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

HOI YEE ANNIE LO MD
NPI 1174083521
Surgery - Vascular Surgery in Oxnard, CA

Q: What is Hoi Yee Annie Lo's NPI number?

The NPI number for Hoi Yee Annie Lo is 1174083521. It was assigned to this individual provider in the NPPES registry on March 21, 2019.

Q: What is Hoi Yee Annie Lo's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Q: When was this NPI record last updated?

The NPPES record for Hoi Yee Annie Lo was last updated on August 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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 March 21, 2019PECOS Enrolled

2051 SOLAR DR STE 150, OXNARD, CA 93036(805) 456-8890(805) 485-4088 Get Directions Write a Review

NPPES record last updated: August 10, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 10, 2026, Nov 30, 2021, Mar 21, 2019 (3 updates tracked since 2019).

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About Hoi Yee Annie Lo Md NPPES

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

HOI YEE ANNIE LO MD (NPI 1174083521) is an individual vascular surgery provider in Oxnard, California, licensed in California (A182205) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, maintains a secondary practice location in Ventura, and is a graduate of Eastern Virginia Medical School (2019).

NPPES Registry Identity

NPI1174083521

Entity TypeIndividualFemale

Primary Taxonomy2086S0129X

Provider Legal NameHOI YEE ANNIE LOCredential: MD

Location Address2051 SOLAR DR STE 150Oxnard, CA 93036-0641

Mailing Address2051 Solar Dr Ste 150Oxnard, CA 93036-0641 · Fax (805) 485-4088

Phone(805) 456-8890

Fax(805) 485-4088

Sole ProprietorNo

Medical School CMSEastern Virginia Medical SchoolGraduated 2019

Enumeration DateMarch 21, 2019

Last NPPES UpdateAugust 10, 20263 updates tracked since enumeration

NPPES CertifiedAugust 10, 2026

✔ NPI 1174083521 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code2086S0129X

License✔ Licensed in CA · A182205

Definition

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

Also ListedSurgeryTaxonomy 208600000X · License A182205 (CA)

2051 SOLAR DR STE 150, Oxnard, CA 93036

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Secondary Practice Location 1

Location 12605 Loma Vista RdVentura, CA 93003-1548 · Phone (805) 456-8890 · Fax (805) 485-4088

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hoi Yee Annie Lo Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1254801798

PECOS Enrollment IDI20260526004153

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 93036 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

$95.28 typical visit price

range $62.32 – $185.36

Typical copayment $23.82 (range $15.58 – $46.34)

Most-billed visit code 99203

Established Patient

$77.11 typical visit price

range $20.68 – $151.85

Typical copayment $19.27 (range $5.17 – $37.96)

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.

Other Providers at the Same Location NPPES

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

KEVIN M CASEY MD APMC

Surgery (Vascular Surgery)

2051 SOLAR DR STE 150
OXNARD, CA 93036

Ventura County (805) 456-8890

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 Hoi Yee Annie Lo's NPI number?

The NPI number for Hoi Yee Annie Lo is 1174083521. It was assigned to this individual provider in the NPPES registry on March 21, 2019.

Where is Hoi Yee Annie Lo located?

Hoi Yee Annie Lo practices at 2051 Solar Dr Ste 150, Oxnard, CA 93036. The listed phone number is (805) 456-8890.

What is Hoi Yee Annie Lo's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Is Hoi Yee Annie Lo enrolled in Medicare?

Yes. Hoi Yee Annie Lo is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Hoi Yee Annie Lo was last updated on August 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.