Christopher Mark
NPI 1417307364 · Clinical Social Worker · Gaithersburg, MD
Christopher Mark is a Clinical Social Worker provider in Gaithersburg, MD (NPI 1417307364).
Provider details
- NPI number
- 1417307364
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 03871 (MD)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
- 2016-06-21
- Last updated
- 2016-06-21
Frequently asked questions
- What is Christopher Mark's NPI number?
- Christopher Mark's National Provider Identifier (NPI) is 1417307364, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Mark's specialty?
- Christopher Mark is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Christopher Mark located?
- Christopher Mark's practice location on file with NPPES is 16220 Frederick Rd, Gaithersburg, MD 20877-4039.
- What is Christopher Mark's phone number?
- The practice phone number listed in the NPPES registry for Christopher Mark is (301) 978-9750.
- Is Christopher Mark's NPI active?
- Yes — Christopher Mark's NPI (1417307364) is active in the NPPES registry as of the last update on 2016-06-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.