Margaret Hwang, M.D.
Surgery Physician · Chicago, IL
Margaret Hwang, M.D. is a surgery physician with a practice address in Chicago, Illinois, and NPI 1780830778, issued on Aug 11, 2008. Check the license (Illinois 125055025, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Margaret Hwang
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 125055025 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1653 W Congress Pkwy, Chicago, IL 60612
- Phone
- (312) 942-5000
- Enumerated
- Aug 11, 2008
- Record last updated
- Aug 11, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (312) 942-2867
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 1,520 in Illinois → Look up another NPI →
Also registered at 1653 W Congress Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Heidi Aguilar, CRNACertified Registered Nurse Anesthetist1043703796
- Jenny AhnEmergency Registered Nurse1124836622
- Marwah Al Tekreeti, MDAnatomic Pathology & Clinical Pathology Physician1891539268
- Laila Abdulla Al-Harthy, RNRegistered Nurse1619832722
Verify Margaret Hwang 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 125055025Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $18.20
1 payment: food and beverage; the largest payer was Pfizer Inc. The 17,103 providers of this specialty with any payment received $3,513.80 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.
Margaret Hwang among 1,520 surgery physician records in Illinois
Margaret Hwang, M.D. is one of 1,520 surgery physician records with a practice address in Illinois. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 42% of them.
- NPI issued2008 · 42% of these records are older, 52% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2008 · 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 208600000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Illinois
There are 1,520 surgery physician records in Illinois.
All 1,520 in Illinois → Every provider in Chicago → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Amelia BartholomewChicago, IL 606121447356886
- Steven Bines, MDChicago, IL 606121609833086
- Steven Bonomo, MDChicago, IL 606121861478893
- Diane Drugas, M.D.Chicago, IL 606121457436776
- Burnetta Herron, M.D.Chicago, IL 606121841211513
- Chad Kessler, MDChicago, IL 606121386624948
- Katherine Liu, M.D.Chicago, IL 606121184673832
- Elizabeth Marcus, MDChicago, IL 606121457464638
Common questions
What is Margaret Hwang, M.D.'s NPI number?
Margaret Hwang, M.D.'s National Provider Identifier (NPI) is 1780830778, issued on Aug 11, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Hwang, M.D. located?
The NPPES record lists a practice address at 1653 W Congress Pkwy, Chicago, IL, 60612. Phone: (312) 942-5000. Providers update this record themselves, so call before visiting.
How can I verify Margaret Hwang, M.D.'s license?
NPPES lists Illinois license number 125055025, 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.
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.