Alan Weisz, D.D.S., M.S.
General Practice Dentistry · Libertyville, IL
Alan Weisz, D.D.S., M.S. is a general practice dentistry with a practice address in Libertyville, Illinois, and NPI 1922213065, issued on May 11, 2007. Check the license (Illinois 19015524, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alan Weisz
- Credential
- D.D.S., M.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 19015524 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1641 N Milwaukee Ave, Libertyville, IL 60048
- Phone
- (847) 367-6360
- Enumerated
- May 11, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (847) 367-8627
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 5,276 in Illinois → Look up another NPI →
Also registered at 1641 N Milwaukee Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alan Weisz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 19015524Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average general practice dentistry in 2024
17 Medicare Part D claims for 11 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $16.51
1 payment: food and beverage; the largest payer was GC America Inc. The 41,669 providers of this specialty with any payment received $597.01 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.
Alan Weisz among 5,276 general practice dentistry records in Illinois
Alan Weisz, D.D.S., M.S. is one of 5,276 general practice dentistry 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 32% of them.
- NPI issued2007 · 32% of these records are older, 43% 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 updated2007 · 75% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
30 general practice dentistry records list a practice address in Libertyville
They are 30 of the 1,361 NPPES records with a practice address in Libertyville, and 5,276 general practice dentistry records in Illinois.
All 5,276 in Illinois → Every provider in Libertyville → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Paul Contos, DDSLibertyville, IL 600481316046279
- Josephine Dabhi, DDS DENTISTLibertyville, IL 600481275638991
- Brian Danielewicz, D.D.S.Libertyville, IL 600481851460042
- Brian Guldbek, D.D.S.Libertyville, IL 600481063435352
- Joseph Hamman, D.D.S.Libertyville, IL 600481154412633
- Eugene Ingles, DDSLibertyville, IL 600481609890201
- Peter Kim, DDSLibertyville, IL 600481114002953
- Dennis Manning, D.D.S.Libertyville, IL 600481962412700
Common questions
What is Alan Weisz, D.D.S., M.S.'s NPI number?
Alan Weisz, D.D.S., M.S.'s National Provider Identifier (NPI) is 1922213065, issued on May 11, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Alan Weisz, D.D.S., M.S. located?
The NPPES record lists a practice address at 1641 N Milwaukee Ave, Libertyville, IL, 60048. Phone: (847) 367-6360. Providers update this record themselves, so call before visiting.
How can I verify Alan Weisz, D.D.S., M.S.'s license?
NPPES lists Illinois license number 19015524, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Alan Weisz, D.D.S., M.S. prescribe under Medicare Part D?
In 2024, Alan Weisz, D.D.S., M.S. had 17 Medicare Part D claims for 11 beneficiaries; the average among general practice dentistry prescribers was 83. 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.