Doctor profile · Federal record

Dr. Ramadan Hammoud, M.D.

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Endocrinology, Diabetes & Metabolism Physician · Endocrinology, Diabetes & Metabolism Physician · Crystal Lake, IL

  • NPI 1134328719
  • Accepts Medicare
  • MIPS 84.2 / 100 · 2023
  • 20 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 5 locations .

NPPES Updated May 11, 2026
Primary practice
360 Station Dr Ste 300
Crystal Lake, IL 600148003
(815) 344-3900
fax (815) 356-2388
Additional location
1223 Gateway Dr Ste 1F
Melbourne, FL 329012607
(321) 215-4910
Additional location
9745 Touchton RD Unit 1705
Jacksonville, FL 322469200
(616) 391-3139
Show 2 more locations
Additional location
7 Blanchard Cir Ste 202
Wheaton, IL 601892039
(630) 208-6775
fax (630) 208-7937
Additional location
1305 W 18Th St
Sioux Falls, SD 571050401
(605) 328-8700

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
January 28, 2025
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State licenses (3)
Florida #ME126561 · South Dakota #11188 · Illinois #036157760
Medicaid
FL #116350400

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134328719. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
243
Distinct HCPCS
5
Medicare allowed
$27,308
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 146 122 $127
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 47 38 $35
99204 New patient office or other outpatient visit, 45-59 minutes 18 18 $158
99213 Established patient office or other outpatient visit, 20-29 minutes 16 16 $90
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 16 16 $175

In context: peer comparison

Among 1 peers in Crystal Lake Endocrinology, Diabetes & Metabolism Physician, average services per provider: 48. This provider delivers 5.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$18
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Insulet Corporation 1 $18.13

By nature of payment

Food and Beverage
$18

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
572
Patients
207
Total drug cost
$418,597
Drug Type Claims Patients Total cost
Ozempic (Semaglutide) Brand 80 38 $154,950
Jardiance (Empagliflozin) Brand 78 30 $95,371
Levothyroxine Sodium Generic 75 36 $1,034
Novolog Flexpen (Insulin Aspart) Brand 53 25 $70,723
Metformin Hcl Generic 48 24 $547
Tresiba Flextouch U-100 (Insulin Degludec) Brand 45 24 $35,594
Metformin Hcl ER (Metformin Hcl) Brand 42 18 $615
Glimepiride Generic 28 12 $252
Toujeo Solostar (Insulin Glargine,Hum.Rec.Anlog) Brand 25 0 $26,576
Lantus Solostar (Insulin Glargine,Hum.Rec.Anlog) Brand 19 0 $9,360

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ramadan Hammoud's medical specialty?
Dr. Ramadan Hammoud practices Endocrinology, Diabetes & Metabolism Physician in Crystal Lake, IL.
Where does Dr. Ramadan Hammoud practice?
Dr. Ramadan Hammoud practices at 360 Station Dr Ste 300, Crystal Lake, IL 600148003. Office phone: 8153443900.
What is Dr. Ramadan Hammoud's NPI?
Dr. Ramadan Hammoud's National Provider Identifier (NPI) is 1134328719, issued by NPPES.
Does Dr. Ramadan Hammoud accept Medicare assignment?
Yes. Dr. Ramadan Hammoud accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ramadan Hammoud commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (HCPCS 95251); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.