David Gilbert Oser, DDS
Endodontics · Chicago, IL
David Gilbert Oser, DDS is an endodontics with a practice address in Chicago, Illinois, and NPI 1619237088, issued on May 20, 2012. Check the license (Illinois 019031109, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Gilbert Oser
- Credential
- DDS
- Primary taxonomy
- Endodontics 1223E0200X
- License numbers
- 019031109 IL
DN1856206 MA
Self-reported in NPPES; status is on the state search - Practice location
- 901 W Madison St Unit 619, Chicago, IL 60607
- Phone
- (608) 886-7924
- Enumerated
- May 20, 2012
- Record last updated
- Nov 9, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest endodontics records → All 214 in Illinois → Look up another NPI →
Verify David Gilbert Oser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 019031109Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% more Medicare Part D claims than the average endodontics in 2024
210 Medicare Part D claims for 173 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin105 claims
- Amoxicillin-Clavulanate Potass51 claims
- Azithromycin26 claims
- Methylprednisolone15 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.
Industry payments in 2024: $110.00
1 payment: 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
David Gilbert Oser among 214 endodontics records in Illinois
David Gilbert Oser, DDS 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 2012, is newer than 78% of them.
- NPI issued2012 · 78% of these records are older, 19% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2018 · 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 Chicago → Endodontics nationwide →
The 8 endodontics records with the nearest ZIP codes
- Brooke Benson, D.D.S.Chicago, IL 606071073774816
- Vikash Huliyar, DDS, MSChicago, IL 606071962841601
- Lester Chernick, DDSChicago, IL 606111144393919
- Kyung-Soo Choi, DDSChicago, IL 606111659624153
- Peter Lio, DDS.,M.SChicago, IL 606111366518573
- Luis Martinez Gil, DDS, MSChicago, IL 606111013697820
- Martha Proctor, DDS, MSChicago, IL 606111619041944
- Joshua Ries, DMDChicago, IL 606111073673323
Common questions
What is David Gilbert Oser, DDS's NPI number?
David Gilbert Oser, DDS's National Provider Identifier (NPI) is 1619237088, issued on May 20, 2012. An NPI identifies a provider in billing; it is not a license.
Where is David Gilbert Oser, DDS located?
The NPPES record lists a practice address at 901 W Madison St Unit 619, Chicago, IL, 60607. Phone: (608) 886-7924. Providers update this record themselves, so call before visiting.
How can I verify David Gilbert Oser, DDS's license?
NPPES lists Illinois license number 019031109, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does David Gilbert Oser, DDS prescribe under Medicare Part D?
In 2024, David Gilbert Oser, DDS had 210 Medicare Part D claims for 173 beneficiaries; the average among endodontics prescribers was 121. 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.