Registry data as of Aug 27, 2026

Siamak Majidi, DDS

Pediatric Dentistry · Washington, DC

Siamak Majidi, DDS is a pediatric dentistry with a practice address in Washington, District of Columbia, and NPI 1003041328, issued on May 17, 2009. Check the license (District of Columbia DEN1000816, as entered in NPPES) 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
1003041328
Name
Siamak Majidi
Credential
DDS
Primary taxonomy
Pediatric Dentistry 1223P0221X
License numbers
DEN1000816 DC
14345 MD
0401412530 VA
Self-reported in NPPES; status is on the state search
Practice location
3239 N St NW Apt 12, Washington, DC 20007
Phone
(240) 418-6103
Enumerated
May 17, 2009
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 Siamak Majidi in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich District of Columbia board licenses this profession
    Search for license DEN1000816
    Check 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
Find the District of Columbia license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Industry payments in 2024: $44.75

2 payments, mostly education; the largest payer was Colgate Oral Pharmaceuticals, Inc.. The 2,103 providers of this specialty with any payment received $472.78 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Siamak Majidi$44.75
  2. Specialty average$472.78

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

Pediatric Dentistry providers in District of Columbia

There are 39 pediatric dentistry records in District of Columbia.

Other pediatric dentistry records in District of Columbia

  1. Shaden Alfaqih, DDSWashington, DC1073071197
  2. Moorean Baker, DDSWashington, DC1699845453
  3. Latoya Barham, DDSWashington, DC1508955378
  4. Arthur Bernard Jones, DDSWashington, DC1407920499
  5. Lydia Chiu, DMD, MPHWashington, DC1639657935
  6. Stella Chukwu, DDS,MSPHWashington, DC1871886648
  7. Margaret Curry, DMDBolling Afb, DC1730161035
  8. Maury DebberWashington, DC1669048773
  9. Gia Duong, DMDWashington, DC1376078493
  10. Joycie Fernandes, B.D.SWashington, DC1649485970

Common questions

What is Siamak Majidi, DDS's NPI number?

Siamak Majidi, DDS's National Provider Identifier (NPI) is 1003041328, issued on May 17, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Siamak Majidi, DDS located?

The NPPES record lists a practice address at 3239 N St NW Apt 12, Washington, DC, 20007. Phone: (240) 418-6103. Providers update this record themselves, so call before visiting.

How can I verify Siamak Majidi, DDS's license?

NPPES lists District of Columbia license number DEN1000816, 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), 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.