MRS. ESTHER Y LO N.P.
NPI 1053340562
Nurse Practitioner in Colton, CA

Q: What is Esther Lo's NPI number?

The NPI number for Esther Lo is 1053340562. It was assigned to this individual provider in the NPPES registry on June 30, 2006.

Q: What is Esther Lo's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Esther Lo was last updated on April 23, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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 30, 2006PECOS Enrolled

1181 N MOUNT VERNON AVE, COLTON, CA 92324(909) 498-2356(877) 824-9080 Get Directions Write a Review

NPPES record last updated: April 23, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Mrs. Esther Y Lo N.p. NPPES

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

MRS. ESTHER Y LO N.P. (NPI 1053340562) is an individual nurse practitioner in Colton, California, licensed in California (10381) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1053340562

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameMRS. ESTHER Y LOCredential: N.P.

Location Address1181 N MOUNT VERNON AVEColton, CA 92324-2574

Mailing Address200 Oceangate, Suite 100Long Beach, CA 90802-4317 · (909) 498-2356 · Fax (877) 824-9080

Phone(909) 498-2356

Fax(877) 824-9080

Sole ProprietorNo

Enumeration DateJune 30, 2006

Last NPPES UpdateApril 23, 2015

✔ NPI 1053340562 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in CA · 10381

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.

1181 N MOUNT VERNON AVE, Colton, CA 92324

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Other Identifiers 9

Medicare PINCE371WCA

MedicaidEFF.4/23/13-MORENOVACA

Medicare UPINP26356CA

MedicaidEFF.4/23/13-N.RIVERSCA

OtherP01282960/DU4034CA · Railroad Medicare

MedicaidEFF 2/20/13 RIALTOCA

Medicare PINCA109279 EFF 8/21/13CA

MedicaidEFF. 5/17/13-SAN BERCA

MedicaidEFF.10/21/13-COLTONCA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Esther Y Lo N.p. 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.

Medicare Billing Reassignments

Medicare enrollment records show Esther Lo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Riverside-San Bernardino County Indian Health, Inc.

1.0 mi

Federally Qualified Health Center (FQHC)

11980 MOUNT VERNON AVE
Grand Terrace, CA 92313

Reassigned Medicare billing, Texas enrollment
101 clinicians in this Medicare group

NPI 1174676670 (909) 864-1097

Pinnacle Medical Group, Inc

8.0 mi

Family Medicine

8110 MANGO AVE
Fontana, CA 92335

Reassigned Medicare billing, California enrollment
149 clinicians in this Medicare group

NPI 1376876912 (909) 427-1303

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92324 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 4

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

SOUTHERN CALIFORNIA EMERGENCY MEDICINE

Clinic/Center (Urgent Care)

1181 N MOUNT VERNON AVE
COLTON, CA 92324

San Bernardino County (909) 335-1900

DR. MARIAM S. MOGHADAM M.D.

Family Medicine

1181 N MOUNT VERNON AVE
COLTON, CA 92324

San Bernardino County (909) 498-2356

JOSEPH M MOLINA MD PROFESSIONAL CORPORATION SOUTHERN CALIFORNIA

Non-Pharmacy Dispensing Site

1181 N MOUNT VERNON AVE
COLTON, CA 92324

San Bernardino County (909) 498-2356

JOSEPH M MOLINA MD PROFESSIONAL CORPORATION - SOUTHERN CALIFORNIA

Family Medicine

1181 N MOUNT VERNON AVE
COLTON, CA 92324

San Bernardino County (909) 498-2356

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 Esther Lo's NPI number?

The NPI number for Esther Lo is 1053340562. It was assigned to this individual provider in the NPPES registry on June 30, 2006.

Where is Esther Lo located?

Esther Lo practices at 1181 N Mount Vernon Ave, Colton, CA 92324. The listed phone number is (909) 498-2356.

What is Esther Lo's specialty?

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

Is Esther Lo enrolled in Medicare?

Yes. Esther Lo is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Esther Lo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Esther Lo reassigns Medicare benefits to 2 organizations: Riverside-San Bernardino County Indian Health, Inc. (Grand Terrace, CA) and Pinnacle Medical Group, Inc (Fontana, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Esther Lo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Esther Lo was last updated on April 23, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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.