Rebecca Susan Sumien, LMHC
Mental Health Counselor · Oceanside, NY
Rebecca Susan Sumien, LMHC is a mental health counselor with a practice address in Oceanside, New York, and NPI 1437756921, issued on Oct 7, 2020. Check the license (New York 11640, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Rebecca Susan Sumien
- Credential
- LMHC
- Primary taxonomy
- Mental Health Counselor 101YM0800X
- License number
- 11640 NY
Self-reported in NPPES; status is on the state search - Practice location
- 261 Anchor Ave, Oceanside, NY 11572
- Phone
- (516) 710-3647
- Enumerated
- Oct 7, 2020
- Record last updated
- May 27, 2025
- Medicare enrollment
- Enrolled (PECOS I20241003001038); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest mental health counselor records → All 19,989 in New York → Look up another NPI →
Verify Rebecca Susan Sumien in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 11640Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Carmel Psychological Health PCNew Hyde Park, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rebecca Susan Sumien among 19,989 mental health counselor records in New York
Rebecca Susan Sumien, LMHC is one of 19,989 mental health counselor records with a practice address in New York. 6% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 49% of them.
- NPI issued2020 · 49% of these records are older, 45% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 11% of these records are
- Graduated2019 · median 2018 among the 2,142 with a school on file
- Record last updated2025 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
28 mental health counselor records list a practice address in Oceanside
They are 28 of the 1,093 NPPES records with a practice address in Oceanside, and 19,989 mental health counselor records in New York.
All 19,989 in New York → Every provider in Oceanside → Mental Health Counselor nationwide →
The 8 mental health counselor records with the nearest ZIP codes
- Minna Barrett, PH.D.Oceanside, NY 115721225231129
- Geri Dalessio, LMHCOceanside, NY 115721225128309
- Lisa GoldbergOceanside, NY 115721023448404
- Carina Hamel, LMHCOceanside, NY 115721730473307
- Tarmo Kirsimae, MSOceanside, NY 115721841574415
- Carol Landau, LCSWOceanside, NY 115721013008515
- Rosemary Lopez, LCSWOceanside, NY 115721518115427
- Mitchell Nagler, M.A., L.M.H.C.Oceanside, NY 115721023272390
Common questions
What is Rebecca Susan Sumien, LMHC's NPI number?
Rebecca Susan Sumien, LMHC's National Provider Identifier (NPI) is 1437756921, issued on Oct 7, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Rebecca Susan Sumien, LMHC located?
The NPPES record lists a practice address at 261 Anchor Ave, Oceanside, NY, 11572. Phone: (516) 710-3647. Providers update this record themselves, so call before visiting.
How can I verify Rebecca Susan Sumien, LMHC's license?
NPPES lists New York license number 11640, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.