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MRS. MELISSA ALEXANDRA LAU MSN, APRN
NPI 1669270625
Nurse Practitioner in Saint Johns, FL

Active since March 05, 2025PECOS EnrolledAccepts Medicare Assignment
2570 RACE TRACK RD STE A, SAINT JOHNS, FL 32259(904) 819-1005(904) 819-1002 Get Directions Write a Review

NPPES record last updated: December 16, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 16, 2025, Mar 5, 2025 (2 updates tracked since 2025).

About Mrs. Melissa Alexandra Lau Msn, Aprn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MRS. MELISSA ALEXANDRA LAU MSN, APRN (NPI 1669270625) is an individual nurse practitioner in Saint Johns, Florida, licensed in Florida (APRN11035896) and active in the NPI registry since March 2025. She is enrolled in Medicare PECOS, is affiliated with Flagler Hospital, and is a graduate of Other (2024).

NPPES Registry Identity

NPI1669270625
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMRS. MELISSA ALEXANDRA LAUCredential: MSN, APRN
Location Address2570 RACE TRACK RD STE ASaint Johns, FL 32259-4589
Mailing AddressPo Box 740861Atlanta, GA 30374-0861 · (904) 819-4539 · Fax (904) 819-4906
Phone(904) 819-1005
Fax(904) 819-1002
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateMarch 5, 2025
Last NPPES UpdateDecember 16, 20252 updates tracked since enumeration
NPPES CertifiedDecember 16, 2025
✔ NPI 1669270625 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in FL · APRN11035896
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 11035896 (FL)
2570 RACE TRACK RD STE A, Saint Johns, FL 32259
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Melissa Alexandra Lau Msn, Aprn is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID446773196
PECOS Enrollment IDI20250403000125
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Flagler Hospital

Acute Care Hospitals · Saint Augustine, FL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100090
Location400 Health Park BlvdSaint Augustine, FL 32086 · St. Johns County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32259 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$87.62 typical visit price
range $56.00 – $171.84
Typical copayment $21.90 (range $14.00 – $42.96)
Most-billed visit code 99203
Established Patient
$99.16 typical visit price
range $17.57 – $139.16
Typical copayment $24.79 (range $4.39 – $34.79)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SHARON LYNN BROWN APRN
Nurse Practitioner (Family)
2570 RACE TRACK RD STE A
SAINT JOHNS, FL 32259
St. Johns County (904) 819-1005

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Melissa Lau's NPI number?

The NPI number for Melissa Lau is 1669270625. It was assigned to this individual provider in the NPPES registry on March 5, 2025.

Where is Melissa Lau located?

Melissa Lau practices at 2570 Race Track Rd Ste A, Saint Johns, FL 32259. The listed phone number is (904) 819-1005.

What is Melissa Lau's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Melissa Lau enrolled in Medicare?

Yes. Melissa Lau is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Melissa Lau accept?

Health plans from UnitedHealthcare list Melissa Lau as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Melissa Lau affiliated with any hospitals?

According to CMS data, Melissa Lau is affiliated with Flagler Hospital.

When was this NPI record last updated?

The NPPES record for Melissa Lau was last updated on December 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.