William Oscar Powell, JR.
General Practice Dentistry · Rockville, MD
William Oscar Powell, JR. is a general practice dentistry with a practice address in Rockville, Maryland, and NPI 1881708014, issued on Aug 17, 2006. Check the license (Maryland 04361, as entered in NPPES) with the Maryland board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Oscar Powell
- Credential
- JR.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 04361 MD
Self-reported in NPPES; status is on the state search - Practice location
- 4701 Randolph RD, Rockville, MD 20852
- Phone
- (301) 230-2216
- Enumerated
- Aug 17, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (301) 230-2217
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 2,408 in Maryland → Look up another NPI →
Also registered at 4701 Randolph RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Oscar Powell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this profession
Search for license 04361Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William Oscar Powell among 2,408 general practice dentistry records in Maryland
William Oscar Powell, JR. is one of 2,408 general practice dentistry records with a practice address in Maryland. 62% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 72% newer
- In a Medicare fileNo · 62% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2007 · 72% 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 Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
113 general practice dentistry records list a practice address in Rockville
They are 113 of the 14,353 NPPES records with a practice address in Rockville, and 2,408 general practice dentistry records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,408 in Maryland → Every provider in Rockville → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Marvin Abramson, D.D.SRockville, MD 208521720098957
- Harold Allick, D.D.S.Rockville, MD 208521407875271
- Charles Doring, D.D.SRockville, MD 208521881766913
- L. Finamore, DDSRockville, MD 208521003881582
- Harry Gildenhorn, D.D.S.Rockville, MD 208521295742088
- Samuel Huang, D.D.S.Rockville, MD 208521427154640
- Richard Miller, DDSRockville, MD 208521629085311
- Laurene Scanlon, DDSRockville, MD 208521447353891
Common questions
What is William Oscar Powell, JR.'s NPI number?
William Oscar Powell, JR.'s National Provider Identifier (NPI) is 1881708014, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Oscar Powell, JR. located?
The NPPES record lists a practice address at 4701 Randolph RD, Rockville, MD, 20852. Phone: (301) 230-2216. Providers update this record themselves, so call before visiting.
How can I verify William Oscar Powell, JR.'s license?
NPPES lists Maryland license number 04361, as entered by the provider. Search the Maryland 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.