Doctor profile · Federal record

Dr. Chad Spangler, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Lake Barrington, IL

  • NPI 1073625562
  • Accepts Medicare
  • 23 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
22285 N Pepper RD, Suite #311
Lake Barrington, IL 600102538
(847) 382-4410

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
June 28, 2011
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Illinois #036116076

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073625562. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,305
Distinct HCPCS
10
Medicare allowed
$206,350
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 315 217 $79
99214 Established patient office or other outpatient visit, 30-39 minutes 225 190 $130
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 116 111 $131
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 90 89 $102
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 80 80 $253
99204 New patient office or other outpatient visit, 45-59 minutes 67 67 $170
45380 Biopsy of large bowel using a flexible endoscope 58 58 $138
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 53 53 $489
99213 Established patient office or other outpatient visit, 20-29 minutes 45 42 $95
45380 Biopsy of large bowel using a flexible endoscope 39 39 $365

In context: peer comparison

Among 6 peers in this city , average services per provider: 72. This provider delivers 18× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,169
Transactions
46
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 11 $241.55
Janssen Biotech, Inc. 5 $143.69
GENZYME CORPORATION 4 $119.76
Takeda Pharmaceuticals U.S.A., Inc. 5 $112.63
VIVUS LLC 3 $55.34
Lilly USA, LLC 2 $52.95
Gilead Sciences, Inc. 2 $49.31
Madrigal Pharmaceuticals 2 $45.64
Salix Pharmaceuticals, a division of Bausch Health US, LLC 2 $43.28
Merck Sharp & Dohme LLC 2 $42.47
Biocon Biologics Inc 2 $39.60
Celgene Corporation 2 $32.26
Regeneron Healthcare Solutions, Inc. 1 $31.92
PFIZER INC. 2 $31.55
Intercept Pharmaceuticals, Inc. 1 $28.62

By nature of payment

Food and Beverage
$1,169

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
942
Patients
426
Total drug cost
$192,495
Drug Type Claims Patients Total cost
Omeprazole Generic 220 67 $2,843
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 201 197 $3,281
Pantoprazole Sodium Generic 180 59 $2,868
Mesalamine Er (Mesalamine) Brand 58 0 $26,036
Linzess (Linaclotide) Brand 47 13 $39,798
Ursodiol Generic 42 0 $6,084
Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) Brand 31 31 $665
Budesonide Dr (Budesonide) Brand 29 11 $2,146
Sucralfate Generic 22 13 $836
Creon (Lipase/Protease/Amylase) Brand 21 0 $77,234

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Chad Spangler's medical specialty?
Dr. Chad Spangler practices Gastroenterology Physician in Lake Barrington, IL.
Where does Dr. Chad Spangler practice?
Dr. Chad Spangler practices at 22285 N Pepper RD, Lake Barrington, IL 600102538. Office phone: 8473824410.
What is Dr. Chad Spangler's NPI?
Dr. Chad Spangler's National Provider Identifier (NPI) is 1073625562, issued by NPPES.
Does Dr. Chad Spangler accept Medicare assignment?
Yes. Dr. Chad Spangler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chad Spangler commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.