Quick answers
- Where does Mary E. McKernan see patients?
- Medicare's clinician data lists 2 practice locations, including Buffalo Grove, IL and Naperville, IL. Call before your visit to confirm the address.
- What is Mary E. McKernan's specialty?
- Medicare lists Mental Health Counselor as the primary specialty.
- Does Mary E. McKernan accept Medicare assignment?
- Yes. Medicare's clinician data says Mary E. McKernan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Mary E. McKernan offer telehealth?
- Medicare's clinician data says Mary E. McKernan offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mary E. McKernan?
- (847) 291-8810, as listed in official Medicare / NPI Registry data.
- What is Mary E. McKernan's NPI number?
- 1245093160. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Mary E. McKernan is enrolled with Medicare (CMS data updated 2026-10-02).
- 135 N Arlington Heights Rd, Suite 105Buffalo Grove, IL 60089 (847) 291‑8810
- 720 Raymond DrNaperville, IL 60563 (888) 365‑6271
Group practices
Medicare enrollment lists Mary E. McKernan as a member of these groups (CMS data updated 2026-10-02).
- Rockford Psychiatric Medical Services SC160 clinicians in the group
- Deer Oaks Mid-West LLC9 clinicians in the group
Specialties
- Mental Health Counselorprimary
Other mental health counselors in Buffalo Grove
Clinicians with the same Medicare primary specialty in Buffalo Grove, IL — not a recommendation.
Clinician information
| Graduation year | 1997 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1245093160 |
| 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
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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