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

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: October 18, 2026.

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

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
Open in Google Maps ↗

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, billing reassignment, and ordering and referring status from CMS.

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.

Medicare Billing Reassignments

2

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

Kevin M Casey MD Apmc
Same address
Vascular Surgery
2051 SOLAR DR STE 150
Oxnard, CA 93036
  • Reassigned Medicare billing, California enrollment
  • 6 clinicians in this Medicare group
NPI 1528600558 (805) 456-8890
County Of Ventura
0.1 mi
Federally Qualified Health Center (FQHC)
2000 OUTLET CENTER DR STE 110
Oxnard, CA 93036
  • Reassigned Medicare billing, California enrollment
  • 710 clinicians in this Medicare group
NPI 1538300488 (805) 604-4588

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 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.

Which organizations bill Medicare for Hoi Yee Annie Lo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hoi Yee Annie Lo reassigns Medicare benefits to 2 organizations: Kevin M Casey MD Apmc (Oxnard, CA) and County Of Ventura (Oxnard, 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 Hoi Yee Annie 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 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 2 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.