enumerated
- Mar 26, 2021
- Record last updated
- Aug 6, 2024
- Medicare enrollment
- Enrolled (PECOS I20240826001169); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1 Hospital Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Seun Adeyemi-Jones, M.D.Internal Medicine Physician1811335821
- Mathias Aihiokhai, PA-CPhysician Assistant1003270497
- Kiana AkhundzadehStudent in an Organized Health Care Education/Training Program1558115584
- Rachael AldermanStudent in an Organized Health Care Education/Training Program1912891318
- Kelsey AllenMedical Physician Assistant1326774282
- Micah Ambrose, DOEmergency Medicine Physician1962999482
Verify Ravin Defonseka in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average internal medicine physician in 2024
309 Medicare Part D claims for 93 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium30 claims
- Metformin Hcl17 claims
- Jardiance16 claims
- Lisinopril16 claims
- Losartan Potassium13 claims
- Omeprazole13 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.
Bills Medicare through 2 group practices
- Firstdoc PCDenver, CO
- Hospital Medicine Services OF Colorado, LLCEnglewood, CO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
131 internal medicine physician records list a practice address in Stamford
They are 131 of the 2,774 NPPES records with a practice address in Stamford, and 2,623 internal medicine physician records in Connecticut.
All 131 in Stamford → All 2,623 in Connecticut → Every provider in Stamford →
Other internal medicine physician records in Connecticut
- Hoda Abdel Salam, M.D.New Britain, CT1144509316
- Gada Abdelhafiz, MDNew London, CT1467649558
- Racha Abi Melhem, MDDerby, CT1902471352
- Gerard Abidor, D.O.Bridgeport, CT1518014539
- Lilyan AbrahamFarmington, CT1447693254
- Richard Abraham, M.D.Canton, CT1023044252
- Odaliz Abreu-Lanfranco, MDNew Haven, CT1538276134
- Kenneth Abriola, MDGlastonbury, CT1083693022
- Florentino Abueg, MDSouthbury, CT1649372558
- Nila Aburto, MDStamford, CT1396325718
Common questions
What is Ravin Defonseka, MD's NPI number?
Ravin Defonseka, MD's National Provider Identifier (NPI) is 1205413085, issued on Mar 26, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Ravin Defonseka, MD located?
The NPPES record lists a practice address at 1 Hospital Plz, Stamford, CT, 06902. Phone: (203) 276-7147. Providers update this record themselves, so call before visiting.
How can I verify Ravin Defonseka, MD's license?
Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ravin Defonseka, MD prescribe under Medicare Part D?
In 2024, Ravin Defonseka, MD had 309 Medicare Part D claims for 93 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.