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

KATHERINE NGO OD
NPI 1245025816
Optometrist in Merced, CA

Active since April 14, 2025PECOS Enrolled
197 W EL PORTAL DR STE A, MERCED, CA 95348(209) 384-2110(209) 384-8756 Get Directions Write a Review

NPPES record last updated: July 30, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Katherine Ngo Od NPPES

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

KATHERINE NGO OD (NPI 1245025816) is an individual optometrist in Merced, California, licensed in California (36300) and active in the NPI registry since April 2025. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1245025816
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameKATHERINE NGOCredential: OD
Location Address197 W EL PORTAL DR STE AMerced, CA 95348-2850
Mailing Address197 W El Portal Dr Ste AMerced, CA 95348-2850 · (209) 384-2110 · Fax (209) 384-8756
Phone(209) 384-2110
Fax(209) 384-8756
Sole ProprietorYes
Enumeration DateApril 14, 2025
Last NPPES UpdateJuly 30, 2026
NPPES CertifiedJuly 30, 2026
✔ NPI 1245025816 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 · 36300
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.
197 W EL PORTAL DR STE A, Merced, CA 95348
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Katherine Ngo Od is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 95348 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
$133.94 typical visit price
range $58.87 – $176.60
Typical copayment $33.48 (range $14.71 – $44.15)
Most-billed visit code 99204
Established Patient
$73.16 typical visit price
range $19.28 – $144.60
Typical copayment $18.29 (range $4.82 – $36.15)
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.

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 Katherine Ngo's NPI number?

The NPI number for Katherine Ngo is 1245025816. It was assigned to this individual provider in the NPPES registry on April 14, 2025.

Where is Katherine Ngo located?

Katherine Ngo practices at 197 W El Portal Dr Ste A, Merced, CA 95348. The listed phone number is (209) 384-2110.

What is Katherine Ngo's specialty?

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

Is Katherine Ngo enrolled in Medicare?

Yes. Katherine Ngo is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Katherine Ngo was last updated on July 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.