Niven T. Tien, DDS,MD
Oral and Maxillofacial Surgery (Dentist) · Washington, DC
Niven T. Tien, DDS,MD is an oral and maxillofacial surgery (dentist) with a practice address in Washington, District of Columbia, and NPI 1720154495, issued on Nov 27, 2006. Check the license (District of Columbia DEN1001223, as entered in NPPES) with the District of Columbia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Niven T. Tien
- Credential
- DDS,MD
- Primary taxonomy
- Oral and Maxillofacial Surgery (Dentist) 1223S0112X
- License numbers
- DEN1001223 DC
MD044528 DC
14962 MD
D0075315 MD
Self-reported in NPPES; status is on the state search - Practice location
- 4301 50TH St NW Ste 200, Washington, DC 20016
- Phone
- (202) 360-4032
- Enumerated
- Nov 27, 2006
- Record last updated
- Nov 14, 2024
- Entity
- Type 1 · individual
8 nearest oral and maxillofacial surgery (dentist) records → All 32 in District of Columbia → Look up another NPI →
Verify Niven T. Tien 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 DEN1001223Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% more Medicare Part D claims than the average oral and maxillofacial surgery (dentist) in 2024
582 Medicare Part D claims for 169 beneficiaries, against an average of 406 among the 5,870 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 99 claims were for opioids.
Most prescribed
- Chlorhexidine Gluconate188 claims
- Ibuprofen122 claims
- Hydrocodone-Acetaminophen90 claims
- Amoxicillin58 claims
- Penicillin V Potassium57 claims
- Amoxicillin-Clavulanate Potass17 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.
Industry payments in 2024: $128.01
2 payments; by number, the most common kind was food and beverage; the largest payer was Straumann USA LLC. The 4,075 providers of this specialty with any payment received $1,077.58 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.
Niven T. Tien among 32 oral and maxillofacial surgery (dentist) records in District of Columbia
Niven T. Tien, DDS,MD is one of 32 oral and maxillofacial surgery (dentist) records with a practice address in District of Columbia. 72% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 78% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 9% of these records are
- Record last updated2024 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223S0112X 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).
Oral and Maxillofacial Surgery (Dentist) providers in District of Columbia
There are 32 oral and maxillofacial surgery (dentist) records in District of Columbia.
All 32 in District of Columbia → Every provider in Washington → Oral and Maxillofacial Surgery (Dentist) nationwide →
The 8 oral and maxillofacial surgery (dentist) records with the nearest ZIP codes
- Edward Mopsik, D.M.D.Washington, DC 200161558355503
- Ahmed Tamim, M.D.Washington, DC 200191336405976
- Robert Jones, D.D.S.Washington, DC 200121982741104
- Saif Abdulateef, BDS, DMDWashington, DC 200101285031153
- Ravi Agarwal, D.D.SWashington, DC 200101982864898
- Sarina DodhiaWashington, DC 200101396374542
- George Obeid, DDSWashington, DC 200101346212255
- Siamak Nasseri, DMDWashington, DC 200091215177324
Common questions
What is Niven T. Tien, DDS,MD's NPI number?
Niven T. Tien, DDS,MD's National Provider Identifier (NPI) is 1720154495, issued on Nov 27, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Niven T. Tien, DDS,MD located?
The NPPES record lists a practice address at 4301 50TH St NW Ste 200, Washington, DC, 20016. Phone: (202) 360-4032. Providers update this record themselves, so call before visiting.
How can I verify Niven T. Tien, DDS,MD's license?
NPPES lists District of Columbia license number DEN1001223, as entered by the provider. Search the District of Columbia board that licenses this profession; the NPPES record confirms identity only.
How much does Niven T. Tien, DDS,MD prescribe under Medicare Part D?
In 2024, Niven T. Tien, DDS,MD had 582 Medicare Part D claims for 169 beneficiaries; the average among oral and maxillofacial surgery (dentist) prescribers was 406. 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.