Dianne A. De Leon, MD
Dermatology Physician · Chicago, IL
Dianne A. De Leon, MD is a dermatology physician with a practice address in Chicago, Illinois, and NPI 1851656516, issued on Jul 9, 2012. Check the license (Illinois 036158125, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Dianne A. De Leon
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License numbers
- 036158125 IL
266092 MA
Self-reported in NPPES; status is on the state search - Practice location
- 4732 N Lincoln Ave Ste 200, Chicago, IL 60625
- Phone
- (312) 695-8106
- Enumerated
- Jul 9, 2012
- Record last updated
- Dec 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (312) 694-7291
- Medicare enrollment
- Enrolled (PECOS I20211019001606); accepts Medicare assignment
- Medical or professional school
- University Of Chicago, Pritzker School Of Medicine, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 647 in Illinois → Look up another NPI →
Also registered at 4732 N Lincoln Ave Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Allison Donovan, MDFamily Medicine Physician1003374141
- Alexandra Gauger, DNP, APRN, CNPNurse Practitioner1467140137
- Maura Jacobs, MDFamily Medicine Physician1376035931
Verify Dianne A. De Leon 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 036158125Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average dermatology physician in 2024
294 Medicare Part D claims for 120 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Ketoconazole80 claims
- Clindamycin Phosphate40 claims
- Triamcinolone Acetonide39 claims
- Econazole Nitrate22 claims
- Hydrocortisone19 claims
- Mupirocin18 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.
The MIPS final score for 2023 (Medicare payment program): 94.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $99.99
1 payment: education; the largest payer was Janssen Biotech, 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
- Northwestern Medical Faculty FoundationChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dianne A. De Leon among 647 dermatology physician records in Illinois
Dianne A. De Leon, 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 2012, is newer than 57% of them.
- NPI issued2012 · 57% of these records are older, 40% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2012 · median 2008 among the 440 with a school on file
- Record last updated2021 · 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 Chicago → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Scott Phillips, MDChicago, IL 606221053369967
- Neill Peters, M.D.Chicago, IL 606291215912795
- Regina Obrien, M.D.Chicago, IL 606311548617350
- Collette Ara Honore, M.D.Chicago, IL 606161174636930
- Taraneh Firoozi, MDChicago, IL 606341689764920
- Caroline Robinson, M.D.Chicago, IL 606161982044848
- Sarah Chamlin, MDChicago, IL 606141053370890
- Victoria BarbosaChicago, IL 606371578570024
Common questions
What is Dianne A. De Leon, MD's NPI number?
Dianne A. De Leon, MD's National Provider Identifier (NPI) is 1851656516, issued on Jul 9, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Dianne A. De Leon, MD located?
The NPPES record lists a practice address at 4732 N Lincoln Ave Ste 200, Chicago, IL, 60625. Phone: (312) 695-8106. Providers update this record themselves, so call before visiting.
How can I verify Dianne A. De Leon, MD's license?
NPPES lists Illinois license number 036158125, 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 Dianne A. De Leon, MD prescribe under Medicare Part D?
In 2024, Dianne A. De Leon, MD had 294 Medicare Part D claims for 120 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Dianne A. De Leon, MD's MIPS final score?
The 2023 MIPS final score is 94.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.