Gordon Harris Derman, M. D.
Specialist · Chicago, IL
Gordon Harris Derman, M. D. is a specialist with a practice address in Chicago, Illinois, and NPI 1184679235, issued on May 24, 2006. Check the license (Illinois 036055497, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gordon Harris Derman
- Credential
- M. D.
- Primary taxonomy
- Specialist 174400000X
- License number
- 036055497 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1725 W Harrison St, Chicago, IL 60612
- Phone
- (312) 432-9200
- Enumerated
- May 24, 2006
- Record last updated
- Jul 18, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (312) 432-9233
- Medicaid ID
- 036055497 IL
- Medicare enrollment
- Enrolled (PECOS I20060602000185); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 1975
- Entity
- Type 1 · individual
8 nearest specialist records → All 1,154 in Illinois → Look up another NPI →
Also registered at 1725 W Harrison St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gordon Harris Derman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 036055497Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average specialist in 2024
41 Medicare Part D claims for 19 beneficiaries, against an average of 1,380 among the 8,233 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.
Gordon Harris Derman among 1,154 specialist records in Illinois
Gordon Harris Derman, M. D. is one of 1,154 specialist records with a practice address in Illinois. 19% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 58% newer
- In a Medicare fileYes · 19% of these records are
- In the CMS Doctors and Clinicians fileYes · 11% of these records are
- Graduated1975 · median 1988 among the 127 with a school on file
- Record last updated2012 · 84% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in Illinois
There are 1,154 specialist records in Illinois.
All 1,154 in Illinois → Every provider in Chicago → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Rita Agarwala, MDChicago, IL 606121972542991
- Amjad Ali, M.D.Chicago, IL 606121952359184
- Elizabeth Comiskey, M.D.Chicago, IL 606121013965102
- Dean Elias, M.D.Chicago, IL 606121255399127
- Maija Freimanis, M.D.Chicago, IL 606121750349643
- Bruce McLeod, MDChicago, IL 606121366403768
- Jerry Petasnick, M.D.Chicago, IL 606121316905201
- Ruby Pouw, M.D.Chicago, IL 606121821072372
Common questions
What is Gordon Harris Derman, M. D.'s NPI number?
Gordon Harris Derman, M. D.'s National Provider Identifier (NPI) is 1184679235, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gordon Harris Derman, M. D. located?
The NPPES record lists a practice address at 1725 W Harrison St, Chicago, IL, 60612. Phone: (312) 432-9200. Providers update this record themselves, so call before visiting.
How can I verify Gordon Harris Derman, M. D.'s license?
NPPES lists Illinois license number 036055497, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Gordon Harris Derman, M. D. prescribe under Medicare Part D?
In 2024, Gordon Harris Derman, M. D. had 41 Medicare Part D claims for 19 beneficiaries; the average among specialist prescribers was 1,380. 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.