Conrad Mascarenhas
Addiction Psychiatry Physician · New Haven, CT
Conrad Mascarenhas is an addiction psychiatry physician with a practice address in New Haven, Connecticut, and NPI 1720722101, issued on Apr 22, 2022. Check the license (Connecticut 83894, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Conrad Mascarenhas
- Primary taxonomy
- Addiction Psychiatry Physician 2084P0802X
- License number
- 83894 CT
Self-reported in NPPES; status is on the state search - Practice location
- 34 Park St, New Haven, CT 06519
- Phone
- (301) 793-7753
- Enumerated
- Apr 22, 2022
- Record last updated
- Jun 22, 2026
- Entity
- Type 1 · individual
8 nearest addiction psychiatry physician records → All 30 in Connecticut → Look up another NPI →
Also registered at 34 Park St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Raina AggarwalStudent in an Organized Health Care Education/Training Program1154852374
- Mayra Aguirre, LCSWClinical Social Worker1326424938
- Edna Aklin, LCSWClinical Social Worker1407905805
- Milania Al-Jammaly, M.D.Psychiatry Physician1851704969
- Areej Ali, MDInternal Medicine Physician1629654629
- Margaret Allende, DNSC APRNClinical Nurse Specialist1386709756
Verify Conrad Mascarenhas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 83894Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average addiction psychiatry physician in 2024
31 Medicare Part D claims, against an average of 716 among the 421 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.
Conrad Mascarenhas among 30 addiction psychiatry physician records in Connecticut
Conrad Mascarenhas is one of 30 addiction psychiatry physician records with a practice address in Connecticut. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 93% of them.
- NPI issued2022 · 93% of these records are older, 0% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 33% of these records are
- Record last updated2026 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0802X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Addiction Psychiatry Physician providers in Connecticut
There are 30 addiction psychiatry physician records in Connecticut.
All 30 in Connecticut → Every provider in New Haven → Addiction Psychiatry Physician nationwide →
The 8 addiction psychiatry physician records with the nearest ZIP codes
- Leo GefterNew Haven, CT 065191164162087
- Newman Kessler, MDNew Haven, CT 065191194302570
- Borislav Meandzija, MDNew Haven, CT 065191992857619
- Maria Garcia Vassallo, M.D.West Haven, CT 065161669760708
- Kishorchandra Gonsai, MDWest Haven, CT 065161043308760
- Marie-Josee Lynch, M.D.West Haven, CT 065161528444346
- Ismene Petrakis, MDWest Haven, CT 065161295826626
- Shelby PowersWest Haven, CT 065161649808817
Common questions
What is Conrad Mascarenhas's NPI number?
Conrad Mascarenhas's National Provider Identifier (NPI) is 1720722101, issued on Apr 22, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Conrad Mascarenhas located?
The NPPES record lists a practice address at 34 Park St, New Haven, CT, 06519. Phone: (301) 793-7753. Providers update this record themselves, so call before visiting.
How can I verify Conrad Mascarenhas's license?
NPPES lists Connecticut license number 83894, 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 Conrad Mascarenhas prescribe under Medicare Part D?
In 2024, Conrad Mascarenhas had 31 Medicare Part D claims; the average among addiction psychiatry physician prescribers was 716. 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.