Adel Bassily-Marcus, MD
Critical Care Medicine (Internal Medicine) Physician · New Haven, CT
Adel Bassily-Marcus, MD is a critical care medicine (internal medicine) physician with a practice address in New Haven, Connecticut, and NPI 1326014119, issued on Feb 23, 2006. Check the license (Connecticut 78812, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Adel Bassily-Marcus
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License numbers
- 78812 CT
221499 NY
Self-reported in NPPES; status is on the state search - Practice location
- 333 Cedar St, New Haven, CT 06510
- Phone
- (203) 785-6610
- Enumerated
- Feb 23, 2006
- Record last updated
- Aug 29, 2024
- Medicaid IDs
- 02393373 CT
1326014119 CT - Medicare enrollment
- Enrolled (PECOS I20241030001158); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 333 Cedar St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Khalid Abbed, MDNeurological Surgery Physician1386612026
- Wasan Abd Wahab, M.D.Neurology Physician1881380053
- Ghaith Abdulkarim, M.D.Critical Care Medicine (Anesthesiology) Physician1295021236
- Clara Abraham, MDGastroenterology Physician1629139456
- Aymen Alian, M.B.B.CH, M.D.Anesthesiology Physician1386803740
- Robert Alpern, MDNephrology Physician1477785285
Verify Adel Bassily-Marcus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 78812Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
14 Medicare Part D claims, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D.
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 one group practice
- Yale UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Connecticut
There are 40 critical care medicine (internal medicine) physician records in Connecticut.
Other critical care medicine (internal medicine) physician records in Connecticut
- Mubdiul Ali, M.D.New Haven, CT1548528565
- John-Paul Ayala, M.D.Trumbull, CT1740239912
- Hilary Cain, MDNew Haven, CT1184651069
- Astha ChichraNew Haven, CT1417189218
- Dana Crino, M.D.Farmington, CT1710924766
- Robbert Crusio, MDBridgeport, CT1316132962
- John Davis, M.D.New Haven, CT1124124144
- Angad Deengar, MDFarmington, CT1447771027
- Roland El Ghazal, M.D.New Haven, CT1649465469
- Tara Ferrante, MDHartford, CT1518549971
Common questions
What is Adel Bassily-Marcus, MD's NPI number?
Adel Bassily-Marcus, MD's National Provider Identifier (NPI) is 1326014119, issued on Feb 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Adel Bassily-Marcus, MD located?
The NPPES record lists a practice address at 333 Cedar St, New Haven, CT, 06510. Phone: (203) 785-6610. Providers update this record themselves, so call before visiting.
How can I verify Adel Bassily-Marcus, MD's license?
NPPES lists Connecticut license number 78812, as entered by the provider. 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 Adel Bassily-Marcus, MD prescribe under Medicare Part D?
In 2024, Adel Bassily-Marcus, MD had 14 Medicare Part D claims; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.