Lhien Singh Sin, FNP
NPI 1366394389 · Family Nurse Practitioner · Dallas, TX
Lhien Singh Sin, FNP is a Family Nurse Practitioner provider in Dallas, TX (NPI 1366394389).
Provider details
- NPI number
- 1366394389
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 1087477 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
- 2026-02-11
- Last updated
- 2026-02-11
- Certified
- 2026-02-11
Frequently asked questions
- What is Lhien Singh Sin's NPI number?
- Lhien Singh Sin's National Provider Identifier (NPI) is 1366394389, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lhien Singh Sin's specialty?
- Lhien Singh Sin is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Lhien Singh Sin located?
- Lhien Singh Sin's practice location on file with NPPES is 5184 Tex Oak Ave, Dallas, TX 75235-7822.
- What is Lhien Singh Sin's phone number?
- The practice phone number listed in the NPPES registry for Lhien Singh Sin is (214) 590-5927.
- Is Lhien Singh Sin's NPI active?
- Yes — Lhien Singh Sin's NPI (1366394389) is active in the NPPES registry as of the last update on 2026-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.