Margaret Cookson Houser, MD
Diagnostic Radiology Physician · Washington, DC
Margaret Cookson Houser, MD is a diagnostic radiology physician with a practice address in Washington, District of Columbia, and NPI 1164916888, issued on Jun 16, 2018. Check the license (District of Columbia MD049082, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Margaret Cookson Houser
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- MD049082 DC
Self-reported in NPPES; status is on the state search - Practice location
- 2300 M St NW, Washington, DC 20037
- Phone
- (202) 711-3036
- Enumerated
- Jun 16, 2018
- Record last updated
- May 6, 2024
- Fax
- (202) 741-3019
- Medicare enrollment
- Enrolled (PECOS I20240711001653); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 172 in District of Columbia → Look up another NPI →
Also registered at 2300 M St NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Margaret Cookson Houser in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD049082Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Johns Hopkins UniversityWashington, DC
- Johns Hopkins UniversityWashington, DC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Cookson Houser among 172 diagnostic radiology physician records in District of Columbia
Margaret Cookson Houser, MD is one of 172 diagnostic radiology physician records with a practice address in District of Columbia. 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 2018, is newer than 88% of them.
- NPI issued2018 · 88% of these records are older, 8% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2018 · median 2003 among the 136 with a school on file
- Record last updated2024 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X 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).
Diagnostic Radiology Physician providers in District of Columbia
There are 172 diagnostic radiology physician records in District of Columbia.
All 172 in District of Columbia → Every provider in Washington → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Rachel Brem, M.D.Washington, DC 200371891854394
- Kathleen Brindle, M.D.Washington, DC 200371376614222
- Arthur Clark, MDWashington, DC 200371902864341
- Michael Hall, M.D.Washington, DC 200371528061058
- Marina Ioffe, MDWashington, DC 200371144480955
- Alexis Kladakis, M.D.Washington, DC 200371831149137
- John Lichtenberger, M.D.Washington, DC 200371215098504
- Barry Potter, M.D.Washington, DC 200371427123561
Common questions
What is Margaret Cookson Houser, MD's NPI number?
Margaret Cookson Houser, MD's National Provider Identifier (NPI) is 1164916888, issued on Jun 16, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Cookson Houser, MD located?
The NPPES record lists a practice address at 2300 M St NW, Washington, DC, 20037. Phone: (202) 711-3036. Providers update this record themselves, so call before visiting.
How can I verify Margaret Cookson Houser, MD's license?
NPPES lists District of Columbia license number MD049082, 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.
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.