AILEEN KIT YING LO M.D.
NPI 1487972261
Preventive Medicine - Public Health & General Preventive Medicine in Ontario, CA

Q: What is Aileen Lo's NPI number?

The NPI number for Aileen Lo is 1487972261. It was assigned to this individual provider in the NPPES registry on May 4, 2010.

Q: What is Aileen Lo's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Public Health & General Preventive Medicine, with taxonomy code 2083P0901X.

Q: When was this NPI record last updated?

The NPPES record for Aileen Lo was last updated on July 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since May 04, 2010PECOS Enrolled

150 E HOLT BLVD, ONTARIO, CA 91761(909) 458-9447 Get Directions Write a Review

NPPES record last updated: July 7, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 7, 2026, Jun 27, 2016 (2 updates tracked since 2016).

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About Aileen Kit Ying Lo M.d. NPPES

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

AILEEN KIT YING LO M.D. (NPI 1487972261) is an individual public health & general preventive medicine provider in Ontario, California, licensed in California (A132421) and active in the NPI registry since May 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1487972261

Entity TypeIndividualFemale

Primary Taxonomy2083P0901X

Provider Legal NameAILEEN KIT YING LOCredential: M.D.

Location Address150 E HOLT BLVDOntario, CA 91761-1613

Mailing Address150 E Holt BlvdOntario, CA 91761-1613

Phone(909) 458-9447

Sole ProprietorNo

Enumeration DateMay 4, 2010

Last NPPES UpdateJuly 7, 20262 updates tracked since enumeration

NPPES CertifiedJuly 7, 2026

✔ NPI 1487972261 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPreventive Medicine · Public Health & General Preventive MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2083P0901X

Licenses✔ Licensed in CA · A132421✔ Licensed in AZ · 48487

Definition

Public health and general preventive medicine focuses on promoting health, preventing disease, and managing the health of communities and defined populations. These practitioners combine population-based public health skills with knowledge of primary, secondary, and tertiary prevention-oriented clinical practice in a wide variety of settings.

Also ListedPreventive Medicine · Obesity MedicineTaxonomy 2083B0002X · License A132421 (CA)

150 E HOLT BLVD, Ontario, CA 91761

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Aileen Kit Ying Lo M.d. 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 Reassignment

Medicare enrollment records show Aileen Lo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

County Of San Bernardino

Same address

Clinical Medical Laboratory

150 E HOLT BLVD
Ontario, CA 91761

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

NPI 1043281561 (909) 458-9430

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 91761 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

$74.08 typical visit price

range $19.37 – $146.42

Typical copayment $18.52 (range $4.84 – $36.60)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

4 suppliers11 claims28 services$5.16 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

COUNTY OF SAN BERNARDINO

Clinical Medical Laboratory

150 E HOLT BLVD
ONTARIO, CA 91761

San Bernardino County (909) 458-9430

JOSEPH C HOHL MD

Orthopaedic Surgery

150 E HOLT BLVD, 3RD FLOOR
ONTARIO, CA 91761

San Bernardino County (909) 458-1603

COUNTY OF SAN BERNARDINO

Public Health or Welfare

150 E HOLT BLVD
ONTARIO, CA 91761

San Bernardino County (909) 458-9447

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 Aileen Lo's NPI number?

The NPI number for Aileen Lo is 1487972261. It was assigned to this individual provider in the NPPES registry on May 4, 2010.

Where is Aileen Lo located?

Aileen Lo practices at 150 E Holt Blvd, Ontario, CA 91761. The listed phone number is (909) 458-9447.

What is Aileen Lo's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Public Health & General Preventive Medicine, with taxonomy code 2083P0901X.

Is Aileen Lo enrolled in Medicare?

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

Which organization bills Medicare for Aileen Lo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aileen Lo reassigns Medicare benefits to County Of San Bernardino (Ontario, CA). The 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 Aileen 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 Aileen Lo was last updated on July 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.