Michelle Holliday, PH.D
NPI 1255515839 · Clinical Psychologist · Oak Park, IL
Michelle Holliday, PH.D is a Clinical Psychologist provider in Oak Park, IL (NPI 1255515839).
Provider details
- NPI number
- 1255515839
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D
- Sex
- Female
- Sole proprietor
- Yes
- License
- 071007094 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
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
18 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
- 2007-12-19
- Last updated
- 2023-05-08
- Certified
- 2023-05-08
Frequently asked questions
- What is Michelle Holliday's NPI number?
- Michelle Holliday's National Provider Identifier (NPI) is 1255515839, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michelle Holliday's specialty?
- Michelle Holliday is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Michelle Holliday located?
- Michelle Holliday's practice location on file with NPPES is 1010 Lake St Ste 502a, Oak Park, IL 60301-1135.
- What is Michelle Holliday's phone number?
- The practice phone number listed in the NPPES registry for Michelle Holliday is (708) 305-0026.
- Is Michelle Holliday's NPI active?
- Yes — Michelle Holliday's NPI (1255515839) is active in the NPPES registry as of the last update on 2023-05-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.