NPPES file of Aug 9, 2026

Muhammad Hamad Islam, M.D.

Internal Medicine Physician · Danbury, CT

Muhammad Hamad Islam, M.D. is an internal medicine physician with a practice address in Danbury, Connecticut, and NPI 1730884784, issued on Mar 31, 2023. Check the license (Connecticut 83357, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1730884784
Name
Muhammad Hamad Islam
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
83357 CT
1074266-RES CT
Self-reported in NPPES; status is on the state search
Practice location
Danbury Hospital, 24 Hospital Avenue, Danbury, CT 06810
Phone
(203) 739-8105
Enumerated
Mar 31, 2023
Record last updated
May 13, 2026
Fax
(203) 749-9092
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at Danbury Hospital, 24 Hospital Avenue

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Manish Gupta, M.D.Student in an Organized Health Care Education/Training Program1073001772
  2. Sebastian Lang, M.D.Student in an Organized Health Care Education/Training Program1699604777

Verify Muhammad Hamad Islam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 83357
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Connecticut license search

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98% fewer Medicare Part D claims than the average internal medicine physician in 2024

79 Medicare Part D claims for 39 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Muhammad Islam79
  2. Specialty average3,176

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.

Muhammad Hamad Islam among 2,623 internal medicine physician records in Connecticut

Muhammad Hamad Islam, M.D. is one of 2,623 internal medicine physician records with a practice address in Connecticut. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 98% of them.

  • NPI issued2023 · 98% of these records are older, under 1% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2026 · 61% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

112 internal medicine physician records list a practice address in Danbury

They are 112 of the 2,412 NPPES records with a practice address in Danbury, and 2,623 internal medicine physician records in Connecticut.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Alka Aggarwal, MDDanbury, CT 068101427041987
  2. Charles Cahn, M.D.Danbury, CT 068101720064504
  3. Karen Coblens, MDDanbury, CT 068101063479848
  4. Allen Davis, M.D.Danbury, CT 068101639163439
  5. Amin Elashker, DODanbury, CT 068101093794182
  6. Sateesh Kathiravelu, M.D.Danbury, CT 068101083665244
  7. Asha Marhatta, MD; MPHDanbury, CT 068101366490013
  8. Kathleen Mauks, M.D.Danbury, CT 068101629064035

Common questions

What is Muhammad Hamad Islam, M.D.'s NPI number?

Muhammad Hamad Islam, M.D.'s National Provider Identifier (NPI) is 1730884784, issued on Mar 31, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Muhammad Hamad Islam, M.D. located?

The NPPES record lists a practice address at Danbury Hospital, 24 Hospital Avenue, Danbury, CT, 06810. Phone: (203) 739-8105. Providers update this record themselves, so call before visiting.

How can I verify Muhammad Hamad Islam, M.D.'s license?

NPPES lists Connecticut license number 83357, 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 Muhammad Hamad Islam, M.D. prescribe under Medicare Part D?

In 2024, Muhammad Hamad Islam, M.D. had 79 Medicare Part D claims for 39 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.