Selvam Joseph Mascarenhas, M.D
Internal Medicine Physician · Newark, DE
Selvam Joseph Mascarenhas, M.D is an internal medicine physician with a practice address in Newark, Delaware, and NPI 1326075698, issued on Jun 26, 2006. Check the license (Delaware C1-0008046, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Selvam Joseph Mascarenhas
- Credential
- M.D
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- C1-0008046 DE
Self-reported in NPPES; status is on the state search - Practice location
- 111 Continental Dr, Newark, DE 19713
- Phone
- (302) 368-2630
- Enumerated
- Jun 26, 2006
- Record last updated
- Feb 7, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (302) 368-1271
- Medicare enrollment
- Enrolled (PECOS I20070330000454); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 600 in Delaware → Look up another NPI →
Also registered at 111 Continental Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joan Adams, CRNACertified Registered Nurse Anesthetist1285664870
- David Amato, DOInternal Medicine Physician1942270707
- Nana Ankomah, M.D.Internal Medicine Physician1194795443
- Kunal Bhagat, MDInternal Medicine Physician1023080520
- Amelia Brago, PA-CPhysician Assistant1912833161
- David Britchkow, MDInternal Medicine Physician1124020094
Verify Selvam Joseph Mascarenhas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
Search for license C1-0008046Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
87 Medicare Part D claims for 37 beneficiaries, against an average of 3,176 among the 108,855 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.
Industry payments in 2024: $25.13
2 payments; by number, the most common kind was food and beverage; the largest payer was Boehringer Ingelheim Pharmaceuticals, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Hospital Medicine Associates LLCDover, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Selvam Joseph Mascarenhas among 600 internal medicine physician records in Delaware
Selvam Joseph Mascarenhas, M.D is one of 600 internal medicine physician records with a practice address in Delaware. 83% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 68% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2002 · median 2008 among the 414 with a school on file
- Record last updated2008 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
240 internal medicine physician records list a practice address in Newark
They are 240 of the 4,662 NPPES records with a practice address in Newark, and 600 internal medicine physician records in Delaware.
All 600 in Delaware → Every provider in Newark → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Amato, DONewark, DE 197131942270707
- Joanne Brice, MDNewark, DE 197131811977093
- David Britchkow, MDNewark, DE 197131124020094
- Allison Buonocore, MDNewark, DE 197131609854504
- Allen Friedland, MDNewark, DE 197131306823471
- Brijendra Kumar, MDNewark, DE 197131528048709
- Qing Liu, MDNewark, DE 197131235109000
- Stephen Menaldino, MDNewark, DE 197131487632204
Common questions
What is Selvam Joseph Mascarenhas, M.D's NPI number?
Selvam Joseph Mascarenhas, M.D's National Provider Identifier (NPI) is 1326075698, issued on Jun 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Selvam Joseph Mascarenhas, M.D located?
The NPPES record lists a practice address at 111 Continental Dr, Newark, DE, 19713. Phone: (302) 368-2630. Providers update this record themselves, so call before visiting.
How can I verify Selvam Joseph Mascarenhas, M.D's license?
NPPES lists Delaware license number C1-0008046, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Selvam Joseph Mascarenhas, M.D prescribe under Medicare Part D?
In 2024, Selvam Joseph Mascarenhas, M.D had 87 Medicare Part D claims for 37 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.