Tatsuhiko Osada, D.D.S.
Dentist · Washington, DC
Tatsuhiko Osada, D.D.S. is a dentist with a practice address in Washington, District of Columbia, and NPI 1336373075, issued on May 10, 2009. Check the license (District of Columbia DEN1000890, as entered in NPPES) with the District of Columbia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tatsuhiko Osada
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License numbers
- DEN1000890 DC
14410 MD
0401412789 VA
Self-reported in NPPES; status is on the state search - Practice location
- 3020 14TH St NW, Washington, DC 20009
- Phone
- (443) 253-8993
- Enumerated
- May 10, 2009
- Record last updated
- Oct 4, 2011 (not updated in 15 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 3020 14TH St NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Siham AbdiMidwife1790373256
- Vanessa Acosta, APRNPsychiatric/Mental Health Nurse Practitioner1881431203
- Marjorie Archila, PA-CPhysician Assistant1730046848
- Daniel Baker, MS, RN, AGACNP-BCAcute Care Nurse Practitioner1144689258
- Arnaz Bankwalla, M.D.Family Medicine Physician1760454045
- Latoya Barham, DDSPediatric Dentistry1508955378
Verify Tatsuhiko Osada in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich District of Columbia board licenses this profession
Search for license DEN1000890Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average dentist in 2024
17 Medicare Part D claims for 14 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Ibuprofen14 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.
346 dentist records list a practice address in Washington
They are 346 of the 45,857 NPPES records with a practice address in Washington, and 355 dentist records in District of Columbia.
All 346 in Washington → All 355 in District of Columbia → Every provider in Washington →
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Common questions
What is Tatsuhiko Osada, D.D.S.'s NPI number?
Tatsuhiko Osada, D.D.S.'s National Provider Identifier (NPI) is 1336373075, issued on May 10, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Tatsuhiko Osada, D.D.S. located?
The NPPES record lists a practice address at 3020 14TH St NW, Washington, DC, 20009. Phone: (443) 253-8993. Providers update this record themselves, so call before visiting.
How can I verify Tatsuhiko Osada, D.D.S.'s license?
NPPES lists District of Columbia license number DEN1000890, as entered by the provider. Search the District of Columbia board that licenses this profession; the NPPES record confirms identity only.
How much does Tatsuhiko Osada, D.D.S. prescribe under Medicare Part D?
In 2024, Tatsuhiko Osada, D.D.S. had 17 Medicare Part D claims for 14 beneficiaries; the average among dentist prescribers was 86. 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.