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Deanna Liu, LMHC
NPI 1659141398 · Mental Health Counselor · Sayville, NY
Deanna Liu, LMHC is a Mental Health Counselor provider in Sayville, NY (NPI 1659141398).
Provider details
- NPI number
- 1659141398
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LMHC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 014158 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(57/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
23 Candee Ave
Sayville, NY 11782-3055
Phone: (631) 629-2250
Fax: (631) 629-2250
Street-level locationGet directions
Mailing address
27 George St
Sayville, NY 11782-1107
Registry dates
- Enumerated
- 2024-01-04
- Last updated
- 2024-01-05
- Certified
- 2024-01-05
Frequently asked questions
- What is Deanna Liu's NPI number?
- Deanna Liu's National Provider Identifier (NPI) is 1659141398, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Deanna Liu's specialty?
- Deanna Liu is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Deanna Liu located?
- Deanna Liu's practice location on file with NPPES is 23 Candee Ave, Sayville, NY 11782-3055.
- What is Deanna Liu's phone number?
- The practice phone number listed in the NPPES registry for Deanna Liu is (631) 629-2250.
- Is Deanna Liu's NPI active?
- Yes — Deanna Liu's NPI (1659141398) is active in the NPPES registry as of the last update on 2024-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.