NPPES file of Aug 9, 2026

Marvin L. Speer, DDS MS

Endodontics · Alton, IL

Marvin L. Speer, DDS MS is an endodontics with a practice address in Alton, Illinois, and NPI 1295724045, issued on Oct 14, 2005. Check the license (Illinois 136000238, as entered in NPPES) 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
1295724045
Name
Marvin L. Speer
Credential
DDS MS
Primary taxonomy
Endodontics 1223E0200X
License numbers
136000238 IL
136.000238 IL
Self-reported in NPPES; status is on the state search
Practice location
2800 College Ave Bldg 273, Alton, IL 62002
Phone
(618) 474-7068
Enumerated
Oct 14, 2005
Record last updated
Dec 14, 2022
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 endodontics records → All 214 in Illinois → Look up another NPI →

Also registered at 2800 College Ave Bldg 273

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

  1. Lucas Steele, D.M.DDentist1922489756
  2. Polymnia Tsotsis, DMDEndodontics1083284160

Verify Marvin L. Speer in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 136000238    Check 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
Find the Illinois license search

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Industry payments in 2024: $41.36

2 payments; by number, the most common kind was food and beverage; the largest payer was Dentsply Sirona Inc. The 2,057 providers of this specialty with any payment received $49,739.86 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marvin Speer$41
  2. Specialty average$49,740

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Marvin L. Speer among 214 endodontics records in Illinois

Marvin L. Speer, DDS MS is one of 214 endodontics 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 98% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2022 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endodontics providers in Illinois

There are 214 endodontics records in Illinois.

All 214 in Illinois → Every provider in Alton → Endodontics nationwide →

The 8 endodontics records with the nearest ZIP codes

  1. Vasiliki Kytridou, D.D.S.Alton, IL 620021194380741
  2. Polymnia Tsotsis, DMDAlton, IL 620021083284160
  3. Roxanne Benison, DMD MSGlen Carbon, IL 620341285651703
  4. John Hatton, DMDGlen Carbon, IL 620341396755120
  5. Cathy Longos, DMDGlen Carbon, IL 620341114088812
  6. Kanika RyanGlen Carbon, IL 620341043934433
  7. Aaron Etcheson, D.M.D., M.S.Jerseyville, IL 620521346478062
  8. Edward Rose, DMD, MSMaryville, IL 620621992922876

Common questions

What is Marvin L. Speer, DDS MS's NPI number?

Marvin L. Speer, DDS MS's National Provider Identifier (NPI) is 1295724045, issued on Oct 14, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Marvin L. Speer, DDS MS located?

The NPPES record lists a practice address at 2800 College Ave Bldg 273, Alton, IL, 62002. Phone: (618) 474-7068. Providers update this record themselves, so call before visiting.

How can I verify Marvin L. Speer, DDS MS's license?

NPPES lists Illinois license number 136000238, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity 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.