Mark Renchner-Kelly
NPI 1427531854 · Clinical Social Worker · Mahopac, NY
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Renchner-Kelly is a Clinical Social Worker provider in Mahopac, NY (NPI 1427531854).
Provider details
- NPI number
- 1427531854
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
- 2018-09-11
- Last updated
- 2025-07-16
- Certified
- 2025-07-16
Frequently asked questions
- What is Mark Renchner-Kelly's NPI number?
- Mark Renchner-Kelly's National Provider Identifier (NPI) is 1427531854, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Renchner-Kelly's specialty?
- Mark Renchner-Kelly is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Mark Renchner-Kelly located?
- Mark Renchner-Kelly's practice location on file with NPPES is 18 Miller Rd, Mahopac, NY 10541-2220.
- What is Mark Renchner-Kelly's phone number?
- The practice phone number listed in the NPPES registry for Mark Renchner-Kelly is (845) 628-2300.
- Does Mark Renchner-Kelly accept Medicare?
- Mark Renchner-Kelly is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Renchner-Kelly's NPI active?
- Yes — Mark Renchner-Kelly's NPI (1427531854) is active in the NPPES registry as of the last update on 2025-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.