Marc R. Mouallem, D.D.S.
Dentist · Washington, DC
Marc R. Mouallem, D.D.S. is a dentist with a practice address in Washington, District of Columbia, and NPI 1730319898, issued on Jul 22, 2009. Check the license (District of Columbia DEN2697, as entered in NPPES) with the District of Columbia board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Marc R. Mouallem
- Credential
- D.D.S.
- Primary taxonomy
- Dentist 122300000X
- License number
- DEN2697 DC
Self-reported in NPPES; status is on the state search - Practice location
- 1747 Pennsylvania Ave NW, Washington, DC 20006
- Phone
- (202) 833-3333
- Enumerated
- Jul 22, 2009
- Record last updated
- Jul 22, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (301) 907-9089
- Entity
- Type 1 · individual
Also registered at 1747 Pennsylvania Ave NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kenneth Beck, ODOptometrist1871622845
- Howard Benson, DDSProsthodontics1487849550
- Garry Miller, DDSDentist1891897484
- Joseph Yalch, DDSGeneral Practice Dentistry1154594448
Verify Marc R. Mouallem 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 DEN2697Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 346 in Washington → All 355 in District of Columbia → Every provider in Washington →
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Common questions
What is Marc R. Mouallem, D.D.S.'s NPI number?
Marc R. Mouallem, D.D.S.'s National Provider Identifier (NPI) is 1730319898, issued on Jul 22, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Marc R. Mouallem, D.D.S. located?
The NPPES record lists a practice address at 1747 Pennsylvania Ave NW, Washington, DC, 20006. Phone: (202) 833-3333. Providers update this record themselves, so call before visiting.
How can I verify Marc R. Mouallem, D.D.S.'s license?
NPPES lists District of Columbia license number DEN2697, 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. 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.