NPPES file of Aug 9, 2026

Gregory Nelson Stern, D.D.S.

Dentist · Oak Forest, IL

Gregory Nelson Stern, D.D.S. is a dentist with a practice address in Oak Forest, Illinois, and NPI 1609903723, issued on Feb 27, 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
1609903723
Name
Gregory Nelson Stern
Credential
D.D.S.
Primary taxonomy
Dentist 122300000X
Practice location
5950 159TH St, Oak Forest, IL 60452
Phone
(708) 687-4280
Enumerated
Feb 27, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
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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Also registered at 5950 159TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Peter Austin, D.D.S.Dentist1356478481
  2. Sabrina KirmaniDentist1700668241

Verify Gregory Nelson Stern 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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17% fewer Medicare Part D claims than the average dentist in 2024

71 Medicare Part D claims for 53 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.

  1. Gregory Stern71
  2. Specialty average86

Most prescribed

  1. Amoxicillin40 claims
  2. Clindamycin Hcl11 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.

10 dentist records list a practice address in Oak Forest

They are 10 of the 308 NPPES records with a practice address in Oak Forest, and 4,522 dentist records in Illinois.

Other dentist records in Illinois

  1. Naailah Aaishah, DMDChicago, IL1770404774
  2. Juan Abadia, D.D.S.Wheeling, IL1619389681
  3. Gilbert Abadilla, DDSBloomingdale, IL1710003686
  4. Marwan Abbas, DMDChicago, IL1912490749
  5. David Abbott, D.D.S.Wheaton, IL1114133733
  6. Abdallah AbboudChicago, IL1962702068
  7. Nancy Abdala, D.D.S.Chicago, IL1467682302
  8. Fathi Abdallah, DMDOak Lawn, IL1447827225
  9. Ghassan Abdallah, DMDOak Lawn, IL1720179021
  10. Housam Abdallah, DMDJoliet, IL1811673973

Common questions

What is Gregory Nelson Stern, D.D.S.'s NPI number?

Gregory Nelson Stern, D.D.S.'s National Provider Identifier (NPI) is 1609903723, issued on Feb 27, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Nelson Stern, D.D.S. located?

The NPPES record lists a practice address at 5950 159TH St, Oak Forest, IL, 60452. Phone: (708) 687-4280. Providers update this record themselves, so call before visiting.

How can I verify Gregory Nelson Stern, D.D.S.'s license?

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

How much does Gregory Nelson Stern, D.D.S. prescribe under Medicare Part D?

In 2024, Gregory Nelson Stern, D.D.S. had 71 Medicare Part D claims for 53 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.