Chad Gier, MD
Clinical Cardiac Electrophysiology Physician · Chicago, IL
Chad Gier, MD is a clinical cardiac electrophysiology physician with a practice address in Chicago, Illinois, and NPI 1568999555, issued on May 22, 2017. Check the license (Illinois 036.170782, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Chad Gier
- Credential
- MD
- Primary taxonomy
- Clinical Cardiac Electrophysiology Physician 207RC0001X
- License numbers
- 036.170782 IL
66333 CT
Self-reported in NPPES; status is on the state search - Practice location
- 251 E Huron St, Chicago, IL 60611
- Phone
- (312) 926-2000
- Enumerated
- May 22, 2017
- Record last updated
- Jun 27, 2024
- Entity
- Type 1 · individual
8 nearest clinical cardiac electrophysiology physician records → All 166 in Illinois → Look up another NPI →
Also registered at 251 E Huron St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Chad Gier 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 036.170782Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average clinical cardiac electrophysiology physician in 2024
15 Medicare Part D claims, against an average of 1,710 among the 3,173 providers of this specialty who prescribed in Part D.
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: $6,163.56
74 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 3,167 providers of this specialty with any payment received $10,651.37 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.
Chad Gier among 166 clinical cardiac electrophysiology physician records in Illinois
Chad Gier, MD is one of 166 clinical cardiac electrophysiology physician records with a practice address in Illinois. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 92% of them.
- NPI issued2017 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileNo · 83% of these records are
- Record last updated2024 · 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 207RC0001X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Cardiac Electrophysiology Physician providers in Illinois
There are 166 clinical cardiac electrophysiology physician records in Illinois.
All 166 in Illinois → Every provider in Chicago → Clinical Cardiac Electrophysiology Physician nationwide →
The 8 clinical cardiac electrophysiology physician records with the nearest ZIP codes
- Aamir Ahmed, MDChicago, IL 606111992297931
- Alexandru Chicos, MDChicago, IL 606111316138704
- Susan Kim, M.D.Chicago, IL 606111962419119
- Bradley Knight, M.D.Chicago, IL 606111427162155
- Albert Lin, M.D.Chicago, IL 606111508820218
- Rod Passman, MDChicago, IL 606111982639688
- Kaustubha PatilChicago, IL 606111467695361
- Graham Peigh, MDChicago, IL 606111629519061
Common questions
What is Chad Gier, MD's NPI number?
Chad Gier, MD's National Provider Identifier (NPI) is 1568999555, issued on May 22, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Chad Gier, MD located?
The NPPES record lists a practice address at 251 E Huron St, Chicago, IL, 60611. Phone: (312) 926-2000. Providers update this record themselves, so call before visiting.
How can I verify Chad Gier, MD's license?
NPPES lists Illinois license number 036.170782, 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 Gier, MD prescribe under Medicare Part D?
In 2024, Chad Gier, MD had 15 Medicare Part D claims; the average among clinical cardiac electrophysiology physician prescribers was 1,710. 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.