NPPES file of Aug 9, 2026

John Michael Green, D.D.S.

Dentist · Oak Lawn, IL

John Michael Green, D.D.S. is a dentist with a practice address in Oak Lawn, Illinois, and NPI 1952425605, issued on Mar 19, 2007. Check the license with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952425605
Name
John Michael Green
Credential
D.D.S.
Primary taxonomy
Dentist 122300000X
Practice location
4608 W 103RD St, Oak Lawn, IL 60453
Phone
(708) 424-9515
Enumerated
Mar 19, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(630) 920-0213
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify John Michael Green in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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74% fewer Medicare Part D claims than the average dentist in 2024

22 Medicare Part D claims, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D.

  1. John Green22
  2. Specialty average86

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.

John Michael Green among 4,522 dentist records in Illinois

John Michael Green, D.D.S. 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 updated2007 · 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).

41 dentist records list a practice address in Oak Lawn

They are 41 of the 2,993 NPPES records with a practice address in Oak Lawn, and 4,522 dentist records in Illinois.

The 8 dentist records with the nearest ZIP codes

  1. Ghassan Abdallah, DMDOak Lawn, IL 604531720179021
  2. Dennis Dwyer, DDSOak Lawn, IL 604531588784698
  3. Richard Hrad, D.D.S.Oak Lawn, IL 604531164422606
  4. James Javorski, DDSOak Lawn, IL 604531043374242
  5. Simmi Kapur, DDSOak Lawn, IL 604531225109192
  6. Craig Kostrubala, DDSOak Lawn, IL 604531770700536
  7. Terrence Needham, DDSOak Lawn, IL 604531306909593
  8. Brian Ruby, DDSOak Lawn, IL 604531780804542

Common questions

What is John Michael Green, D.D.S.'s NPI number?

John Michael Green, D.D.S.'s National Provider Identifier (NPI) is 1952425605, issued on Mar 19, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John Michael Green, D.D.S. located?

The NPPES record lists a practice address at 4608 W 103RD St, Oak Lawn, IL, 60453. Phone: (708) 424-9515. Providers update this record themselves, so call before visiting.

How can I verify John Michael Green, D.D.S.'s license?

Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does John Michael Green, D.D.S. prescribe under Medicare Part D?

In 2024, John Michael Green, D.D.S. had 22 Medicare Part D claims; 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.