NPPES file of Aug 9, 2026

Gregory Sterling Allen, DDS

General Practice Dentistry · Princess Anne, MD

Gregory Sterling Allen, DDS is a general practice dentistry with a practice address in Princess Anne, Maryland, and NPI 1326112160, issued on Nov 20, 2006. Check the license (Maryland 12030, as entered in NPPES) with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1326112160
Name
Gregory Sterling Allen
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
12030 MD
Self-reported in NPPES; status is on the state search
Practice location
12165 Elm St, Princess Anne, MD 21853
Phone
(410) 651-5151
Enumerated
Nov 20, 2006
Record last updated
May 6, 2026
Fax
(410) 651-4256
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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Also registered at 12165 Elm St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. George Acs, DMDPediatric Dentistry1366513657
  2. Silwat Adeel, DDSGeneral Practice Dentistry1972276590
  3. Danial AhmedPediatric Dentistry1982388872
  4. Boladale Ajayi, DDSGeneral Practice Dentistry1194352237
  5. Matthew Anderson, DDSDentist1346595444
  6. Kwame Asumadu, DDSPediatric Dentistry1841010642

Verify Gregory Sterling Allen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this profession
    Search for license 12030    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 Maryland license search

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17% fewer Medicare Part D claims than the average general practice dentistry in 2024

69 Medicare Part D claims for 41 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. Gregory Allen69
  2. Specialty average83

Most prescribed

  1. Chlorhexidine Gluconate21 claims
  2. Amoxicillin19 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.

18 general practice dentistry records list a practice address in Princess Anne

They are 18 of the 244 NPPES records with a practice address in Princess Anne, and 2,408 general practice dentistry records in Maryland.

All 18 in Princess Anne → All 2,408 in Maryland → Every provider in Princess Anne →

Other general practice dentistry records in Maryland

  1. Hannah Aaronson-Barsky, D.D.S.Clarksville, MD1629139027
  2. Zerihun Abate, D.D.S.Oxon Hill, MD1760743330
  3. Bagrat AbazyanBrooklyn, MD1902683477
  4. Robert Abbott, D.D.SOdenton, MD1407072036
  5. Sara Abdelwahab, DDSConowingo, MD1811829153
  6. Ruqaya AbourawiClinton, MD1366135816
  7. Dawn Abousy, DDSBaltimore, MD1578645503
  8. Jay Abramson, D.D.S.Glen Burnie, MD1679604821
  9. Marvin Abramson, D.D.SRockville, MD1720098957
  10. Madeline Abudu, DMDOxon Hill, MD1962586909

Common questions

What is Gregory Sterling Allen, DDS's NPI number?

Gregory Sterling Allen, DDS's National Provider Identifier (NPI) is 1326112160, issued on Nov 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory Sterling Allen, DDS located?

The NPPES record lists a practice address at 12165 Elm St, Princess Anne, MD, 21853. Phone: (410) 651-5151. Providers update this record themselves, so call before visiting.

How can I verify Gregory Sterling Allen, DDS's license?

NPPES lists Maryland license number 12030, as entered by the provider. Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Gregory Sterling Allen, DDS prescribe under Medicare Part D?

In 2024, Gregory Sterling Allen, DDS had 69 Medicare Part D claims for 41 beneficiaries; the average among general practice dentistry prescribers was 83. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.