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Maryanne Williams, PSY.D.
NPI 1407145519 · Clinical Psychologist · Chicago, IL
Maryanne Williams, PSY.D. is a Clinical Psychologist provider in Chicago, IL (NPI 1407145519).
Provider details
- NPI number
- 1407145519
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PSY.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 071.008024 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(82/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
2600 S Michigan Ave
Suite 405
Chicago, IL 60616-2857
Phone: (847) 328-4797
Street-level locationGet directions
Mailing address
Po Box 731
Evanston, IL 60204-0731
Registry dates
- Enumerated
- 2011-03-30
- Last updated
- 2011-03-30
Frequently asked questions
- What is Maryanne Williams's NPI number?
- Maryanne Williams's National Provider Identifier (NPI) is 1407145519, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maryanne Williams's specialty?
- Maryanne Williams is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Maryanne Williams located?
- Maryanne Williams's practice location on file with NPPES is 2600 S Michigan Ave, Chicago, IL 60616-2857.
- What is Maryanne Williams's phone number?
- The practice phone number listed in the NPPES registry for Maryanne Williams is (847) 328-4797.
- Is Maryanne Williams's NPI active?
- Yes — Maryanne Williams's NPI (1407145519) is active in the NPPES registry as of the last update on 2011-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.