John Walter Drumm, DMD
General Practice Dentistry · Washington, DC
John Walter Drumm, DMD is a general practice dentistry with a practice address in Washington, District of Columbia, and NPI 1285795427, issued on Dec 12, 2006. Check the license (District of Columbia DEN 003341, 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
- John Walter Drumm
- Credential
- DMD
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- DEN 003341 DC
Self-reported in NPPES; status is on the state search - Practice location
- 3301 New Mexico Ave NW, Washington, DC 20016
- Phone
- (202) 244-1601
- Enumerated
- Dec 12, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (202) 244-1604
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 377 in District of Columbia → Look up another NPI →
Also registered at 3301 New Mexico Ave NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Walter Drumm 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 DEN 003341Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Walter Drumm among 377 general practice dentistry records in District of Columbia
John Walter Drumm, DMD 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 not. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 74% newer
- In a Medicare fileNo · 50% of these records are
- In the CMS Doctors and Clinicians fileNo · 0% of these records are
- Record last updated2007 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
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
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- Eugene Giannini, D.D.S.Washington, DC 200161548266364
- Margaret Irvin, DDSWashington, DC 200161710909130
- Glenn McIntyre, D.D.S.Washington, DC 200161881727329
- Donald Meyer, DDS PCWashington, DC 200161326147471
- Said Mokhtarzadeh, D.D.S.Washington, DC 200161023150448
- Maria Nichols, DDSWashington, DC 200161629086558
Common questions
What is John Walter Drumm, DMD's NPI number?
John Walter Drumm, DMD's National Provider Identifier (NPI) is 1285795427, issued on Dec 12, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Walter Drumm, DMD located?
The NPPES record lists a practice address at 3301 New Mexico Ave NW, Washington, DC, 20016. Phone: (202) 244-1601. Providers update this record themselves, so call before visiting.
How can I verify John Walter Drumm, DMD's license?
NPPES lists District of Columbia license number DEN 003341, 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.