Rebecca Sumien, LMHC
NPI 1437756921 · Mental Health Counselor · Oceanside, NY
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rebecca Sumien, LMHC is a Mental Health Counselor provider in Oceanside, NY (NPI 1437756921).
Provider details
- NPI number
- 1437756921
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LMHC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 11640 (NY)
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
5 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
- 2020-10-07
- Last updated
- 2025-05-27
- Certified
- 2025-05-27
Frequently asked questions
- What is Rebecca Sumien's NPI number?
- Rebecca Sumien's National Provider Identifier (NPI) is 1437756921, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rebecca Sumien's specialty?
- Rebecca Sumien is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Rebecca Sumien located?
- Rebecca Sumien's practice location on file with NPPES is 261 Anchor Ave, Oceanside, NY 11572-2901.
- What is Rebecca Sumien's phone number?
- The practice phone number listed in the NPPES registry for Rebecca Sumien is (516) 710-3647.
- Does Rebecca Sumien accept Medicare?
- Rebecca Sumien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rebecca Sumien's NPI active?
- Yes — Rebecca Sumien's NPI (1437756921) is active in the NPPES registry as of the last update on 2025-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.