Doctor profile · Federal record

Dr. Joumana Chaiban, MD

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

  • NPI 1124233291
  • Accepts Medicare
  • 26 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
11600 S Kedzie Ave Ste D
Merrionette Park, IL 608036308
(708) 684-6867
fax (708) 684-6869
Additional location
4921 Parkview Pl, Ste 13B
Saint Louis, MO 631101032
(314) 747-3000
fax (314) 747-7065
Mailing address
660 S Euclid Ave, C B 8127
Saint Louis, MO 631101010

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
May 25, 2023
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State licenses (2)
Illinois #036-133347 · Missouri #2015013437

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124233291. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
804
Distinct HCPCS
8
Medicare allowed
$79,142
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 259 91 $119
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 201 92 $79
99214 Established patient office or other outpatient visit, 30-39 minutes 121 92 $127
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 84 78 $128
36415 Insertion of needle into vein for collection of blood sample 81 61 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 23 20 $95
95251 Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report 18 13 $36
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 17 16 $160

In context: peer comparison

Among 2 peers in this city , average services per provider: 97. This provider delivers 8.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,075
Patients
287
Total drug cost
$604,819
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 175 51 $3,168
Metformin Hcl Generic 114 36 $1,440
Jardiance (Empagliflozin) Brand 111 28 $119,771
Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) Brand 85 37 $53,320
Atorvastatin Calcium Generic 76 27 $1,167
Ozempic (Semaglutide) Brand 72 14 $77,997
Tradjenta (Linagliptin) Brand 71 14 $58,491
Trulicity (Dulaglutide) Brand 64 13 $97,812
Metformin Hcl Er (Metformin Hcl) Brand 56 20 $845
Ultra-Fine Mini Pen Needle (Pen Needle, Diabetic) Brand 51 18 $6,216

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Joumana Chaiban's medical specialty?
Dr. Joumana Chaiban practices Endocrinology, Diabetes & Metabolism Physician in Merrionette Park, IL.
Where does Dr. Joumana Chaiban practice?
Dr. Joumana Chaiban practices at 11600 S Kedzie Ave Ste D, Merrionette Park, IL 608036308. Office phone: 7086846867.
What is Dr. Joumana Chaiban's NPI?
Dr. Joumana Chaiban's National Provider Identifier (NPI) is 1124233291, issued by NPPES.
Does Dr. Joumana Chaiban accept Medicare assignment?
Yes. Dr. Joumana Chaiban accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joumana Chaiban commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.