Stephanie D. Gan, MD
Dermatology Physician · Hinsdale, IL
Stephanie D. Gan, MD is a dermatology physician with a practice address in Hinsdale, Illinois, and NPI 1629399654, issued on Jun 14, 2010. Check the license (Illinois 036138235, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Stephanie D. Gan
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 036138235 IL
Self-reported in NPPES; status is on the state search - Practice location
- 40 S Clay St Ste Ll30e, Hinsdale, IL 60521
- Phone
- (630) 286-5050
- Enumerated
- Jun 14, 2010
- Record last updated
- Aug 8, 2023
- Medicare enrollment
- Enrolled (PECOS I20150713002292); accepts Medicare assignment
- Medical or professional school
- Boston University School Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 647 in Illinois → Look up another NPI →
Verify Stephanie D. Gan 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 036138235Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% more Medicare Part D claims than the average dermatology physician in 2024
1,135 Medicare Part D claims for 464 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Ketoconazole283 claims
- Triamcinolone Acetonide155 claims
- Doxycycline Hyclate85 claims
- Hydrocortisone50 claims
- Betamethasone Dipropionate41 claims
- Dutasteride39 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: $323.98
8 payments; by number, the most common kind was food and beverage; the largest payer was Dermavant Sciences, Inc. The 10,250 providers of this specialty with any payment received $8,544.61 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
- Dupage Medical Group LtdSchaumburg, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephanie D. Gan among 647 dermatology physician records in Illinois
Stephanie D. Gan, MD is one of 647 dermatology 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 2010, is newer than 52% of them.
- NPI issued2010 · 52% of these records are older, 45% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2010 · median 2008 among the 440 with a school on file
- Record last updated2023 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Illinois
There are 647 dermatology physician records in Illinois.
All 647 in Illinois → Every provider in Hinsdale → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Stephanie Bayers, MDHinsdale, IL 605211346668902
- Rachel Bognet, M.D.Hinsdale, IL 605211811158298
- Alix Charles, MDHinsdale, IL 605211902891377
- Rosemary Chen, MDHinsdale, IL 605211790769321
- Gina Dillig, M.D.Hinsdale, IL 605211114975158
- Sharon Fang, MDHinsdale, IL 605211821063223
- Louisa Gehlmann, M.D.Hinsdale, IL 605211316142045
- Christina Gutierrez-Steil, MDHinsdale, IL 605211588616288
Common questions
What is Stephanie D. Gan, MD's NPI number?
Stephanie D. Gan, MD's National Provider Identifier (NPI) is 1629399654, issued on Jun 14, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Stephanie D. Gan, MD located?
The NPPES record lists a practice address at 40 S Clay St Ste Ll30e, Hinsdale, IL, 60521. Phone: (630) 286-5050. Providers update this record themselves, so call before visiting.
How can I verify Stephanie D. Gan, MD's license?
NPPES lists Illinois license number 036138235, 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 Stephanie D. Gan, MD prescribe under Medicare Part D?
In 2024, Stephanie D. Gan, MD had 1,135 Medicare Part D claims for 464 beneficiaries; the average among dermatology physician prescribers was 797. 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.