Registry data as of Aug 27, 2026

Niven Tien, DDS,MD

Oral & Maxillofacial Surgery (D.M.D.) · Washington, DC

Niven Tien, DDS,MD is an oral & maxillofacial surgery (d.m.d.) with a practice address in Washington, District of Columbia, and NPI 1720154495, issued on Nov 27, 2006. Check the license with the District of Columbia board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1720154495
Name
Niven Tien
Credential
DDS,MD
Primary taxonomy
Oral & Maxillofacial Surgery (D.M.D.) 204E00000X
Practice location
4301 50TH St NW Ste 200, Washington, DC 20016
Phone
(202) 360-4032
Enumerated
Nov 27, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Niven Tien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich District of Columbia board licenses this professionCheck 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
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63% more Medicare Part D claims than the average oral & maxillofacial surgery (d.m.d.) in 2024

582 Medicare Part D claims for 169 beneficiaries, against an average of 357 among the 795 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 99 claims were for opioids.

  1. Niven Tien582
  2. Specialty average357

Most prescribed

  1. Chlorhexidine Gluconate188 claims
  2. Ibuprofen122 claims
  3. Hydrocodone-Acetaminophen90 claims
  4. Amoxicillin58 claims
  5. Penicillin V Potassium57 claims
  6. 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, mostly food and beverage; the largest payer was Straumann USA LLC. The 611 providers of this specialty with any payment received $1,321.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Niven Tien$128.01
  2. Specialty average$1,321.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Oral & Maxillofacial Surgery (D.M.D.) providers in District of Columbia

There are 3 oral & maxillofacial surgery (d.m.d.) records in District of Columbia.

Other oral & maxillofacial surgery (d.m.d.) records in District of Columbia

  1. Robert Emery, DDSWashington, DC1568470938
  2. Steven Guttenberg, DDS MDWashington, DC1194739508

Common questions

What is Niven Tien, DDS,MD's NPI number?

Niven 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 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 Tien, DDS,MD's license?

Search the District of Columbia board that licenses this profession; the NPPES record confirms identity only.

How much does Niven Tien, DDS,MD prescribe under Medicare Part D?

In 2024, Niven Tien, DDS,MD had 582 Medicare Part D claims for 169 beneficiaries; the average among oral & maxillofacial surgery (d.m.d.) prescribers was 357. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.