Katherine Mcmahon, LISW-S
NPI 1861867582 · Clinical Social Worker · Beachwood, OH
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katherine Mcmahon, LISW-S is a Clinical Social Worker provider in Beachwood, OH (NPI 1861867582).
Provider details
- NPI number
- 1861867582
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- LISW-S
- Sex
- Female
- Sole proprietor
- Yes
- License
- I.1200345.SUPV (OH)
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
10 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
- 2015-12-07
- Last updated
- 2015-12-07
Frequently asked questions
- What is Katherine Mcmahon's NPI number?
- Katherine Mcmahon's National Provider Identifier (NPI) is 1861867582, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katherine Mcmahon's specialty?
- Katherine Mcmahon is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Katherine Mcmahon located?
- Katherine Mcmahon's practice location on file with NPPES is 25550 Chagrin Blvd, Beachwood, OH 44122-5638.
- What is Katherine Mcmahon's phone number?
- The practice phone number listed in the NPPES registry for Katherine Mcmahon is (216) 765-0500.
- Does Katherine Mcmahon accept Medicare?
- Katherine Mcmahon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katherine Mcmahon's NPI active?
- Yes — Katherine Mcmahon's NPI (1861867582) is active in the NPPES registry as of the last update on 2015-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.