Abdul Muhaymin Siyal, MD
Internal Medicine Physician · Dover, DE
Abdul Muhaymin Siyal, MD is an internal medicine physician with a practice address in Dover, Delaware, and NPI 1033649538, issued on Jun 15, 2017. Check the license (Delaware C1-0026266, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Abdul Muhaymin Siyal
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- C1-0026266 DE
Self-reported in NPPES; status is on the state search - Practice location
- 720 S Queen St, Dover, DE 19904
- Phone
- (302) 734-7834
- Enumerated
- Jun 15, 2017
- Record last updated
- Aug 2, 2023
- Fax
- (302) 734-7847
- Medicare enrollment
- Enrolled (PECOS I20230810001672); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 600 in Delaware → Look up another NPI →
Also registered at 720 S Queen St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Abdul Muhaymin Siyal 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 C1-0026266Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% more Medicare Part D claims than the average internal medicine physician in 2024
3,438 Medicare Part D claims for 480 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 11 claims were for opioids.
Most prescribed
- Atorvastatin Calcium240 claims
- Amlodipine Besylate157 claims
- Rosuvastatin Calcium155 claims
- Losartan Potassium143 claims
- Metformin Hcl134 claims
- Levothyroxine Sodium111 claims
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
- Bayhealth Medical Center, IncDover, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Abdul Muhaymin Siyal among 600 internal medicine physician records in Delaware
Abdul Muhaymin Siyal, MD 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 2017, is newer than 66% of them.
- NPI issued2017 · 66% of these records are older, 30% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2014 · median 2008 among the 414 with a school on file
- Record last updated2023 · 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).
44 internal medicine physician records list a practice address in Dover
They are 44 of the 2,137 NPPES records with a practice address in Dover, and 600 internal medicine physician records in Delaware.
All 600 in Delaware → Every provider in Dover → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ephraim Ayoola, M.D.Dover, DE 199041962463398
- Brian Benson, M.D.Dover, DE 199041730148446
- Ciriaco Bongalos, Jr., M.D.Dover, DE 199041174585954
- Daniel Fisher, M.D.Dover, DE 199041043282478
- Christopher Giles, M.D.Dover, DE 199041154381168
- Twifford Jarrell, M.D.Dover, DE 199041356310189
- Sambhab Kumar, MDDover, DE 199041750359840
- Sandeep Mann, M.D.Dover, DE 199041891776761
Common questions
What is Abdul Muhaymin Siyal, MD's NPI number?
Abdul Muhaymin Siyal, MD's National Provider Identifier (NPI) is 1033649538, issued on Jun 15, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Abdul Muhaymin Siyal, MD located?
The NPPES record lists a practice address at 720 S Queen St, Dover, DE, 19904. Phone: (302) 734-7834. Providers update this record themselves, so call before visiting.
How can I verify Abdul Muhaymin Siyal, MD's license?
NPPES lists Delaware license number C1-0026266, 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 Abdul Muhaymin Siyal, MD prescribe under Medicare Part D?
In 2024, Abdul Muhaymin Siyal, MD had 3,438 Medicare Part D claims for 480 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.