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Melissa O'Sha, PH.D.
NPI 1639641020 · Clinical Psychologist · Chicago, IL
Melissa O'Sha, PH.D. is a Clinical Psychologist provider in Chicago, IL (NPI 1639641020).
Provider details
- NPI number
- 1639641020
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 071.009610 (IL)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(67/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
5113 S Harper Ave Ste 2c
Chicago, IL 60615-4119
Phone: (270) 303-5824
Street-level locationGet directions
Mailing address
5113 S Harper Ave Ste 2c
Chicago, IL 60615-4119
Registry dates
- Enumerated
- 2018-12-22
- Last updated
- 2018-12-22
Frequently asked questions
- What is Melissa O'Sha's NPI number?
- Melissa O'Sha's National Provider Identifier (NPI) is 1639641020, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa O'Sha's specialty?
- Melissa O'Sha is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Melissa O'Sha located?
- Melissa O'Sha's practice location on file with NPPES is 5113 S Harper Ave Ste 2c, Chicago, IL 60615-4119.
- What is Melissa O'Sha's phone number?
- The practice phone number listed in the NPPES registry for Melissa O'Sha is (270) 303-5824.
- Is Melissa O'Sha's NPI active?
- Yes — Melissa O'Sha's NPI (1639641020) is active in the NPPES registry as of the last update on 2018-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.