Quick answers
- Does Melissa Ann Mackie accept Medicare assignment?
- Yes. Medicare's clinician data says Melissa Ann Mackie accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Melissa Ann Mackie see?
- In 2024, CMS data shows 65 Original Medicare patients and 615 services for Melissa Ann Mackie. This counts Original Medicare only and measures volume, not quality.
- What is Melissa Ann Mackie's NPI number?
- 1306498142. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Melissa Ann Mackie, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 65 |
|---|---|
| Services billed to Medicare | 615 |
| Different services or procedures | 12 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Administration of psychological or neuropsychological test by technician, each additional 30 minutes (96139)252 services
- Evaluation of neuropsychological test, each additional hour (96133)113 services
- Evaluation of neuropsychological test, first hour (96132)51 services
- Administration of psychological or neuropsychological test by technician, first 30 minutes (96138)42 services
- Psychiatric diagnostic evaluation (90791)41 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure65%
- Anxiety52%
- Depression46%
- Arthritis38%
- Ischemic heart disease31%
Hospitals where Melissa Ann Mackie works
Medicare's Facility Affiliation Data lists Melissa Ann Mackie at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 140281
Practice locations
Addresses where Melissa Ann Mackie is enrolled with Medicare (CMS data updated October 2, 2026).
- 446 E Ontario St, 100 Dept of PsychiatryChicago, IL 60611 (312) 695‑5060
Group practices
Medicare enrollment lists Melissa Ann Mackie as a member of this group (CMS data updated October 2, 2026).
- Northwestern Medical Faculty Foundation4,503 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Chicago
Clinicians with the same Medicare primary specialty in Chicago, IL — not a recommendation.
Other clinicians in Northwestern Medical Faculty Foundation
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2017 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1306498142 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians