Dennis Ly, NP
NPI 1366248742 · Psychiatric/Mental Health Nurse Practitioner · Anaheim, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dennis Ly, NP is a Psychiatric/Mental Health Nurse Practitioner provider in Anaheim, CA (NPI 1366248742).
Provider details
- NPI number
- 1366248742
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Male
- Sole proprietor
- No
- License
- 95036319 (CA)
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
1 yr 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
- 2025-02-25
- Last updated
- 2026-01-22
- Certified
- 2026-01-22
Frequently asked questions
- What is Dennis Ly's NPI number?
- Dennis Ly's National Provider Identifier (NPI) is 1366248742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Ly's specialty?
- Dennis Ly is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Dennis Ly located?
- Dennis Ly's practice location on file with NPPES is 1720 W Ball Rd Ste 4c, Anaheim, CA 92804-5591.
- What is Dennis Ly's phone number?
- The practice phone number listed in the NPPES registry for Dennis Ly is (714) 683-1472.
- Does Dennis Ly accept Medicare?
- Dennis Ly is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dennis Ly's NPI active?
- Yes — Dennis Ly's NPI (1366248742) is active in the NPPES registry as of the last update on 2026-01-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.