John Tsaknis, D.D.S.
General Practice Dentistry · Washington, DC
John Tsaknis, D.D.S. is a general practice dentistry with a practice address in Washington, District of Columbia, and NPI 1568514206, issued on Jan 16, 2007. Check the license (District of Columbia DENT1000347, as entered in NPPES) with the District of Columbia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Tsaknis
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- DENT1000347 DC
Self-reported in NPPES; status is on the state search - Practice location
- 1221 Massachusetts Ave NW, Washington, DC 20005
- Phone
- (202) 628-7979
- Enumerated
- Jan 16, 2007
- Record last updated
- Jul 27, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (202) 628-2179
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 377 in District of Columbia → Look up another NPI →
Also registered at 1221 Massachusetts Ave NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Indra Mustapha, DDA, MS, PHDDentist1639315377
Verify John Tsaknis 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 DENT1000347Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $130.76
1 payment: food and beverage; the largest payer was Itamar Medical Inc. The 41,669 providers of this specialty with any payment received $597.01 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.
John Tsaknis among 377 general practice dentistry records in District of Columbia
John Tsaknis, D.D.S. is one of 377 general practice dentistry records with a practice address in District of Columbia. 50% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 26% of them.
- NPI issued2007 · 26% of these records are older, 52% newer
- In a Medicare fileYes · 50% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2020 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X 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).
365 general practice dentistry records list a practice address in Washington
They are 365 of the 45,857 NPPES records with a practice address in Washington, and 377 general practice dentistry records in District of Columbia.
All 377 in District of Columbia → Every provider in Washington → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Samantha Ben-EzraWashington, DC 200051063076438
- Michael Blicher, D.D.S.Washington, DC 200051952464083
- Daniel Deutsch, DDSWashington, DC 200051508113812
- Keri Giron, DDSWashington, DC 200051346489374
- Patrick Howard, D.D.SWashington, DC 200051033443544
- Ali Kafashzadeh, DMDWashington, DC 200051841761012
- Sang Yun LeeWashington Dc, DC 200051629806898
- Georgetta Manning Cox, DDS, MPHWashington, DC 200051073603981
Common questions
What is John Tsaknis, D.D.S.'s NPI number?
John Tsaknis, D.D.S.'s National Provider Identifier (NPI) is 1568514206, issued on Jan 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Tsaknis, D.D.S. located?
The NPPES record lists a practice address at 1221 Massachusetts Ave NW, Washington, DC, 20005. Phone: (202) 628-7979. Providers update this record themselves, so call before visiting.
How can I verify John Tsaknis, D.D.S.'s license?
NPPES lists District of Columbia license number DENT1000347, as entered by the provider. Search the District of Columbia board that licenses this profession; the NPPES record confirms identity 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.