Sarah Lau, APN
NPI 1548254378 · Family Nurse Practitioner · Chicago, IL
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sarah Lau, APN is a Family Nurse Practitioner provider in Chicago, IL (NPI 1548254378).
Provider details
- NPI number
- 1548254378
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APN
- Sex
- Female
- Sole proprietor
- No
- License
- 277003263 (IL)
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 tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 112 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 917 | 99 |
| Metformin Hcl | 413 | 45 |
| Lisinopril | 322 | 39 |
| Amlodipine Besylate | 322 | 39 |
| Tamsulosin Hcl | 300 | 29 |
| Losartan Potassium | 279 | 34 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$121 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 4423 N Ravenswood AveChicago, IL 60640-5802Phone: (773) 324-6570Fax: (773) 942-7670
Registry dates
- Enumerated
- 2005-09-08
- Last updated
- 2024-07-08
- Certified
- 2024-07-08
Frequently asked questions
- What is Sarah Lau's NPI number?
- Sarah Lau's National Provider Identifier (NPI) is 1548254378, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sarah Lau's specialty?
- Sarah Lau is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sarah Lau located?
- Sarah Lau's practice location on file with NPPES is 1740 W Taylor St, Chicago, IL 60612-7232.
- What is Sarah Lau's phone number?
- The practice phone number listed in the NPPES registry for Sarah Lau is (312) 996-7296.
- Does Sarah Lau accept Medicare?
- Sarah Lau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sarah Lau's NPI active?
- Yes — Sarah Lau's NPI (1548254378) is active in the NPPES registry as of the last update on 2024-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.