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Donna Markham, RDH
NPI 1366559445 · Dental Hygienist · Princess Anne, MD
Donna Markham, RDH is a Dental Hygienist provider in Princess Anne, MD (NPI 1366559445).
Provider details
- NPI number
- 1366559445
- Entity type
- Individual
- Primary specialty
- Dental HygienistDental Providers
- Credential
- RDH
- Sex
- Female
- Sole proprietor
- No
- License
- 5564 (MD)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
12137 Elm St
Princess Anne, MD 21853-1358
Phone: (410) 651-9852
Fax: (410) 651-1279
Street-level locationGet directions
Mailing address
Po Box 191
Princess Anne, MD 21853-0191
Registry dates
- Enumerated
- 2006-08-24
- Last updated
- 2007-10-15
Frequently asked questions
- What is Donna Markham's NPI number?
- Donna Markham's National Provider Identifier (NPI) is 1366559445, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donna Markham's specialty?
- Donna Markham is listed in the NPPES registry with a primary specialty of Dental Hygienist (Dental Providers).
- Where is Donna Markham located?
- Donna Markham's practice location on file with NPPES is 12137 Elm St, Princess Anne, MD 21853-1358.
- What is Donna Markham's phone number?
- The practice phone number listed in the NPPES registry for Donna Markham is (410) 651-9852.
- Is Donna Markham's NPI active?
- Yes — Donna Markham's NPI (1366559445) is active in the NPPES registry as of the last update on 2007-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.