Doctor profile · Federal record

Dr. Maan Barhoum, M.D.

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

  • NPI 1114993979
  • Accepts Medicare
  • MIPS 51.8 / 100 · 2023
  • 38 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
755 S Milwaukee Ave, Suite 186
Libertyville, IL 600482905
(847) 573-9455
fax (847) 573-9456

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
May 14, 2008
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Illinois #036115914

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114993979. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,273
Distinct HCPCS
8
Medicare allowed
$176,938
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 1,113 462 $133
83036 Hemoglobin a1c level 250 112 $10
80061 Blood test, lipids (cholesterol and triglycerides) 238 106 $13
82962 Blood glucose (sugar) test performed by hand-held instrument 218 126 $3
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 211 83 $35
82947 Blood glucose (sugar) level 155 71 $4
99204 New patient office or other outpatient visit, 45-59 minutes 73 73 $174
95250 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with provider supplied equipment 15 15 $154

In context: peer comparison

Among 1 peers in this city , average services per provider: 284. This provider delivers 8.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$96
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Dexcom, Inc. 1 $44.50
SANOFI-AVENTIS U.S. LLC 1 $27.01
Boehringer Ingelheim Pharmaceuticals, Inc. 1 $24.02

By nature of payment

Food and Beverage
$96

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,637
Patients
803
Total drug cost
$1,839,823
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 612 130 $6,868
Synthroid (Levothyroxine Sodium) Brand 449 78 $36,985
Jardiance (Empagliflozin) Brand 367 73 $354,377
Metformin Hcl Generic 356 96 $4,539
Ozempic (Semaglutide) Brand 356 67 $494,086
Farxiga (Dapagliflozin Propanediol) Brand 234 38 $196,149
Trulicity (Dulaglutide) Brand 229 38 $351,830
Atorvastatin Calcium Generic 226 65 $3,405
Repaglinide Generic 182 45 $9,888
Pioglitazone Hcl Generic 131 35 $1,094

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Maan Barhoum's medical specialty?
Dr. Maan Barhoum practices Endocrinology, Diabetes & Metabolism Physician in Libertyville, IL.
Where does Dr. Maan Barhoum practice?
Dr. Maan Barhoum practices at 755 S Milwaukee Ave, Libertyville, IL 600482905. Office phone: 8475739455.
What is Dr. Maan Barhoum's NPI?
Dr. Maan Barhoum's National Provider Identifier (NPI) is 1114993979, issued by NPPES.
Does Dr. Maan Barhoum accept Medicare assignment?
Yes. Dr. Maan Barhoum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maan Barhoum commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Hemoglobin a1c level (HCPCS 83036); Blood test, lipids (cholesterol and triglycerides) (HCPCS 80061). Source: CMS Medicare Physician & Other Practitioners file.