Lily Chen, M.D.
NPI 1861455024 · Neonatal-Perinatal Medicine Physician · Laguna Hills, CA
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lily Chen, M.D. is a Neonatal-Perinatal Medicine Physician provider in Laguna Hills, CA (NPI 1861455024).
Provider details
- NPI number
- 1861455024
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- License
- A061844 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-04-10
- Last updated
- 2007-07-08
Frequently asked questions
- What is Lily Chen's NPI number?
- Lily Chen's National Provider Identifier (NPI) is 1861455024, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lily Chen's specialty?
- Lily Chen is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lily Chen located?
- Lily Chen's practice location on file with NPPES is 24451 Health Center Dr, Laguna Hills, CA 92653-3689.
- What is Lily Chen's phone number?
- The practice phone number listed in the NPPES registry for Lily Chen is (949) 451-7165.
- Does Lily Chen accept Medicare?
- Lily Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lily Chen's NPI active?
- Yes — Lily Chen's NPI (1861455024) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.