Doctor profile · Federal record

Dr. Nina Merel, MD

Gastroenterology Physician (CMS: Gastroenterology) · Glenview, IL

  • NPI 1285616300
  • Accepts Medicare
  • MIPS 85.1 / 100 · 2023
  • 29 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2501 Compass RD, Suite 130
Glenview, IL 600268000
(847) 677-1170
fax (847) 677-1233

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
April 25, 2017
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Illinois #036102428
Medicaid
IL #036102428

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285616300. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
556
Distinct HCPCS
9
Medicare allowed
$92,692
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 111 88 $133
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 106 106 $267
99204 New patient office or other outpatient visit, 45-59 minutes 99 99 $175
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 86 84 $100
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 56 56 $196
45380 Biopsy of large bowel using a flexible endoscope 40 39 $159
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 30 26 $83
99213 Established patient office or other outpatient visit, 20-29 minutes 16 15 $94
G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk 12 12 $197

In context: peer comparison

Among 9 peers in this city , average services per provider: 65. This provider delivers 8.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,680
Transactions
78
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Ardelyx, Inc. 11 $1,458.67
Genentech USA, Inc. 3 $585.42
ABBVIE INC. 17 $317.44
Janssen Biotech, Inc. 9 $307.75
Takeda Pharmaceuticals U.S.A., Inc. 10 $222.01
QOL Medical, LLC 4 $108.24
Salix Pharmaceuticals, a division of Bausch Health US, LLC 4 $99.54
Intercept Pharmaceuticals, Inc. 3 $76.50
Regeneron Healthcare Solutions, Inc. 2 $72.02
Phathom Pharmaceuticals, Inc. 3 $70.41
Braintree Laboratories, Inc. 3 $57.68
PFIZER INC. 3 $56.38
Ipsen Biopharmaceuticals, Inc 2 $46.28
Madrigal Pharmaceuticals 2 $42.04
Lilly USA, LLC 2 $38.22

By nature of payment

Food and Beverage
$2,380
Consulting Fee
$1,250
Travel and Lodging
$35
Education
$15

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
458
Patients
228
Total drug cost
$114,973
Drug Type Claims Patients Total cost
Omeprazole Generic 139 59 $2,892
Linzess (Linaclotide) Brand 64 18 $69,713
Famotidine Generic 51 29 $1,008
Pantoprazole Sodium Generic 48 16 $902
Sutab (Sod Sulf/Pot Chloride/Mag Sulf) Brand 48 48 $8,259
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 30 30 $2,441
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 28 28 $575
Mesalamine Generic 25 0 $21,192
Apriso (Mesalamine) Brand 13 0 $7,247
Azathioprine Generic 12 0 $744

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nina Merel's medical specialty?
Dr. Nina Merel practices Gastroenterology Physician in Glenview, IL.
Where does Dr. Nina Merel practice?
Dr. Nina Merel practices at 2501 Compass RD, Glenview, IL 600268000. Office phone: 8476771170.
What is Dr. Nina Merel's NPI?
Dr. Nina Merel's National Provider Identifier (NPI) is 1285616300, issued by NPPES.
Does Dr. Nina Merel accept Medicare assignment?
Yes. Dr. Nina Merel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nina Merel commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.