Doctor profile · Federal record

Dr. Abdul Muhaymin Siyal, MD

Internal Medicine Physician (CMS: Internal Medicine) · Dover, DE

  • NPI 1033649538
  • Accepts Medicare
  • 12 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
720 S Queen St
Dover, DE 199043567
(302) 734-7834
fax (302) 734-7847
Mailing address
640 S. State Street, Mail Code 3055
Dover, DE 199013530

Credentials & registration

NPPES · NUCC
NPI registered
June 2017 — 9 yrs on file
Profile last updated
August 2, 2023
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Delaware #C1-0026266

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033649538. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
757
Distinct HCPCS
10
Medicare allowed
$82,645
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 345 260 $121
99213 Established patient office or other outpatient visit, 20-29 minutes 97 90 $85
G0008 Administration of influenza virus vaccine 65 65 $31
90662 Influenza vaccine split virus, preservative free 51 51 $72
99204 New patient office or other outpatient visit, 45-59 minutes 49 49 $168
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 47 47 $132
99203 New patient office or other outpatient visit, 30-44 minutes 21 21 $113
99495 Transitional care management services for problem of at least moderate complexity 20 18 $213
99215 Established patient office or other outpatient visit, 40-54 minutes 16 15 $167
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 16 16 $173

In context: peer comparison

Among 13 peers in this city , average services per provider: 133. This provider delivers 5.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
949
Patients
439
Total drug cost
$19,560
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 153 68 $3,633
Amlodipine Besylate Generic 117 49 $1,424
Rosuvastatin Calcium Generic 79 41 $4,048
Levothyroxine Sodium Generic 74 34 $1,354
Losartan Potassium Generic 67 33 $897
Metformin Hcl Generic 64 29 $644
Lisinopril Generic 58 29 $589
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 56 27 $2,144
Fluticasone Propionate Generic 53 30 $533
Sertraline Hcl Generic 47 24 $658

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Abdul Muhaymin Siyal's medical specialty?
Dr. Abdul Muhaymin Siyal practices Internal Medicine Physician in Dover, DE.
Where does Dr. Abdul Muhaymin Siyal practice?
Dr. Abdul Muhaymin Siyal practices at 720 S Queen St, Dover, DE 199043567. Office phone: 3027347834.
What is Dr. Abdul Muhaymin Siyal's NPI?
Dr. Abdul Muhaymin Siyal's National Provider Identifier (NPI) is 1033649538, issued by NPPES.
Does Dr. Abdul Muhaymin Siyal accept Medicare assignment?
Yes. Dr. Abdul Muhaymin Siyal accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Abdul Muhaymin Siyal commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.