Mark D. Gendleman, M.D.
Specialist · Evanston, IL
Mark D. Gendleman, M.D. is a specialist with a practice address in Evanston, Illinois, and NPI 1457339863, issued on Jan 5, 2006. Check the license (Illinois 036045834, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark D. Gendleman
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- 036045834 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2500 Ridge Ave, Evanston, IL 60201
- Phone
- (847) 475-4556
- Enumerated
- Jan 5, 2006
- Record last updated
- Mar 11, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (847) 475-4565
- Medicaid ID
- 036045834 IL
- Entity
- Type 1 · individual
8 nearest specialist records → All 1,154 in Illinois → Look up another NPI →
Also registered at 2500 Ridge Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark D. Gendleman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 036045834Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average specialist in 2024
396 Medicare Part D claims for 197 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Triamcinolone Acetonide85 claims
- Hydrocortisone63 claims
- Betamethasone Dipropionate44 claims
- Mupirocin42 claims
- Metronidazole20 claims
- Prednisone16 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Mark D. Gendleman among 1,154 specialist records in Illinois
Mark D. Gendleman, 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 fileNo · 11% of these records are
- Record last updated2015 · 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 Evanston → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Kerstin Alischoewski, MDEvanston, IL 602011093792707
- William Bloomer, M.D.Evanston, IL 602011033158639
- Dana Boskovich Tasic, MDEvanston, IL 602011295783595
- Randi Ettner, PHDEvanston, IL 602011710038674
- Jane Fresne, D.N.Evanston, IL 602011780764175
- James Goldstone, MDEvanston, IL 602011225108194
- Alexander Kemel, M.D.Evanston, IL 602011912942483
- David Kuo, D.OEvanston, IL 602011922105972
Common questions
What is Mark D. Gendleman, M.D.'s NPI number?
Mark D. Gendleman, M.D.'s National Provider Identifier (NPI) is 1457339863, issued on Jan 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark D. Gendleman, M.D. located?
The NPPES record lists a practice address at 2500 Ridge Ave, Evanston, IL, 60201. Phone: (847) 475-4556. Providers update this record themselves, so call before visiting.
How can I verify Mark D. Gendleman, M.D.'s license?
NPPES lists Illinois license number 036045834, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Mark D. Gendleman, M.D. prescribe under Medicare Part D?
In 2024, Mark D. Gendleman, M.D. had 396 Medicare Part D claims for 197 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.
What is Mark D. Gendleman, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.