Doctor profile · Federal record

Dr. Husam Ayash, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Nephrology Physician · Decatur, IL

  • NPI 1487863049
  • Accepts Medicare
  • 21 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2300 N Edward St
Decatur, IL 625264163
(217) 876-8121
Mailing address
1570 Whistler CT
Naperville, IL 605649344

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
January 13, 2017
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Kentucky #44786

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1487863049. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,704
Distinct HCPCS
5
Medicare allowed
$128,743
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 936 325 $77
99238 Hospital discharge day management, 30 minutes or less 329 292 $78
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 303 146 $49
99239 Hospital discharge day management, more than 30 minutes 70 70 $112
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 66 64 $126

In context: peer comparison

Among 14 peers in this city , average services per provider: 160. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
600
Patients
424
Total drug cost
$45,546
Drug Type Claims Patients Total cost
Lisinopril Generic 58 19 $334
Pantoprazole Sodium Generic 53 37 $484
Eliquis (Apixaban) Brand 52 21 $40,486
Carvedilol Generic 47 27 $542
Furosemide Generic 45 28 $204
Levofloxacin Generic 44 42 $311
Amlodipine Besylate Generic 43 30 $273
Prednisone Generic 42 39 $150
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 40 40 $414
Atorvastatin Calcium Generic 36 22 $352

Frequently asked questions

Auto-generated from federal data
What is Dr. Husam Ayash's medical specialty?
Dr. Husam Ayash practices Internal Medicine Physician in Decatur, IL.
Where does Dr. Husam Ayash practice?
Dr. Husam Ayash practices at 2300 N Edward St, Decatur, IL 625264163. Office phone: 2178768121.
What is Dr. Husam Ayash's NPI?
Dr. Husam Ayash's National Provider Identifier (NPI) is 1487863049, issued by NPPES.
Does Dr. Husam Ayash accept Medicare assignment?
Yes. Dr. Husam Ayash accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Husam Ayash commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99238); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.