DR. OLIVIA LIAO MD
NPI 1174502454
Ophthalmology in Lexington, MA

Active since January 13, 2006PECOS Enrolled
21 WORTHEN RD, LEXINGTON, MA 02421(781) 862-1620(781) 863-9416 Get Directions Write a Review

NPPES record last updated: June 23, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Olivia Liao Md NPPES

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

DR. OLIVIA LIAO MD (NPI 1174502454) is an individual ophthalmology provider in Lexington, Massachusetts, licensed in Massachusetts (75542) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS and is a graduate of Boston University School Of Medicine (1990).

NPPES Registry Identity

NPI1174502454
Entity TypeIndividualFemale
Primary Taxonomy207W00000X
Provider Legal NameDR. OLIVIA LIAOCredential: MD
Location Address21 WORTHEN RDLexington, MA 02421-4835
Mailing Address21 Worthen Rd, Attn: Amy KilpatrickLexington, MA 02421-4835 · (781) 862-1620 · Fax (781) 863-9416
Fax(781) 863-9416
Sole ProprietorNo
Medical School CMSBoston University School Of MedicineGraduated 1990
Enumeration DateJanuary 13, 2006
Last NPPES UpdateJune 23, 2008
NPI 1174502454 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License Licensed in MA · 75542
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
21 WORTHEN RD, Lexington, MA 02421

Other Identifiers 3

Medicare PINNX2629MA
Medicare UPING36555MA
Medicaid3173844MA

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Olivia Liao Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID7113935495
PECOS Enrollment IDI20110315000285
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 13

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 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.
866 services857 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).
146 services143 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
141 services122 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.
110 services106 patients
Photography of the retina 92250
Photography of the retina, also known as retinal imaging, is a non-invasive procedure that captures images of the back of your eye. This helps doctors identify and monitor conditions like glaucoma, macular degeneration, or diabetic retinopathy. It's painless and quick, often part of a routine eye exam.
85 services76 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.
77 services73 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02421 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
$144.11 typical visit price
range $63.72 – $189.86
Typical copayment $36.02 (range $15.93 – $47.46)
Most-billed visit code 99204
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
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.

Ophthalmology
21 WORTHEN RD
LEXINGTON, MA 02421
Ophthalmology
21 WORTHEN RD
LEXINGTON, MA 02421
Ophthalmology
21 WORTHEN RD
LEXINGTON, MA 02421
Ophthalmology (Pediatric Ophthalmology and Strabismus Specialist)
21 WORTHEN RD
LEXINGTON, MA 02421
Ophthalmology
21 WORTHEN RD
LEXINGTON, MA 02421
Ophthalmology
21 WORTHEN RD
LEXINGTON, MA 02421
Social Worker
21 WORTHEN RD, SUITE 2
LEXINGTON, MA 02421
Ophthalmology
21 WORTHEN RD
LEXINGTON, MA 02421

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 Olivia Liao's NPI number?

The NPI number for Olivia Liao is 1174502454. It was assigned to this individual provider in the NPPES registry on January 13, 2006.

Where is Olivia Liao located?

Olivia Liao practices at 21 Worthen Rd, Lexington, MA 02421. The listed phone number is (781) 862-1620.

What is Olivia Liao's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Is Olivia Liao enrolled in Medicare?

Yes. Olivia Liao is registered in the Medicare PECOS enrollment system.

What insurance does Olivia Liao accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and Providence Health Plan list Olivia 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 Olivia Liao was last updated on June 23, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.