Henry Allen, DDS
General Practice Dentistry · Leonardtown, MD
Henry Allen, DDS is a general practice dentistry with a practice address in Leonardtown, Maryland, and NPI 1174786362, issued on Jul 8, 2008. Check the license with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Henry Allen
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- Practice location
- 22690 Washington Street, Leonardtown, MD 20650
- Phone
- (301) 997-1200
- Enumerated
- Jul 8, 2008
- Entity
- Type 1 · individual
Verify Henry Allen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maryland board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
19% more Medicare Part D claims than the average general practice dentistry in 2024
100 Medicare Part D claims for 59 beneficiaries, against an average of 84 among the 68,591 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin42 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.
8 general practice dentistry records list a Leonardtown practice address
They are 8 of the 471 NPPES records with a Leonardtown practice address, and 2,366 general practice dentistry records in Maryland.
All 8 in Leonardtown → All 2,366 in Maryland → Every provider in Leonardtown →
Other general practice dentistry records in Maryland
- Hannah Aaronson-Barsky, D.D.S.Clarksville, MD1629139027
- Zerihun Abate, D.D.S.Oxon Hill, MD1760743330
- Bagrat AbazyanBrooklyn, MD1902683477
- Robert Abbott, D.D.SOdenton, MD1407072036
- Sara Abdelwahab, DDSConowingo, MD1811829153
- Ruqaya AbourawiClinton, MD1366135816
- Dawn Abousy, DDSBaltimore, MD1578645503
- Jay Abramson, D.D.S.Glen Burnie, MD1679604821
- Marvin Abramson, D.D.SRockville, MD1720098957
- Madeline Abudu, DMDOxon Hill, MD1962586909
Common questions
What is Henry Allen, DDS's NPI number?
Henry Allen, DDS's National Provider Identifier (NPI) is 1174786362, issued on Jul 8, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Henry Allen, DDS located?
The NPPES record lists a practice address at 22690 Washington Street, Leonardtown, MD, 20650. Phone: (301) 997-1200. Providers update this record themselves, so call before visiting.
How can I verify Henry Allen, DDS's license?
Search the Maryland board that licenses this profession; the NPPES record confirms identity only.
How much does Henry Allen, DDS prescribe under Medicare Part D?
In 2024, Henry Allen, DDS had 100 Medicare Part D claims for 59 beneficiaries; the average among general practice dentistry prescribers was 84. Part D covers Medicare prescriptions 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.