Mark J. Holzer, DDS, RPH
General Practice Dentistry · Niles, IL
Mark J. Holzer, DDS, RPH is a general practice dentistry with a practice address in Niles, Illinois, and NPI 1396893764, issued on Jan 8, 2007. Check the license (Illinois 019-021131, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark J. Holzer
- Credential
- DDS, RPH
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License numbers
- 019-021131 IL
051-039887 IL
Self-reported in NPPES; status is on the state search - Practice location
- 241 Golf Mill Ctr, Niles, IL 60714
- Phone
- (847) 298-5885
- Enumerated
- Jan 8, 2007
- Record last updated
- Feb 25, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (847) 298-2938
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 5,276 in Illinois → Look up another NPI →
Also registered at 241 Golf Mill Ctr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jorge Aliaga, M.D.Gastroenterology Physician1013019504
- Simon Boyarskiy, D.D.S., M.SDentist1447362678
- Jill Brobson, M.A.Speech-Language Pathologist1225232879
- Shannon Burke, DCChiropractor1952480865
- Amy Bye, B.S., D.T.Developmental Therapist1740475466
- Christopher Chah, D.M.D.General Practice Dentistry1730216367
Verify Mark J. Holzer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 019-021131Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average general practice dentistry in 2024
20 Medicare Part D claims for 15 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.
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. Holzer among 5,276 general practice dentistry records in Illinois
Mark J. Holzer, DDS, RPH 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 updated2016 · 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).
31 general practice dentistry records list a practice address in Niles
They are 31 of the 589 NPPES records with a practice address in Niles, and 5,276 general practice dentistry records in Illinois.
All 5,276 in Illinois → Every provider in Niles → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Seung Eun Baik, DDSNiles, IL 607141033190913
- Spiro Barlas, DDSNiles, IL 607141043379373
- Raymond Bielinski, DDSNiles, IL 607141164571790
- Marina Borochin, DDSNiles, IL 607141649234683
- Ira Dolnick, D.D.S.Niles, IL 607141942264890
- Richard Kruger, DDSNiles, IL 607141821154907
- Chris Kyros, DDSNiles, IL 607141275522153
- Gary Lamantia, D.D.S.Niles, IL 607141033114434
Common questions
What is Mark J. Holzer, DDS, RPH's NPI number?
Mark J. Holzer, DDS, RPH's National Provider Identifier (NPI) is 1396893764, issued on Jan 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark J. Holzer, DDS, RPH located?
The NPPES record lists a practice address at 241 Golf Mill Ctr, Niles, IL, 60714. Phone: (847) 298-5885. Providers update this record themselves, so call before visiting.
How can I verify Mark J. Holzer, DDS, RPH's license?
NPPES lists Illinois license number 019-021131, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Mark J. Holzer, DDS, RPH prescribe under Medicare Part D?
In 2024, Mark J. Holzer, DDS, RPH had 20 Medicare Part D claims for 15 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.