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SONIA K CHUNG OD
NPI 1780747758
Optometrist in Phoenix, AZ

Active since December 19, 2006PECOS Enrolled
2337 W NORTHERN AVE, PHOENIX, AZ 85021(602) 995-8848(602) 995-2980 Get Directions Write a Review

NPPES record last updated: July 6, 2010. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Sonia K Chung Od NPPES

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

SONIA K CHUNG OD (NPI 1780747758) is an individual optometrist in Phoenix, Arizona, licensed in Arizona (1131) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1780747758
Entity TypeIndividualFemale
Primary Taxonomy152W00000X
Provider Legal NameSONIA K CHUNGCredential: OD
Location Address2337 W NORTHERN AVEPhoenix, AZ 85021-4918
Mailing Address2337 W Northern AvePhoenix, AZ 85021-4918 · (602) 995-8848 · Fax (602) 995-2980
Phone(602) 995-8848
Fax(602) 995-2980
Sole ProprietorNo
Enumeration DateDecember 19, 2006
Last NPPES UpdateJuly 6, 2010
✔ NPI 1780747758 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 AZ · 1131
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.
2337 W NORTHERN AVE, Phoenix, AZ 85021
Open in Google Maps ↗

Other Identifiers 3

OtherZ134531AZ · Ptan
Medicare ID-Type Unspecified82490AZ · Medicare
Medicare UPINU99358AZ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, Blue Cross Blue Shield of Arizona, Blue Cross Blue Shield of Wyoming 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 (PECOS)

Sonia K Chung 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.

Medicare Billing Reassignment

Medicare enrollment records show Sonia Chung reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Tom Sowash Od & Associates PC
21 mi
Optometrist
3431 W FRYE RD STE 1
Chandler, AZ 85226
  • Reassigned Medicare billing, Arizona enrollment
  • 52 clinicians in this Medicare group
NPI 1174627202 (480) 782-9658

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 85021 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
$127.71 typical visit price
range $55.44 – $168.60
Typical copayment $31.92 (range $13.86 – $42.15)
Most-billed visit code 99204
Established Patient
$69.24 typical visit price
range $17.72 – $137.41
Typical copayment $17.31 (range $4.43 – $34.35)
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 5

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

NORTHERN AVENUE EYE CARE, LLC
Optometrist
2337 W NORTHERN AVE
PHOENIX, AZ 85021
Maricopa County (602) 995-8848
NORTHERN MEDICAL & OPTICAL LLC
Technician/Technologist (Optician)
2337 W NORTHERN AVE
PHOENIX, AZ 85021
Maricopa County (602) 995-8848
MR. EMMETT DOWNING LDO
Technician/Technologist (Optician)
2337 W NORTHERN AVE
PHOENIX, AZ 85021
Maricopa County (602) 995-8848
DR. ROBERT J. CLANTON O.D.
Optometrist
2337 W NORTHERN AVE
PHOENIX, AZ 85021
Maricopa County (602) 995-8848
ROBERT J CLANTON, OD LLC
Optometrist
2337 W NORTHERN AVE
PHOENIX, AZ 85021
Maricopa County (602) 995-8848

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 Sonia Chung's NPI number?

The NPI number for Sonia Chung is 1780747758. It was assigned to this individual provider in the NPPES registry on December 19, 2006.

Where is Sonia Chung located?

Sonia Chung practices at 2337 W Northern Ave, Phoenix, AZ 85021. The listed phone number is (602) 995-8848.

What is Sonia Chung's specialty?

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

Is Sonia Chung enrolled in Medicare?

Yes. Sonia Chung is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Sonia Chung's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Sonia Chung reassigns Medicare benefits to Tom Sowash Od & Associates PC (Chandler, AZ). The 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 Sonia Chung's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Sonia Chung accept?

Health plans from Blue Cross Blue Shield of Arizona, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Oscar Health and Oscar Health Insurance and 5 other insurers list Sonia Chung 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 Sonia Chung was last updated on July 6, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.