Carl Alexander-Mutter Leonard
Dentist · Chicago, IL
Carl Alexander-Mutter Leonard is a dentist with a practice address in Chicago, Illinois, and NPI 1508054586, issued on Oct 4, 2007. Check the license (Illinois 019027364, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Carl Alexander-Mutter Leonard
- Primary taxonomy
- Dentist 122300000X
- License number
- 019027364 IL
Self-reported in NPPES; status is on the state search - Practice location
- 434 W Ontario St Ste 300, Chicago, IL 60654
- Phone
- (312) 475-9751
- Enumerated
- Oct 4, 2007
- Record last updated
- Dec 18, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 4,522 in Illinois → Look up another NPI →
Verify Carl Alexander-Mutter Leonard in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 019027364Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% more Medicare Part D claims than the average dentist in 2024
96 Medicare Part D claims for 56 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Amoxicillin56 claims
- Clindamycin Hcl13 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: $129.10
5 payments; by number, the most common kind was food and beverage; the largest payer was BioHorizons Implant Systems Inc. The 31,974 providers of this specialty with any payment received $540.36 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.
Carl Alexander-Mutter Leonard among 4,522 dentist records in Illinois
Carl Alexander-Mutter Leonard is one of 4,522 dentist records with a practice address in Illinois. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 19% of them.
- NPI issued2007 · 19% of these records are older, 62% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2018 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,148 dentist records list a practice address in Chicago
They are 1,148 of the 63,379 NPPES records with a practice address in Chicago, and 4,522 dentist records in Illinois.
All 4,522 in Illinois → Every provider in Chicago → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Humam Alnajjar, D.D.SChicago, IL 606541871888537
- Atta Bader, DMDChicago, IL 606541144583550
- Nadya Dedov, D.M.D.Chicago, IL 606541538419098
- Thomas Endicott, D.D.S.Chicago, IL 606541124261623
- Lionel Gibson, DMDChicago, IL 606541417235524
- Sunil Kurup, D.D.S.Chicago, IL 606541891930038
- Eun Hye LeeChicago, IL 606541073893434
- Saurabh Mannan, DMD, MPHChicago, IL 606541053602896
Common questions
What is Carl Alexander-Mutter Leonard's NPI number?
Carl Alexander-Mutter Leonard's National Provider Identifier (NPI) is 1508054586, issued on Oct 4, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Carl Alexander-Mutter Leonard located?
The NPPES record lists a practice address at 434 W Ontario St Ste 300, Chicago, IL, 60654. Phone: (312) 475-9751. Providers update this record themselves, so call before visiting.
How can I verify Carl Alexander-Mutter Leonard's license?
NPPES lists Illinois license number 019027364, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Carl Alexander-Mutter Leonard prescribe under Medicare Part D?
In 2024, Carl Alexander-Mutter Leonard had 96 Medicare Part D claims for 56 beneficiaries; the average among dentist prescribers was 86. 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.