Erin Mcmahon, LCPC, LAC
NPI 1467009415 · Professional Counselor · Helena, MT
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erin Mcmahon, LCPC, LAC is a Professional Counselor provider in Helena, MT (NPI 1467009415).
Provider details
- NPI number
- 1467009415
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- LCPC, LAC
- Sex
- Female
- Sole proprietor
- Yes
- License
- BBH-LAC-LIC-38099 (MT)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
6 yrs in NPPES registry
- Profile completeness38% of score
100% 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
- 2019-08-23
- Last updated
- 2022-03-30
- Certified
- 2022-03-30
Frequently asked questions
- What is Erin Mcmahon's NPI number?
- Erin Mcmahon's National Provider Identifier (NPI) is 1467009415, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erin Mcmahon's specialty?
- Erin Mcmahon is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Erin Mcmahon located?
- Erin Mcmahon's practice location on file with NPPES is 535 Saddle Dr, Helena, MT 59601-5634.
- What is Erin Mcmahon's phone number?
- The practice phone number listed in the NPPES registry for Erin Mcmahon is (406) 558-9062.
- Does Erin Mcmahon accept Medicare?
- Erin Mcmahon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erin Mcmahon's NPI active?
- Yes — Erin Mcmahon's NPI (1467009415) is active in the NPPES registry as of the last update on 2022-03-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.