Joanne Ratkowski, Sc
NPI 1770885477 · Clinical Psychologist · Chicago, IL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joanne Ratkowski, Sc is a Clinical Psychologist organization in Chicago, IL (NPI 1770885477).
Provider details
- NPI number
- 1770885477
- Entity type
- Organization
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Joanne Ratkowski, Clinical Psychologist(773) 720-2781
- License
- 071006837 (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
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
Mailing address
Registry dates
- Enumerated
- 2010-12-01
- Last updated
- 2010-12-01
Frequently asked questions
- What is Joanne Ratkowski, Sc's NPI number?
- Joanne Ratkowski, Sc's National Provider Identifier (NPI) is 1770885477, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Joanne Ratkowski, Sc?
- Joanne Ratkowski, Sc is classified in the NPPES registry as Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Joanne Ratkowski, Sc located?
- Joanne Ratkowski, Sc's practice location on file with NPPES is 1219 N Noble St, Chicago, IL 60642-3377.
- What is Joanne Ratkowski, Sc's phone number?
- The practice phone number listed in the NPPES registry for Joanne Ratkowski, Sc is (773) 720-2781.
- Does Joanne Ratkowski, Sc accept Medicare?
- Joanne Ratkowski, Sc is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Joanne Ratkowski, Sc?
- The authorized official listed on Joanne Ratkowski, Sc's NPPES record is Joanne Ratkowski, Clinical Psychologist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Joanne Ratkowski, Sc's NPI active?
- Yes — Joanne Ratkowski, Sc's NPI (1770885477) is active in the NPPES registry as of the last update on 2010-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.