Nathaniel Kieval, LMHC, M.S.,ED.
NPI 1851676654 · Mental Health Counselor · Winchester, MA
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathaniel Kieval, LMHC, M.S.,ED. is a Mental Health Counselor provider in Winchester, MA (NPI 1851676654).
Provider details
- NPI number
- 1851676654
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LMHC, M.S.,ED.
- Sex
- Male
- Sole proprietor
- Yes
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
14 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
- 2011-10-13
- Last updated
- 2024-09-24
- Certified
- 2024-09-24
Frequently asked questions
- What is Nathaniel Kieval's NPI number?
- Nathaniel Kieval's National Provider Identifier (NPI) is 1851676654, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathaniel Kieval's specialty?
- Nathaniel Kieval is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Nathaniel Kieval located?
- Nathaniel Kieval's practice location on file with NPPES is 37 Clark St, Winchester, MA 01890-1805.
- What is Nathaniel Kieval's phone number?
- The practice phone number listed in the NPPES registry for Nathaniel Kieval is (781) 369-5644.
- Does Nathaniel Kieval accept Medicare?
- Nathaniel Kieval is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathaniel Kieval's NPI active?
- Yes — Nathaniel Kieval's NPI (1851676654) is active in the NPPES registry as of the last update on 2024-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.