NPPES file of Aug 9, 2026

Donna M. Markham, RDH

Dental Hygienist · Princess Anne, MD

Donna M. Markham, RDH is a dental hygienist with a practice address in Princess Anne, Maryland, and NPI 1366559445, issued on Aug 24, 2006. Check the license (Maryland 5564, 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.

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

NPPES recordNPPES file of Aug 9, 2026
1366559445
Name
Donna M. Markham
Credential
RDH
Primary taxonomy
Dental Hygienist 124Q00000X
License number
5564 MD
Self-reported in NPPES; status is on the state search
Practice location
12137 Elm St, Princess Anne, MD 21853
Phone
(410) 651-9852
Enumerated
Aug 24, 2006
Record last updated
Oct 15, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(410) 651-1279
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 12137 Elm St

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

  1. Alicia Brooks, RDHDental Hygienist1588746788
  2. Heather Fleming, RDHDental Hygienist1659488823
  3. Hau Le, DMDDentist1740430180
  4. Sarah Long, DENTAL HYGIENISTDental Hygienist1457586166
  5. Susan Smith-Walls, PHARMACISTPharmacist1962286526
  6. Stephen Wagner, DDSGeneral Practice Dentistry1003044173

Verify Donna M. Markham 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 5564
    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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14 dental hygienist records list a practice address in Princess Anne

They are 14 of the 244 NPPES records with a practice address in Princess Anne, and 318 dental hygienist records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other dental hygienist records in Maryland

  1. Adriana Abell, RDHWaldorf, MD1144083809
  2. Semeona Acuzar-Brillantes, RDHWaldorf, MD1720845019
  3. Tyler Adaire, X2Fort George G Meade, MD1437923232
  4. Klever Alameda CastanedaFort George G Meade, MD1558221085
  5. Dena Albejee, RDHBaltimore, MD1689464364
  6. Michele Alford, R.D.HBaltimore, MD1548572316
  7. Justin Ambrose, RDHBaltimore, MD1912677220
  8. Daisy Amey, RDHTowson, MD1871417030
  9. Maha ArshadGermantown, MD1093667057
  10. Apameh Assadi, RDHReisterstown, MD1780466441

Common questions

What is Donna M. Markham, RDH's NPI number?

Donna M. Markham, RDH's National Provider Identifier (NPI) is 1366559445, issued on Aug 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Donna M. Markham, RDH located?

The NPPES record lists a practice address at 12137 Elm St, Princess Anne, MD, 21853. Phone: (410) 651-9852. Providers update this record themselves, so call before visiting.

How can I verify Donna M. Markham, RDH's license?

NPPES lists Maryland license number 5564, 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.