David Marks, LCPC
NPI 1255437513 · Mental Health Counselor · Park Ridge, IL
David Marks, LCPC is a Mental Health Counselor provider in Park Ridge, IL (NPI 1255437513).
Provider details
- NPI number
- 1255437513
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LCPC
- Sex
- Male
- Sole proprietor
- Yes
- License
- 180-002998 (IL)
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
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
- 2006-09-15
- Last updated
- 2022-12-08
- Certified
- 2022-12-08
Frequently asked questions
- What is David Marks's NPI number?
- David Marks's National Provider Identifier (NPI) is 1255437513, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Marks's specialty?
- David Marks is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is David Marks located?
- David Marks's practice location on file with NPPES is 1550 N Northwest Hwy Ste 360, Park Ridge, IL 60068-1461.
- What is David Marks's phone number?
- The practice phone number listed in the NPPES registry for David Marks is (847) 299-3400.
- Is David Marks's NPI active?
- Yes — David Marks's NPI (1255437513) is active in the NPPES registry as of the last update on 2022-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.