DR. SANDY XINYU ZHANG-NUNES (M.D.) – Ophthalmic Plastic and Reconstructive Surgery Physician, NPI 1740434406

DR. SANDY XINYU ZHANG-NUNES (M.D.) is a healthcare provider. based in Los angeles, California. specializing in OPHTHALMOLOGY. They hold the professional credentials M.D.. They hold a License No. A112026 (CA). The NPI Number for DR. SANDY XINYU ZHANG-NUNES (M.D.) is 1740434406

Main info

Female
18 Years Of Experience
Accepts Medicare Assignment
Name
DR. SANDY XINYU ZHANG-NUNES (M.D.)
NPI
1740434406
Phone
(323) 442-6335
Address
1450 SAN PABLO ST FL 4
Enumeration Date
7 November 2008
Last Update Date
27 November 2023

Doctor Profile

Medical School Name
JOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
8008722273
Graduation Year
2008 (18 years ago)
PAC ID
1759545403
Group Practice PAC ID
0446157747
Professional Enrollment ID
I20141113000865
Address ID
CA900335310LO1520XNXXX700

Contacts

Secure Messaging
sandy.zhang-nunes@direct.usc.edu
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience63
Completeness85
Years active:17State licenses:1Other namesUpdated within 12 months

2,665 OPHTHALMOLOGY in CA

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Provider Addresses for DR. SANDY XINYU ZHANG-NUNES (M.D.)

  • San Pablo Street, Lincoln Heights, Los Angeles, Los Angeles County, California, 90031, United States

    LOS ANGELES, CA 900334500

    Phone: (323) 442-6335

    Type: Location

  • PO BOX 31309

    LOS ANGELES, CA 900310309

    Phone: (323) 442-6335

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 132 Open Payments records for all available years, with a total value of $97,741.

Total Amount is formed as General ($97,741) + Research ($0) + Ownership ($0) = $97,741.

Last reported payment date: 2024-12-03 • Largest payer in this snapshot: Horizon Therapeutics plc ($51,920).

Total Amount

$97,741

General + Research + Ownership

Payments

132

Total payment records

General Amount

$97,741

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-12-03

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2014-11-13

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20141113000865IOphthalmologyCATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
92285Photography of content of eyes8976$0
99215Established patient office or other outpatient visit, 40-54 minutes4341$0
99214Established patient office or other outpatient visit, 30-39 minutes3129$0
99213Established patient office or other outpatient visit, 20-29 minutes2619$0
92082Exam of visual field with intermediate testing2323$0
View full utilization report →

Insurance plans in this area (ZIP 90033)

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Provider's Procedures

DR. SANDY XINYU ZHANG-NUNES (M.D.) performs procedures in OPHTHALMOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
OPHTHALMOLOGYCA92012Eye and medical examination for diagnosis and treatment, established patient3933
OPHTHALMOLOGYCA92083Measurement of field of vision during daylight conditions2020

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 0446157747View full group profile
NameSpecialtyState
-CA
U R O L O G YCA
Diagnostic RadiologyNY
Diagnostic RadiologyCA
-CA
-CA
H E M A T O L O G Y/ O N C O L O G YCA
General SurgeryCA
Certified Registered Nurse Anesthetist (Crna)CA
-CA

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Frequently asked questions

Is DR. SANDY XINYU ZHANG-NUNES (M.D.) listed with a National Provider Identifier?
Yes — DR. SANDY XINYU ZHANG-NUNES (M.D.) has NPI 1740434406 on file in the registry.
Is there an active status for DR. SANDY XINYU ZHANG-NUNES (M.D.)?
For scheduling context, DR. SANDY XINYU ZHANG-NUNES (M.D.) is shown as active in the registry.
What area of care is associated with DR. SANDY XINYU ZHANG-NUNES (M.D.)?
DR. SANDY XINYU ZHANG-NUNES (M.D.)'s record emphasizes Ophthalmic Plastic and Reconstructive Surgery Physician. Clinical services aligned with this taxonomy classification.
What locale is associated with DR. SANDY XINYU ZHANG-NUNES (M.D.)?
Directory geography for DR. SANDY XINYU ZHANG-NUNES (M.D.) centers on Los Angeles, California.
Does inactive status remove historical data?
Historical rows can remain visible after status changes — read the dates carefully.

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