Ian M. Oppenheim, MD
Pulmonary Disease Physician · Washington, DC
Ian M. Oppenheim, MD is a pulmonary disease physician with a practice address in Washington, District of Columbia, and NPI 1033554605, issued on May 8, 2013. Check the license (District of Columbia MD049102, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Ian M. Oppenheim
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- MD049102 DC
Self-reported in NPPES; status is on the state search - Practice location
- 3800 Reservoir RD NW, Washington, DC 20007
- Phone
- (202) 444-8830
- Enumerated
- May 8, 2013
- Record last updated
- Apr 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20210407001509); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 76 in District of Columbia → Look up another NPI →
Also registered at 3800 Reservoir RD NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Kathleen AbalosInternal Medicine Physician1831451764
- Fuad AbbasStudent in an Organized Health Care Education/Training Program1467256834
- Valiollah AbbassiPediatric Endocrinology Physician1073511275
- Ahmed AbdelfatahStudent in an Organized Health Care Education/Training Program1326918269
- Zeinab Abdi, M.D.Pediatrics Physician1861781437
Verify Ian M. Oppenheim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD049102Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
75 Medicare Part D claims for 19 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 64% of claims.
Most prescribed
- Albuterol Sulfate Hfa14 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 80.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Medstar Medical Group II LLCWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ian M. Oppenheim among 76 pulmonary disease physician records in District of Columbia
Ian M. Oppenheim, MD is one of 76 pulmonary disease physician records with a practice address in District of Columbia. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 83% of them.
- NPI issued2013 · 83% of these records are older, 13% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2013 · median 2000 among the 48 with a school on file
- Record last updated2021 · 66% 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 District of Columbia 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 District of Columbia
There are 76 pulmonary disease physician records in District of Columbia.
All 76 in District of Columbia → Every provider in Washington → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Eric AndersonWashington, DC 200071346248382
- Nathan Cobb, MDWashington, DC 200071306822002
- Christine Fleury, MDWashington, DC 200071649435264
- Robin GrossWashington, DC 200071083699821
- Rebecca Krochmal, MDWashington, DC 200071700011632
- Deepa LazarousWashington, DC 200071255347076
- Michelle Milic, MDWashington, DC 200071114917036
- Sharon O'BrienWashington, DC 200071477541647
Common questions
What is Ian M. Oppenheim, MD's NPI number?
Ian M. Oppenheim, MD's National Provider Identifier (NPI) is 1033554605, issued on May 8, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Ian M. Oppenheim, MD located?
The NPPES record lists a practice address at 3800 Reservoir RD NW, Washington, DC, 20007. Phone: (202) 444-8830. Providers update this record themselves, so call before visiting.
How can I verify Ian M. Oppenheim, MD's license?
NPPES lists District of Columbia license number MD049102, as entered by the provider. Search the District of Columbia Board of Medicine at https://dchealth.dc.gov/bomed. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ian M. Oppenheim, MD prescribe under Medicare Part D?
In 2024, Ian M. Oppenheim, MD had 75 Medicare Part D claims for 19 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. Part D covers Medicare prescriptions only.
What is Ian M. Oppenheim, MD's MIPS final score?
The 2023 MIPS final score is 80.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.