Irnest Stephen Oser, MD
Pulmonary Disease Physician · Silver Spring, MD
Irnest Stephen Oser, MD is a pulmonary disease physician with a practice address in Silver Spring, Maryland, and NPI 1063501187, issued on Oct 12, 2006. Check the license (Maryland D0003792, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Irnest Stephen Oser
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- D0003792 MD
Self-reported in NPPES; status is on the state search - Practice location
- 10301 Georgia Avenue, Silver Spring, MD 20902
- Phone
- (301) 681-7200
- Enumerated
- Oct 12, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (301) 681-5968
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 342 in Maryland → Look up another NPI →
Also registered at 10301 Georgia Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lila Bahadori, MDPulmonary Disease Physician1235228354
- Amy Gold, MS, CPNPPediatric Nurse Practitioner1376898650
- Ira Tauber, MDPulmonary Disease Physician1649369752
Verify Irnest Stephen Oser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0003792Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $237.92
2 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. The 8,806 providers of this specialty with any payment received $5,159.88 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.
Irnest Stephen Oser among 342 pulmonary disease physician records in Maryland
Irnest Stephen Oser, MD is one of 342 pulmonary disease physician records with a practice address in Maryland. 78% 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 16% of them.
- NPI issued2006 · 16% of these records are older, 42% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2007 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in Maryland
There are 342 pulmonary disease physician records in Maryland.
All 342 in Maryland → Every provider in Silver Spring → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Lila Bahadori, MDSilver Spring, MD 209021235228354
- Ira Tauber, MDSilver Spring, MD 209021649369752
- Thomas Walsh, M.D.Silver Spring, MD 209021215074612
- Maria Jison, MDKensington, MD 208951326080193
- Steven Kariya, MDKensington, MD 208951881696946
- Puneet Garcha, M.D.Silver Spring, MD 209101881868883
- Norton Elson, MDTakoma Park, MD 209121912941063
- Kevin Fennelly, M.D.Bethesda, MD 208921255352597
Common questions
What is Irnest Stephen Oser, MD's NPI number?
Irnest Stephen Oser, MD's National Provider Identifier (NPI) is 1063501187, issued on Oct 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Irnest Stephen Oser, MD located?
The NPPES record lists a practice address at 10301 Georgia Avenue, Silver Spring, MD, 20902. Phone: (301) 681-7200. Providers update this record themselves, so call before visiting.
How can I verify Irnest Stephen Oser, MD's license?
NPPES lists Maryland license number D0003792, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.