DR. MARY M LIAO O.D.
NPI 1992858526
Optometrist in Oxnard, CA

Q: What is Mary Liao's NPI number?

The NPI number for Mary Liao is 1992858526. It was assigned to this individual provider in the NPPES registry on January 18, 2007.

Q: What is Mary Liao'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 Mary Liao was last updated on May 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 January 18, 2007PECOS EnrolledAccepts Medicare Assignment

90.3/100

CMS Quality Rating

1700 N ROSE AVE, SUITE 200, OXNARD, CA 93030(805) 983-0700 Get Directions Write a Review

NPPES record last updated: May 15, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 15, 2024, Aug 25, 2022 (2 updates tracked since 2022).

On this page

About Dr. Mary M Liao O.d. NPPES

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

DR. MARY M LIAO O.D. (NPI 1992858526) is an individual optometrist in Oxnard, California, licensed in California (OPT11515-TLG) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Southern College Of Optometry (2000).

NPPES Registry Identity

NPI1992858526

Entity TypeIndividualFemale

Primary Taxonomy152W00000X

Provider Legal NameDR. MARY M LIAOCredential: O.D.

Location Address1700 N ROSE AVE, SUITE 200Oxnard, CA 93030-3790

Mailing Address1700 N Rose Ave Ste 200Oxnard, CA 93030-3791 · (805) 983-0700

Phone(805) 983-0700

Sole ProprietorNo

Medical School CMSSouthern College Of OptometryGraduated 2000

Enumeration DateJanuary 18, 2007

Last NPPES UpdateMay 15, 20242 updates tracked since enumeration

NPPES CertifiedMay 15, 2024

✔ NPI 1992858526 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 · OPT11515-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.

1700 N ROSE AVE, Oxnard, CA 93030

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mary M Liao 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 ID1456242981

PECOS Enrollment IDI20040323001277

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.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient problem focused exam of visual system 92012

This is a routine check-up for existing patients focusing on the visual system. It involves examining your eyes to detect any potential issues or changes in your vision. It's a crucial part of maintaining good eye health.

427 services314 patients

Established patient complete exam of visual system 92014

An established patient complete exam of the visual system involves a thorough check of your eyes and vision. It assesses eye health, checks for diseases, and measures your ability to see clearly at different distances. It's a routine, non-invasive procedure.

359 services353 patients

Exam of visual field with extended testing 92083

An extended visual field exam is a detailed test to evaluate your peripheral (side) vision. It helps to detect any potential blind spots which may not be noticeable in daily life. These could be caused by eye diseases like glaucoma, or neurological conditions.

210 services202 patients

Imaging of optic nerve 92133

Imaging of the optic nerve is a non-invasive procedure that captures detailed pictures of your optic nerve. It helps doctors assess eye health, particularly for conditions like glaucoma. It's painless, quick, and uses safe technology like MRI or OCT (Optical Coherence Tomography).

189 services184 patients

Imaging of retina 92134

Imaging of the retina is a non-invasive procedure that captures detailed images of your eye's interior. This helps detect conditions like macular degeneration or retinal detachment. It's painless and takes only a few minutes.

129 services125 patients

New patient complete exam of visual system 92004

A new patient complete exam of the visual system is a thorough evaluation of your eyes and vision. It checks for any potential issues and assesses overall eye health. It includes tests for visual acuity, eye movement, and light response.

62 services62 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93030 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

$140.72 typical visit price

range $62.32 – $185.36

Typical copayment $35.18 (range $15.58 – $46.34)

Most-billed visit code 99204

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

90.3/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

99.19

Improvement Activities

Cost

68.76

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.

DR. NICHOLAS AARON FETTMAN MD

Otolaryngology

1700 N ROSE AVE, SUITE 460
OXNARD, CA 93030

Ventura County (805) 983-0395

MRS. NEDA KARIMI M.D.

Ophthalmology

1700 N ROSE AVE, SUITE 200
OXNARD, CA 93030

Ventura County (805) 983-0700

MS. ALICIA ZARAGOZA N.P

Nurse Practitioner (Adult Health)

1700 N ROSE AVE, SUITE 145
OXNARD, CA 93030

Ventura County (805) 988-2500

GRETCHEN H. JACOBSON, MD, A PROFESSIONAL CORPORATION

Neurological Surgery

1700 N ROSE AVE, #250
OXNARD, CA 93030

Ventura County (805) 983-1700

JU-SUNG WU M.D.

Specialist

1700 N ROSE AVE, SUITE 220
OXNARD, CA 93030

Ventura County (805) 983-1009

DR. ANTOINE THOMAS HANNA MD

Obstetrics & Gynecology

1700 N ROSE AVE, 230
OXNARD, CA 93030

Ventura County (805) 988-2811

DR. TIMOTHY GORDON BRYANT M.D.

Surgery

1700 N ROSE AVE, STE 430
OXNARD, CA 93030

Ventura County (805) 485-8722

CHIRAG DALSANIA M.D.

Internal Medicine (Hematology & Oncology)

1700 N ROSE AVE, SUITE 320
OXNARD, CA 93030

Ventura County (805) 485-8709

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 Mary Liao's NPI number?

The NPI number for Mary Liao is 1992858526. It was assigned to this individual provider in the NPPES registry on January 18, 2007.

Where is Mary Liao located?

Mary Liao practices at 1700 N Rose Ave Suite 200, Oxnard, CA 93030. The listed phone number is (805) 983-0700.

What is Mary Liao's specialty?

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

Is Mary Liao enrolled in Medicare?

Yes. Mary Liao is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mary Liao accept?

Health plans from Providence Health Plan list Mary Liao as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mary Liao was last updated on May 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.