Siamak Nasseri, DMD
Oral and Maxillofacial Surgery (Dentist) · Washington, DC
Siamak Nasseri, DMD is an oral and maxillofacial surgery (dentist) with a practice address in Washington, District of Columbia, and NPI 1215177324, issued on Mar 2, 2009. Check the license (District of Columbia DEN5646, as entered in NPPES) with the District of Columbia board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Siamak Nasseri
- Credential
- DMD
- Primary taxonomy
- Oral and Maxillofacial Surgery (Dentist) 1223S0112X
- License numbers
- DEN5646 DC
51204 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1613 Harvard St NW Ste 108, Washington, DC 20009
- Phone
- (202) 462-5227
- Enumerated
- Mar 2, 2009
- Record last updated
- Dec 29, 2017 (not updated in 9 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest oral and maxillofacial surgery (dentist) records → All 32 in District of Columbia → Look up another NPI →
Also registered at 1613 Harvard St NW Ste 108
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Minoo Akhavan Malayeri, DDSGeneral Practice Dentistry1144501677
- Bahram EshraghiGeneral Practice Dentistry1699907147
Verify Siamak Nasseri 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 DEN5646Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average oral and maxillofacial surgery (dentist) in 2024
208 Medicare Part D claims for 64 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. 41 claims were for opioids.
Most prescribed
- Amoxicillin67 claims
- Chlorhexidine Gluconate67 claims
- Acetaminophen-Codeine41 claims
- Ibuprofen15 claims
- Clindamycin Hcl11 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.
Siamak Nasseri among 32 oral and maxillofacial surgery (dentist) records in District of Columbia
Siamak Nasseri, DMD 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 2009, is newer than 53% of them.
- NPI issued2009 · 53% of these records are older, 34% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 9% of these records are
- Record last updated2017 · 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
- Saif Abdulateef, BDS, DMDWashington, DC 200101285031153
- Ravi Agarwal, D.D.SWashington, DC 200101982864898
- Sarina DodhiaWashington, DC 200101396374542
- Renee McCoy-Collins, D.D.SWashington, DC 200081679692214
- George Obeid, DDSWashington, DC 200101346212255
- Robert Jones, D.D.S.Washington, DC 200121982741104
- Clarence Lindquist, D.D.S.Washington, DC 200061275566804
- Davidson Lawoyin, DDSWashington, DC 200031316111941
Common questions
What is Siamak Nasseri, DMD's NPI number?
Siamak Nasseri, DMD's National Provider Identifier (NPI) is 1215177324, issued on Mar 2, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Siamak Nasseri, DMD located?
The NPPES record lists a practice address at 1613 Harvard St NW Ste 108, Washington, DC, 20009. Phone: (202) 462-5227. Providers update this record themselves, so call before visiting.
How can I verify Siamak Nasseri, DMD's license?
NPPES lists District of Columbia license number DEN5646, as entered by the provider. Search the District of Columbia board that licenses this profession; the NPPES record confirms identity only.
How much does Siamak Nasseri, DMD prescribe under Medicare Part D?
In 2024, Siamak Nasseri, DMD had 208 Medicare Part D claims for 64 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.