Aaron Mcmahon, MA
NPI 1881900298 · Counselor · Mundelein, IL
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aaron Mcmahon, MA is a Counselor provider in Mundelein, IL (NPI 1881900298).
Provider details
- NPI number
- 1881900298
- Entity type
- Individual
- Primary specialty
- CounselorBehavioral Health & Social Service Providers
- Credential
- MA
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
83% 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
Mailing address
Registry dates
- Enumerated
- 2010-08-23
- Last updated
- 2010-08-23
Frequently asked questions
- What is Aaron Mcmahon's NPI number?
- Aaron Mcmahon's National Provider Identifier (NPI) is 1881900298, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aaron Mcmahon's specialty?
- Aaron Mcmahon is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).
- Where is Aaron Mcmahon located?
- Aaron Mcmahon's practice location on file with NPPES is 126 W Maple Ave, Mundelein, IL 60060-1737.
- What is Aaron Mcmahon's phone number?
- The practice phone number listed in the NPPES registry for Aaron Mcmahon is (847) 347-7367.
- Does Aaron Mcmahon accept Medicare?
- Aaron Mcmahon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aaron Mcmahon's NPI active?
- Yes — Aaron Mcmahon's NPI (1881900298) is active in the NPPES registry as of the last update on 2010-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.