NPPES file of Aug 9, 2026

Alexander Franz Oster

Anesthesiology Physician · Washington, DC

Alexander Franz Oster is an anesthesiology physician with a practice address in Washington, District of Columbia, and NPI 1174151955, issued on Mar 29, 2020. Check the license (District of Columbia MD500003403, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1174151955
Name
Alexander Franz Oster
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
MD500003403 DC
Self-reported in NPPES; status is on the state search
Practice location
3800 Reservoir RD NW Dept OF, Washington, DC 20007
Phone
(202) 444-8556
Enumerated
Mar 29, 2020
Record last updated
Jun 3, 2024
Fax
(202) 444-8854
Medicare enrollment
Enrolled (PECOS I20240827003243); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 2020
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3800 Reservoir RD NW Dept OF

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

  1. Jeremy AdamsonStudent in an Organized Health Care Education/Training Program1518660620
  2. Marina AddarioAnesthesiology Physician1326677543
  3. Rameel AhmadInternal Medicine Physician1790313534
  4. Enat Ayele, MDStudent in an Organized Health Care Education/Training Program1053252999
  5. Roxana AzimiStudent in an Organized Health Care Education/Training Program1649920026
  6. Ryan Bailey, MDStudent in an Organized Health Care Education/Training Program1851195424

Verify Alexander Franz Oster in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
    Search for license MD500003403
    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
Open the District of Columbia license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. 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).

Alexander Franz Oster among 317 anesthesiology physician records in District of Columbia

Alexander Franz Oster is one of 317 anesthesiology 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 2020, is newer than 89% of them.

  • NPI issued2020 · 89% of these records are older, 7% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2020 · median 2006 among the 222 with a school on file
  • Record last updated2024 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X 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).

Anesthesiology Physician providers in District of Columbia

There are 317 anesthesiology physician records in District of Columbia.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Michelle Burnett, MDWashington, DC 200071376542381
  2. Ellen De Groof, MDWashington, DC 200071528009891
  3. Kerry DegrootWashington, DC 200071518965573
  4. Medhat HannallahWashington, DC 200071366440174
  5. Bideshwar KatariaWashington, DC 200071255330536
  6. Chin KimWashington, DC 200071619976875
  7. Young Duk KimWashington, DC 200071124027271
  8. Don LeeWashington, DC 200071457351280

Common questions

What is Alexander Franz Oster's NPI number?

Alexander Franz Oster's National Provider Identifier (NPI) is 1174151955, issued on Mar 29, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Alexander Franz Oster located?

The NPPES record lists a practice address at 3800 Reservoir RD NW Dept OF, Washington, DC, 20007. Phone: (202) 444-8556. Providers update this record themselves, so call before visiting.

How can I verify Alexander Franz Oster's license?

NPPES lists District of Columbia license number MD500003403, 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.