Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CAROL LOUIE NP
NPI 1821729310
Nurse Practitioner - Family in Arcadia, CA

Q: What is Carol Louie's NPI number?

The NPI number for Carol Louie is 1821729310. It was assigned to this individual provider in the NPPES registry on June 23, 2022.

Q: What is Carol Louie's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Q: When was this NPI record last updated?

The NPPES record for Carol Louie was last updated on September 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 56 days 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.

Active since June 23, 2022PECOS Enrolled

612 W DUARTE RD STE 501, ARCADIA, CA 91007(626) 635-1688 Get Directions Write a Review

NPPES record last updated: September 2, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Carol Louie Np NPPES

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

CAROL LOUIE NP (NPI 1821729310) is an individual family provider in Arcadia, California, licensed in California (95041378) and active in the NPI registry since June 2022. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1821729310

Entity TypeIndividualFemale

Primary Taxonomy363LF0000X

Provider Legal NameCAROL LOUIECredential: NP

Location Address612 W DUARTE RD STE 501Arcadia, CA 91007-9206

Mailing Address612 W Duarte Rd Ste 501Arcadia, CA 91007-9206 · (626) 635-1688

Phone(626) 635-1688

Sole ProprietorYes

Enumeration DateJune 23, 2022

Last NPPES UpdateSeptember 2, 2026

NPPES CertifiedSeptember 2, 2026

✔ NPI 1821729310 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LF0000X

License✔ Licensed in CA · 95041378

Also ListedRegistered NurseTaxonomy 163W00000X · License 95285285 (CA)

612 W DUARTE RD STE 501, Arcadia, CA 91007

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Carol Louie Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91007 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

$96.36 typical visit price

range $62.96 – $187.60

Typical copayment $24.09 (range $15.74 – $46.90)

Most-billed visit code 99203

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

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.

KATIE TZE CHI LIN

Physician Assistant

612 W DUARTE RD STE 501
ARCADIA, CA 91007

Los Angeles County (626) 878-8080

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 Carol Louie's NPI number?

The NPI number for Carol Louie is 1821729310. It was assigned to this individual provider in the NPPES registry on June 23, 2022.

Where is Carol Louie located?

Carol Louie practices at 612 W Duarte Rd Ste 501, Arcadia, CA 91007. The listed phone number is (626) 635-1688.

What is Carol Louie's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Carol Louie enrolled in Medicare?

Yes. Carol Louie is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Carol Louie was last updated on September 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 56 days 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.