GRACE K. LEE FNP-C
NPI 1104683283
Nurse Practitioner - Family in Ontario, CA

Active since March 05, 2024PECOS Enrolled
3990 CONCOURS STE 500, ONTARIO, CA 91764(909) 605-8000 Get Directions Write a Review

NPPES record last updated: November 22, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 22, 2025, Mar 5, 2024 (2 updates tracked since 2024).

About Grace K. Lee Fnp-c NPPES

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

GRACE K. LEE FNP-C (NPI 1104683283) is an individual family provider in Ontario, California, licensed in California (95027005) and active in the NPI registry since March 2024. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1104683283
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameGRACE K. LEECredential: FNP-C
Location Address3990 CONCOURS STE 500Ontario, CA 91764-7983
Mailing AddressPo Box 35380Las Vegas, NV 89133-5380 · (702) 579-3203
Sole ProprietorNo
Enumeration DateMarch 5, 2024
Last NPPES UpdateNovember 22, 20252 updates tracked since enumeration
NPPES CertifiedNovember 22, 2025
NPI 1104683283 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in CA · 95027005
3990 CONCOURS STE 500, Ontario, CA 91764

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Grace K. Lee Fnp-c 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 91764 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
$91.88 typical visit price
range $59.60 – $179.42
Typical copayment $22.97 (range $14.90 – $44.85)
Most-billed visit code 99203
Established Patient
$104.64 typical visit price
range $19.37 – $146.42
Typical copayment $26.16 (range $4.84 – $36.60)
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 3

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

Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
3990 CONCOURS STE 500
ONTARIO, CA 91764
Physician Assistant
3990 CONCOURS STE 500
ONTARIO, CA 91764
Internal Medicine (Rheumatology)
3990 CONCOURS STE 500
ONTARIO, CA 91764

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 Grace Lee's NPI number?

The NPI number for Grace Lee is 1104683283. It was assigned to this individual provider in the NPPES registry on March 5, 2024.

Where is Grace Lee located?

Grace Lee practices at 3990 Concours Ste 500, Ontario, CA 91764. The listed phone number is (909) 605-8000.

What is Grace Lee's specialty?

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

Is Grace Lee enrolled in Medicare?

Yes. Grace Lee is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Grace Lee was last updated on November 22, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.