1. Home
  2. Directory
  3. Pennsylvania
  4. Philadelphia
  5. Optometrist
  6. NPI Profile

DR. NGOC AU O.D
NPI 1356627079
Optometrist in Philadelphia, PA

Active since October 26, 2011PECOS EnrolledAccepts Medicare Assignment
1149 S 11TH ST FL 1, PHILADELPHIA, PA 19147(215) 218-3200(215) 218-3201 Get Directions Write a Review

NPPES record last updated: January 30, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Ngoc Au O.d NPPES

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

DR. NGOC AU O.D (NPI 1356627079) is an individual optometrist in Philadelphia, Pennsylvania, licensed in Pennsylvania (OEG002559) and active in the NPI registry since October 2011. She is enrolled in Medicare PECOS and is a graduate of Pennsylvania College Of Optometry (2011).

NPPES Registry Identity

NPI1356627079
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameDR. NGOC AUCredential: O.D
Location Address1149 S 11TH ST FL 1Philadelphia, PA 19147-4624
Mailing Address1149 S 11th St Fl 1Philadelphia, PA 19147-4624 · (215) 218-3200 · Fax (215) 218-3201
Phone(215) 218-3200
Fax(215) 218-3201
Sole ProprietorYes
Medical School CMSPennsylvania College Of OptometryGraduated 2011
Enumeration DateOctober 26, 2011
Last NPPES UpdateJanuary 30, 2026
NPPES CertifiedJanuary 30, 2026
✔ NPI 1356627079 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 PA · OEG002559
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.
1149 S 11TH ST FL 1, Philadelphia, PA 19147
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and more.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

Dr. Ngoc Au 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 ID4688838741
PECOS Enrollment IDI20120621000303, I20231005000572
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 Ngoc Au reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Visio Eyecare Inc
Same address
Point of Service
1149 S 11TH ST FL 1
Philadelphia, PA 19147
  • Reassigned Medicare billing, Pennsylvania enrollment
NPI 1558629584 (215) 218-3200
Simon Eye Associates PA
31 mi
Optometrist
5301 LIMESTONE RD STE 128
Wilmington, DE 19808
  • Reassigned Medicare billing, Delaware enrollment
  • 45 clinicians in this Medicare group
NPI 1205871506 (302) 239-1933

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

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 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.
25 services22 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
21 services19 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.
18 services18 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.
12 services12 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.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19147 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
$137.17 typical visit price
range $59.88 – $180.99
Typical copayment $34.29 (range $14.97 – $45.24)
Most-billed visit code 99204
Established Patient
$74.47 typical visit price
range $19.30 – $147.29
Typical copayment $18.61 (range $4.82 – $36.82)
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

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

VISIO EYECARE INC
Point of Service
1149 S 11TH ST FL 1
PHILADELPHIA, PA 19147
Philadelphia County (215) 218-3200

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 Ngoc Au's NPI number?

The NPI number for Ngoc Au is 1356627079. It was assigned to this individual provider in the NPPES registry on October 26, 2011.

Where is Ngoc Au located?

Ngoc Au practices at 1149 S 11th St Fl 1, Philadelphia, PA 19147. The listed phone number is (215) 218-3200.

What is Ngoc Au's specialty?

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

Is Ngoc Au enrolled in Medicare?

Yes. Ngoc Au 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.

Which organizations bill Medicare for Ngoc Au's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Ngoc Au reassigns Medicare benefits to 2 organizations: Visio Eyecare Inc (Philadelphia, PA) and Simon Eye Associates PA (Wilmington, DE). 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 Ngoc Au's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Ngoc Au accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 12 other insurers list Ngoc Au 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 Ngoc Au was last updated on January 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.