Mary Ann Hartnett, PH.D.
Clinical Social Worker · Oak Park, IL
Mary Ann Hartnett, PH.D. is a clinical social worker with a practice address in Oak Park, Illinois, and NPI 1568668515, issued on Jun 26, 2007. Check the license (Illinois 149.013125, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mary Ann Hartnett
- Credential
- PH.D.
- Primary taxonomy
- Clinical Social Worker 1041C0700X
- License number
- 149.013125 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1010 Lake St Ste 620, Oak Park, IL 60301
- Phone
- (708) 359-5225
- Enumerated
- Jun 26, 2007
- Record last updated
- Oct 4, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100729000498); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 13,637 in Illinois → Look up another NPI →
Verify Mary Ann Hartnett in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 149.013125Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mary Ann Hartnett among 13,637 clinical social worker records in Illinois
Mary Ann Hartnett, PH.D. is one of 13,637 clinical social worker records with a practice address in Illinois. 14% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 10% of them.
- NPI issued2007 · 10% of these records are older, 80% newer
- In a Medicare fileNo · 14% of these records are
- In the CMS Doctors and Clinicians fileYes · 21% of these records are
- Graduated1989 · median 2010 among the 2,895 with a school on file
- Record last updated2019 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
281 clinical social worker records list a practice address in Oak Park
They are 281 of the 2,307 NPPES records with a practice address in Oak Park, and 13,637 clinical social worker records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 13,637 in Illinois → Every provider in Oak Park → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Nancy Cap, MSW LCSWOak Park, IL 603011649205139
- Deborah Clause, LCSWOak Park, IL 603011669576971
- Thomas Como, LCSWOak Park, IL 603011285655183
- Joseph Cortese, LCSWOak Park, IL 603011609832880
- Marge EpsteinOak Park, IL 603011619081809
- Helen Fleisher, LCSWOak Park, IL 603011801821392
- Deborah Fosco, LCSWOak Park, IL 603011396729307
- Terri Hager, MSW, LISWOak Park, IL 603011720026289
Common questions
What is Mary Ann Hartnett, PH.D.'s NPI number?
Mary Ann Hartnett, PH.D.'s National Provider Identifier (NPI) is 1568668515, issued on Jun 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mary Ann Hartnett, PH.D. located?
The NPPES record lists a practice address at 1010 Lake St Ste 620, Oak Park, IL, 60301. Phone: (708) 359-5225. Providers update this record themselves, so call before visiting.
How can I verify Mary Ann Hartnett, PH.D.'s license?
NPPES lists Illinois license number 149.013125, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.