Chad C. Spangler, M.D.
Gastroenterology Physician · Lake Barrington, IL
Chad C. Spangler, M.D. is a gastroenterology physician with a practice address in Lake Barrington, Illinois, and NPI 1073625562, issued on Aug 31, 2006. Check the license (Illinois 036116076, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Chad C. Spangler
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 036116076 IL
Self-reported in NPPES; status is on the state search - Practice location
- 22285 N Pepper RD, Lake Barrington, IL 60010
- Phone
- (847) 382-4410
- Enumerated
- Aug 31, 2006
- Record last updated
- Jun 28, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20061127000077); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 2003
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 887 in Illinois → Look up another NPI →
Also registered at 22285 N Pepper RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Chad C. Spangler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036116076Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% more Medicare Part D claims than the average gastroenterology physician in 2024
1,380 Medicare Part D claims for 587 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Omeprazole262 claims
- Pantoprazole Sodium158 claims
- Gavilyte-G125 claims
- Peg-3350 And Electrolytes121 claims
- Gavilyte-C50 claims
- Linzess42 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,169.49
50 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- GI Partners OF Illinois LLCLibertyville, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chad C. Spangler among 887 gastroenterology physician records in Illinois
Chad C. Spangler, M.D. is one of 887 gastroenterology physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 52% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2003 · median 2003 among the 643 with a school on file
- Record last updated2011 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 gastroenterology physician records list a practice address in Lake Barrington
They are 10 of the 152 NPPES records with a practice address in Lake Barrington, and 887 gastroenterology physician records in Illinois.
All 887 in Illinois → Every provider in Lake Barrington → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- George Atia, M.D.Barrington, IL 600101770580029
- Dona Bartelt, M.D.Lake Barrington, IL 600101629063201
- Manish Bhuva, M.D.Lake Barrington, IL 600101518953330
- Dale Coy, M.D.Lake Barrington, IL 600101770578858
- Nicole Gentile, MDLake Barrington, IL 600101417241944
- Dafna Gordon, M.D.Lake Barrington, IL 600101679569388
- Mary Kane, MDSouth Barrington, IL 600101023090354
- Stacey McKelvey, MDBarrington, IL 600101164472312
Common questions
What is Chad C. Spangler, M.D.'s NPI number?
Chad C. Spangler, M.D.'s National Provider Identifier (NPI) is 1073625562, issued on Aug 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Chad C. Spangler, M.D. located?
The NPPES record lists a practice address at 22285 N Pepper RD, Lake Barrington, IL, 60010. Phone: (847) 382-4410. Providers update this record themselves, so call before visiting.
How can I verify Chad C. Spangler, M.D.'s license?
NPPES lists Illinois license number 036116076, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Chad C. Spangler, M.D. prescribe under Medicare Part D?
In 2024, Chad C. Spangler, M.D. had 1,380 Medicare Part D claims for 587 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.