Jonathan Flaksman
Dentist · Grayslake, IL
Jonathan Flaksman is a dentist with a practice address in Grayslake, Illinois, and NPI 1437609955, issued on Oct 7, 2016. Check the license (Illinois 019030839, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Jonathan Flaksman
- Primary taxonomy
- Dentist 122300000X
- License numbers
- 019030839 IL
DN22116 FL
Self-reported in NPPES; status is on the state search - Practice location
- 430 Barron Blvd, Grayslake, IL 60030
- Phone
- (847) 962-1057
- Enumerated
- Oct 7, 2016
- Record last updated
- Nov 2, 2016 (not updated in 10 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 →
Also registered at 430 Barron Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicole Johnson, LMTMassage Therapist1265832679
Verify Jonathan Flaksman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 019030839Check 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 dentist in 2024
17 Medicare Part D claims for 15 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin11 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.
Jonathan Flaksman among 4,522 dentist records in Illinois
Jonathan Flaksman 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 2016, is newer than 68% of them.
- NPI issued2016 · 68% of these records are older, 29% 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 updated2016 · 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).
8 dentist records list a practice address in Grayslake
They are 8 of the 572 NPPES records with a practice address in Grayslake, and 4,522 dentist records in Illinois.
All 4,522 in Illinois → Every provider in Grayslake → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- Yaroslav German, DMDGrayslake, IL 600301134280845
- Susan Oh, DDSGrayslake, IL 600301306968326
- Cassidy Phagan, DDSGrayslake, IL 600301790338853
- Elizabeth Schaik, D.D.S.Grayslake, IL 600301841603354
- Patricia Schweitzer, DDSGrayslake, IL 600301831651538
- Eric Smyth, DDSGrayslake, IL 600301831341510
- Elaine Winegard, D.M.D.Grayslake, IL 600301770562472
- Duc Chung, DDSGurnee, IL 600311881795656
Common questions
What is Jonathan Flaksman's NPI number?
Jonathan Flaksman's National Provider Identifier (NPI) is 1437609955, issued on Oct 7, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Flaksman located?
The NPPES record lists a practice address at 430 Barron Blvd, Grayslake, IL, 60030. Phone: (847) 962-1057. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Flaksman's license?
NPPES lists Illinois license number 019030839, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Jonathan Flaksman prescribe under Medicare Part D?
In 2024, Jonathan Flaksman had 17 Medicare Part D claims for 15 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.