NPPES file of Aug 9, 2026

Infectious Disease Physician in Delaware

32 NPPES records list infectious disease physician with a practice address in Delaware, 3.1 per 100,000 residents, the 17th highest rate of 51. Newark and Wilmington have the most; each record links to the provider's NPI and the Delaware license search.

CMS NPPES registry, file of Aug 9, 2026; 2023 Census estimates · NUCC 207RI0200X · method

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Newark has the most, 14

  1. Newark14
  2. Wilmington6
  3. Lewes5
  4. Dover2
  5. Milford2

Infectious Disease Physician records in Delaware

  1. Alfred Bacon, MDNewark, DE 197131902967508
  2. William Chasanov, D.O.Lewes, DE 199581104028919
  3. Jimmy Chua, M.D.Lewes, DE 199581205939840
  4. David Cohen, M.D.Newark, DE 197131306907902
  5. Marci Drees, M.D.Smyrna, DE 199771700971827
  6. Chad Duffalo, M.D.Newark, DE 197131639339484
  7. Wayne Duffus, M.D.Wilmington, DE 198011174590392
  8. Wesley Emmons, M.D.Newark, DE 197131770692782
  9. Kristen FaccioloNewark, DE 197181487914834
  10. Maya Gupta, M.D.Newark, DE 197131811011646
  11. Kirsten Hauer, MDWilmington, DE 198051922100023
  12. Matthew Jacob, MDLewes, DE 199581689373169
  13. Robert Jakubowski, M.D.Wilmington, DE 198011043624463
  14. Deborah Kahal, MD, MPHWilmington, DE 198011821227315
  15. Stephanie Lee, MDNewark, DE 197131912068529
  16. James Ley, M.D.Newark, DE 197131376652396
  17. Tresa Mascarenhas, MBBSNewark, DE 197131477846079
  18. William Mazur, M.D.Wilmington, DE 198011518250828
  19. Ala Muhanna, MDLewes, DE 199581578117545
  20. Maryam Munir, MDDover, DE 199011093293631
  21. Angela Oates, M.D,Newark, DE 197131447437868
  22. Scott Olewiler, M.D.Lewes, DE 199581205881893
  23. Anand Panwalker, M.D.Newark, DE 197131609937267
  24. John Piper, M.D.Newark, DE 197131083775654
  25. Shruti Puri, MDNewark, DE 197181003234451
  26. Ambreen Raza, MDMilford, DE 199631326398579
  27. Dawn Roach, MDHarrington, DE 199521588226005
  28. Rafael Ruiz Gaviria, MDMilford, DE 199631679067334
  29. Makondo Shimukowa, MDDelmar, DE 199401730389982
  30. Susan Szabo, MDWilmington, DE 198011407834229
  31. Ramesh Vemulapalli, MDDover, DE 199011659351310
  32. Marshall Williams, M.D., PHDNewark, DE 197131982713988

Source: CMS NPPES, primary taxonomy 207RI0200X: records by practice city and the list of records, file of Aug 9, 2026.

Delaware ranks 17 of 51 per resident

  1. Florida3.4
  2. Georgia3.2
  3. Nebraska3.1
  4. Delaware3.1
  5. Colorado3.1
  6. Oregon3.0
  7. 50 states and D.C.3.2

Source: CMS NPPES, primary taxonomy 207RI0200X by practice state, file of Aug 9, 2026; records per 100,000 residents, 2023 Census estimates.

90.6% of these records appear in a Medicare file, against 79.0% nationally

A Medicare file here is Part D prescribing (2024), a MIPS score (2023), an Open Payments record (2024) or Medicare group billing (CMS Doctors and Clinicians). A record outside them may still see patients: these files cover Medicare only.

  1. Delaware90.6%
  2. United States79.0%

Infectious Disease Physician records in Delaware, measured

  • In a Medicare file29 of 32 · 90.6% here, 79.0% nationally
  • In the CMS Doctors and Clinicians file28 · 87.5% here, 68.4% nationally
  • Not updated in five years or more18 · 56.3% here, 56.5% nationally
  • Median graduation year2002 · the 28 records with a school on file

Source: CMS NPPES, file of Aug 9, 2026 (primary taxonomy 207RI0200X); CMS Medicare Part D Prescribers 2024, MIPS 2023, Open Payments 2024 and Doctors and Clinicians, matched by NPI.

What the count covers

32 NPPES records list infectious disease physician (207RI0200X) as their primary taxonomy with a practice address in Delaware: 3.1 per 100,000 residents against 3.2 nationally (50 states and D.C.). Newark has 14 of them (44%).

A record is a registration a provider made and keeps up to date: it shows neither that the provider is licensed nor that they still practice there. The state's own license search is the check.

States with a similar number

  1. Idaho29
  2. Maine35
  3. Arkansas38
  4. Mississippi38

States with a similar rate per 100,000

  1. Colorado3.1
  2. Nebraska3.1
  3. Georgia3.2
  4. Oregon3.0

The largest states

  1. California1,119
  2. New York970
  3. Florida760
  4. Texas674
  5. Pennsylvania545

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy; 2023 Census population estimates. A registry record 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.