Mark J. Landau, D.D.S.
General Practice Dentistry · Skokie, IL
Mark J. Landau, D.D.S. is a general practice dentistry with a practice address in Skokie, Illinois, and NPI 1194961185, issued on Dec 23, 2008. Check the license (Illinois 019020741, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark J. Landau
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 019020741 IL
Self-reported in NPPES; status is on the state search - Practice location
- 4709 Golf RD, Skokie, IL 60076
- Phone
- (847) 675-2100
- Enumerated
- Dec 23, 2008
- Record last updated
- Dec 23, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (847) 675-2102
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 5,276 in Illinois → Look up another NPI →
Also registered at 4709 Golf RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark J. Landau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 019020741Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average general practice dentistry in 2024
27 Medicare Part D claims for 20 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin21 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.
Mark J. Landau among 5,276 general practice dentistry records in Illinois
Mark J. Landau, D.D.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 2008, is newer than 57% of them.
- NPI issued2008 · 57% of these records are older, 36% 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 updated2008 · 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).
67 general practice dentistry records list a practice address in Skokie
They are 67 of the 2,210 NPPES records with a practice address in Skokie, and 5,276 general practice dentistry records in Illinois.
All 5,276 in Illinois → Every provider in Skokie → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Elliot Abt, D.D.S.Skokie, IL 600761548341001
- Jefferson BrockSkokie, IL 600761407974215
- Susan Doroshow, D.D.S.Skokie, IL 600761689798167
- Asher Gelman, DMDSkokie, IL 600761679707616
- Yendis Gibson, DDSSkokie, IL 600761255402616
- Douglas Hasegawa, D.D.S.Skokie, IL 600761255590030
- David Kaplan, D.D.S.Skokie, IL 600761194845354
- Raheel Khatri, D.M.DSkokie, IL 600761376942383
Common questions
What is Mark J. Landau, D.D.S.'s NPI number?
Mark J. Landau, D.D.S.'s National Provider Identifier (NPI) is 1194961185, issued on Dec 23, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mark J. Landau, D.D.S. located?
The NPPES record lists a practice address at 4709 Golf RD, Skokie, IL, 60076. Phone: (847) 675-2100. Providers update this record themselves, so call before visiting.
How can I verify Mark J. Landau, D.D.S.'s license?
NPPES lists Illinois license number 019020741, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Mark J. Landau, D.D.S. prescribe under Medicare Part D?
In 2024, Mark J. Landau, D.D.S. had 27 Medicare Part D claims for 20 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.