Mark Dean, ATR-BC, LPC
NPI 1689884926 · Mental Health Counselor · Lansdowne, PA
Mark Dean, ATR-BC, LPC is a Mental Health Counselor provider in Lansdowne, PA (NPI 1689884926).
Provider details
- NPI number
- 1689884926
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- ATR-BC, LPC
- Sex
- Male
- Sole proprietor
- Yes
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
19 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2007-05-23
- Last updated
- 2013-04-25
Frequently asked questions
- What is Mark Dean's NPI number?
- Mark Dean's National Provider Identifier (NPI) is 1689884926, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Dean's specialty?
- Mark Dean is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Mark Dean located?
- Mark Dean's practice location on file with NPPES is 42 Windermere Ave, Lansdowne, PA 19050-1812.
- What is Mark Dean's phone number?
- The practice phone number listed in the NPPES registry for Mark Dean is (610) 259-2550.
- Is Mark Dean's NPI active?
- Yes — Mark Dean's NPI (1689884926) is active in the NPPES registry as of the last update on 2013-04-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.