Chelsea Lau, MD
NPI 1427519214 · Hematology & Oncology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chelsea Lau, MD is a Hematology & Oncology Physician provider in Chicago, IL (NPI 1427519214).
Provider details
- NPI number
- 1427519214
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 036.164072 (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
7 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
- 2019-03-26
- Last updated
- 2023-06-27
- Certified
- 2023-06-27
Frequently asked questions
- What is Chelsea Lau's NPI number?
- Chelsea Lau's National Provider Identifier (NPI) is 1427519214, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chelsea Lau's specialty?
- Chelsea Lau is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Chelsea Lau located?
- Chelsea Lau's practice location on file with NPPES is 251 E Huron St, Chicago, IL 60611-2908.
- What is Chelsea Lau's phone number?
- The practice phone number listed in the NPPES registry for Chelsea Lau is (630) 933-1600.
- Does Chelsea Lau accept Medicare?
- Chelsea Lau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chelsea Lau's NPI active?
- Yes — Chelsea Lau's NPI (1427519214) is active in the NPPES registry as of the last update on 2023-06-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.