Joyce Lo, M.D.
NPI 1780871426 · Pediatrics Physician · Naperville, IL
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joyce Lo, M.D. is a Pediatrics Physician provider in Naperville, IL (NPI 1780871426).
Provider details
- NPI number
- 1780871426
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036117186 (IL)
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
18 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
- 2007-09-26
- Last updated
- 2026-03-27
- Certified
- 2026-03-27
Frequently asked questions
- What is Joyce Lo's NPI number?
- Joyce Lo's National Provider Identifier (NPI) is 1780871426, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joyce Lo's specialty?
- Joyce Lo is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Joyce Lo located?
- Joyce Lo's practice location on file with NPPES is 801 S Washington St, Naperville, IL 60540-7430.
- What is Joyce Lo's phone number?
- The practice phone number listed in the NPPES registry for Joyce Lo is (630) 527-3288.
- Does Joyce Lo accept Medicare?
- Joyce Lo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joyce Lo's NPI active?
- Yes — Joyce Lo's NPI (1780871426) is active in the NPPES registry as of the last update on 2026-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.