Mark Solomon, PSY.D.
NPI 1649289620 · Clinical Psychologist · Libertyville, IL
Mark Solomon, PSY.D. is a Clinical Psychologist provider in Libertyville, IL (NPI 1649289620).
Provider details
- NPI number
- 1649289620
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 071-003896 (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
- 2006-08-07
- Last updated
- 2016-07-22
Frequently asked questions
- What is Mark Solomon's NPI number?
- Mark Solomon's National Provider Identifier (NPI) is 1649289620, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Solomon's specialty?
- Mark Solomon is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Mark Solomon located?
- Mark Solomon's practice location on file with NPPES is 128 Newberry Ave, Libertyville, IL 60048-1923.
- What is Mark Solomon's phone number?
- The practice phone number listed in the NPPES registry for Mark Solomon is (847) 680-0272.
- Is Mark Solomon's NPI active?
- Yes — Mark Solomon's NPI (1649289620) is active in the NPPES registry as of the last update on 2016-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.