David J. Benditzson, M.D.
Specialist · Chicago, IL
David J. Benditzson, M.D. is a specialist with a practice address in Chicago, Illinois, and NPI 1518946656, issued on Jan 16, 2006. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David J. Benditzson
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- Practice location
- 55 E Washington St, Chicago, IL 60602
- Phone
- (312) 266-1222
- Enumerated
- Jan 16, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (312) 541-2810
- Medicare enrollment
- Enrolled (PECOS I20090120000149); may accept Medicare assignment
- Medical or professional school
- Chicago College Of Medicine And Surgery, 1965
- Entity
- Type 1 · individual
8 nearest specialist records → All 1,154 in Illinois → Look up another NPI →
Also registered at 55 E Washington St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David J. Benditzson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% fewer Medicare Part D claims than the average specialist in 2024
344 Medicare Part D claims for 33 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
- Atorvastatin Calcium46 claims
- Rosuvastatin Calcium38 claims
- Telmisartan35 claims
- Amlodipine Besylate22 claims
- Metformin Hcl17 claims
- Jardiance15 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.
David J. Benditzson among 1,154 specialist records in Illinois
David J. Benditzson, 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
- Graduated1965 · median 1988 among the 127 with a school on file
- Record last updated2007 · 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
- Carole Berk, PSY.D.Chicago, IL 606021629157573
- Jamie Klausing, BA, RMTChicago, IL 606021396342424
- Mette MenottiChicago, IL 606021811329212
- Amy Rosofsky, L.E.Chicago, IL 606021255182580
- Steve GillaniChicago, IL 606011992031751
- Sheldon Meyers, M.D.Chicago, IL 606031306986153
- Vanessa Barbosa, PHD, OTR LChicago, IL 606051528103066
- Jeffrey Goode, M.P.T.Chicago, IL 606051023235660
Common questions
What is David J. Benditzson, M.D.'s NPI number?
David J. Benditzson, M.D.'s National Provider Identifier (NPI) is 1518946656, issued on Jan 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David J. Benditzson, M.D. located?
The NPPES record lists a practice address at 55 E Washington St, Chicago, IL, 60602. Phone: (312) 266-1222. Providers update this record themselves, so call before visiting.
How can I verify David J. Benditzson, M.D.'s license?
Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does David J. Benditzson, M.D. prescribe under Medicare Part D?
In 2024, David J. Benditzson, M.D. had 344 Medicare Part D claims for 33 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.