KATHY MAO O.D.
NPI 1053830158
Optometrist in Santa Ana, CA

Q: What is Kathy Mao's NPI number?

The NPI number for Kathy Mao is 1053830158. It was assigned to this individual provider in the NPPES registry on September 11, 2017.

Q: What is Kathy Mao's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Q: When was this NPI record last updated?

The NPPES record for Kathy Mao was last updated on August 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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 September 11, 2017PECOS EnrolledAccepts Medicare Assignment

1206 E 17TH ST STE 101, SANTA ANA, CA 92701(714) 352-2911(714) 352-2903 Get Directions Write a Review

NPPES record last updated: August 21, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Kathy Mao O.d. NPPES

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

KATHY MAO O.D. (NPI 1053830158) is an individual optometrist in Santa Ana, California, licensed in California (OPT33828-TLG) and active in the NPI registry since September 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1053830158

Entity TypeIndividualFemale

Primary Taxonomy152W00000X

Provider Legal NameKATHY MAOCredential: O.D.

Location Address1206 E 17TH ST STE 101Santa Ana, CA 92701-2641

Mailing Address1206 E 17th St Ste 101Santa Ana, CA 92701-2641 · (714) 352-2911 · Fax (714) 352-2903

Phone(714) 352-2911

Fax(714) 352-2903

Sole ProprietorYes

Medical School CMSOtherGraduated 2017

Enumeration DateSeptember 11, 2017

Last NPPES UpdateAugust 21, 2025

NPPES CertifiedAugust 21, 2025

✔ NPI 1053830158 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers

Taxonomy Code152W00000X

License✔ Licensed in CA · OPT33828-TLG

Definition

Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

1206 E 17TH ST STE 101, Santa Ana, CA 92701

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Kathy Mao O.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9638430101

PECOS Enrollment IDI20180223001709

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 Kathy Mao reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Serve The People, Inc

Same address

Federally Qualified Health Center (FQHC)

1206 E 17TH STREET, SUITE 101
Santa Ana, CA 92701

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

NPI 1770803462 (714) 352-2911

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 92701 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

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

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 20

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

MRS. JUDY RAMIREZ-CAMPUZANO LCSW

Social Worker (Clinical)