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Mark Ruehl, PH.D.
NPI 1679604698 · Clinical Psychologist · Oak Park, IL
Mark Ruehl, PH.D. is a Clinical Psychologist provider in Oak Park, IL (NPI 1679604698).
Provider details
- NPI number
- 1679604698
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(83/100 index)
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
1010 Lake St
Suite 601
Oak Park, IL 60301-1147
Phone: (708) 848-4127
Street-level locationGet directions
Mailing address
723 N Cuyler Ave
Oak Park, IL 60302-1704
Registry dates
- Enumerated
- 2007-03-08
- Last updated
- 2007-10-05
Frequently asked questions
- What is Mark Ruehl's NPI number?
- Mark Ruehl's National Provider Identifier (NPI) is 1679604698, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Ruehl's specialty?
- Mark Ruehl is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Mark Ruehl located?
- Mark Ruehl's practice location on file with NPPES is 1010 Lake St, Oak Park, IL 60301-1147.
- What is Mark Ruehl's phone number?
- The practice phone number listed in the NPPES registry for Mark Ruehl is (708) 848-4127.
- Is Mark Ruehl's NPI active?
- Yes — Mark Ruehl's NPI (1679604698) is active in the NPPES registry as of the last update on 2007-10-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.