Mark Henderson, MD
NPI 1902883762 · Orthopaedic Surgery Physician · Leonardtown, MD
Mark Henderson, MD is a Orthopaedic Surgery Physician provider in Leonardtown, MD (NPI 1902883762).
Provider details
- NPI number
- 1902883762
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D0040288 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Mailing address
Registry dates
- Enumerated
- 2005-12-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Mark Henderson's NPI number?
- Mark Henderson's National Provider Identifier (NPI) is 1902883762, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Henderson's specialty?
- Mark Henderson is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Henderson located?
- Mark Henderson's practice location on file with NPPES is 23000 Moakley St, Leonardtown, MD 20650-2915.
- What is Mark Henderson's phone number?
- The practice phone number listed in the NPPES registry for Mark Henderson is (301) 475-5555.
- Is Mark Henderson's NPI active?
- Yes — Mark Henderson's NPI (1902883762) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.