NPPES file of Aug 9, 2026

Stephen G. Marshall, DDS

Oral and Maxillofacial Surgery (Dentist) · Westchester, IL

Stephen G. Marshall, DDS is an oral and maxillofacial surgery (dentist) with a practice address in Westchester, Illinois, and NPI 1417010539, issued on Dec 19, 2006. 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
1417010539
Name
Stephen G. Marshall
Credential
DDS
Primary taxonomy
Oral and Maxillofacial Surgery (Dentist) 1223S0112X
Practice location
10510 W Cermak Road, Westchester, IL 60154
Phone
(708) 562-5526
Enumerated
Dec 19, 2006
Record last updated
Sep 11, 2025
Fax
(708) 562-9532
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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8 nearest oral and maxillofacial surgery (dentist) records → All 322 in Illinois → Look up another NPI →

Verify Stephen G. Marshall 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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80% fewer Medicare Part D claims than the average oral and maxillofacial surgery (dentist) in 2024

82 Medicare Part D claims for 52 beneficiaries, against an average of 406 among the 5,870 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 29 claims were for opioids.

  1. Stephen Marshall82
  2. Specialty average406

Most prescribed

  1. Acetaminophen-Codeine17 claims
  2. Amoxicillin14 claims
  3. Ibuprofen13 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.

Stephen G. Marshall among 322 oral and maxillofacial surgery (dentist) records in Illinois

Stephen G. Marshall, DDS is one of 322 oral and maxillofacial surgery (dentist) records with a practice address in Illinois. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 56% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileNo · 10% of these records are
  • Record last updated2025 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223S0112X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Oral and Maxillofacial Surgery (Dentist) providers in Illinois

There are 322 oral and maxillofacial surgery (dentist) records in Illinois.

All 322 in Illinois → Every provider in Westchester → Oral and Maxillofacial Surgery (Dentist) nationwide →

The 8 oral and maxillofacial surgery (dentist) records with the nearest ZIP codes

  1. Thomas Backeris, DMDMaywood, IL 601531417497850
  2. Austin Cacciaglia, DDSMaywood, IL 601531043982739
  3. Joel Gobble, DDSMaywood, IL 601531588157713
  4. Omid Hadj, DDSMaywood, IL 601531356090039
  5. Joseph Hirmiz, DDSMaywood, IL 601531518608546
  6. Colbern Josefchak, D.D.SMaywood, IL 601531902609134
  7. Patrick Kelly, D.D.S.Maywood, IL 601531326304528
  8. Jack Maddalozzo, DMDMaywood, IL 601531154269744

Common questions

What is Stephen G. Marshall, DDS's NPI number?

Stephen G. Marshall, DDS's National Provider Identifier (NPI) is 1417010539, issued on Dec 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Stephen G. Marshall, DDS located?

The NPPES record lists a practice address at 10510 W Cermak Road, Westchester, IL, 60154. Phone: (708) 562-5526. Providers update this record themselves, so call before visiting.

How can I verify Stephen G. Marshall, DDS's license?

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

How much does Stephen G. Marshall, DDS prescribe under Medicare Part D?

In 2024, Stephen G. Marshall, DDS had 82 Medicare Part D claims for 52 beneficiaries; the average among oral and maxillofacial surgery (dentist) prescribers was 406. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.