NPPES file of Aug 9, 2026

Mary Ross Freeman, APRN

Psychiatric/Mental Health Nurse Practitioner · Chicago, IL

Mary Ross Freeman, APRN is a psychiatric/mental health nurse practitioner with a practice address in Chicago, Illinois, and NPI 1891459772, issued on Oct 26, 2021. Check the license (Illinois 209024177, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891459772
Name
Mary Ross Freeman
Credential
APRN
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
209024177 IL
20902177 IL
Self-reported in NPPES; status is on the state search
Practice location
325 S Paulina St Ste 200, Chicago, IL 60612
Phone
(312) 942-8387
Enumerated
Oct 26, 2021
Record last updated
Nov 2, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20211202000211); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 325 S Paulina St Ste 200

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jennifer Coleman, B.A., M.A., M.S, PHDClinical Psychologist1770926461
  2. Brooke Long, PSYDPsychologist1790428373
  3. Megan O'Rourke, LCSWClinical Social Worker1104457076
  4. Samuel Polhemus, MDPsychiatry Physician1326624420

Verify Mary Ross Freeman in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 209024177
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

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93% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

65 Medicare Part D claims, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.

  1. Mary Freeman65
  2. Specialty average906

Most prescribed

  1. Fluoxetine Hcl23 claims
  2. Bupropion Xl13 claims
  3. Lamotrigine13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Rush University Medical GroupChicago, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mary Ross Freeman among 1,530 psychiatric/mental health nurse practitioner records in Illinois

Mary Ross Freeman, APRN is one of 1,530 psychiatric/mental health nurse practitioner records with a practice address in Illinois. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 42% of them.

  • NPI issued2021 · 42% of these records are older, 51% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2015 · median 2021 among the 917 with a school on file
  • Record last updated2021 · 17% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatric/Mental Health Nurse Practitioner providers in Illinois

There are 1,530 psychiatric/mental health nurse practitioner records in Illinois.

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Ellen Astrachan-FletcherChicago, IL 606121962414318
  2. Julie Carbray, PHD, APN, BCChicago, IL 606121639261837
  3. Nicholas Dotson, PMHNPChicago, IL 606121497946693
  4. Nancy Fowler, APRN, BC, CNPChicago, IL 606121760688824
  5. Benoy GeorgeChicago, IL 606121710301429
  6. Dawnelle Gordon, PMHNP-BC, ARNP, APNPChicago, IL 606121780647586
  7. Elsy Joseph, NURSE PRACTITIONERChicago, IL 606121093950347
  8. Annamma Mathew, PMHNPChicago, IL 606121629395868

Common questions

What is Mary Ross Freeman, APRN's NPI number?

Mary Ross Freeman, APRN's National Provider Identifier (NPI) is 1891459772, issued on Oct 26, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Mary Ross Freeman, APRN located?

The NPPES record lists a practice address at 325 S Paulina St Ste 200, Chicago, IL, 60612. Phone: (312) 942-8387. Providers update this record themselves, so call before visiting.

How can I verify Mary Ross Freeman, APRN's license?

NPPES lists Illinois license number 209024177, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Mary Ross Freeman, APRN prescribe under Medicare Part D?

In 2024, Mary Ross Freeman, APRN had 65 Medicare Part D claims; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions 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. Medicare files from data.cms.gov. 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.