SUNNIE YAN-WAI WONG MD, PHD
NPI 1578024550
Student in an Organized Health Care Education/Training Program in Stanford, CA
About Sunnie Yan-wai Wong Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SUNNIE YAN-WAI WONG MD, PHD (NPI 1578024550) is an individual student in an organized health care education/training program in Stanford, California and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, is affiliated with Eskenazi Health, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Accepted 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
Sunnie Yan-wai Wong Md, Phd 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.
Medicare Billing Reassignments
3Medicare enrollment records show Sunnie Wong reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 199 clinicians in this Medicare group
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 93 clinicians in this Medicare group
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 5,212 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Eskenazi Health
Acute Care Hospitals · Indianapolis, INOther Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
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 Sunnie Wong's NPI number?
The NPI number for Sunnie Wong is 1578024550. It was assigned to this individual provider in the NPPES registry on March 30, 2019.
Where is Sunnie Wong located?
Sunnie Wong practices at 300 Pasteur Dr Rm H3680, Stanford, CA 94305. The listed phone number is (650) 725-2181.
What is Sunnie Wong's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Sunnie Wong enrolled in Medicare?
Yes. Sunnie Wong 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 Sunnie Wong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sunnie Wong reassigns Medicare benefits to 3 organizations: University Surgeons, Inc. (Indianapolis, IN), Cardiothoracic Surgeons Inc. (Indianapolis, IN) and Iu Health Medical Group, LLC (Indianapolis, IN). 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 Sunnie Wong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sunnie Wong accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 2 other insurers list Sunnie Wong 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.
Is Sunnie Wong affiliated with any hospitals?
According to CMS data, Sunnie Wong is affiliated with Eskenazi Health.
When was this NPI record last updated?
The NPPES record for Sunnie Wong was last updated on November 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Sunnie Yan-Wai Wong, MD, PHD · NPI 1578024550
Student in an Organized Health Care Education/Training Program provider in Stanford, California. Individual provider, active in the CMS NPPES registry since March 30, 2019.
## Identity
- **NPI:** 1578024550 (Entity type: Individual)
- **Enumerated:** March 30, 2019
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **Sole proprietor:** No
## Practice location
- **Address:** 300 PASTEUR DR RM H3680, Stanford, CA 94305-2200
- **Phone:** (650) 725-2181 · **Fax:** (650) 721-1663
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): University Surgeons, Inc. (NPI 1316966229, Indianapolis, IN); Cardiothoracic Surgeons Inc. (NPI 1770796096, Indianapolis, IN); Iu Health Medical Group, LLC (NPI 1326893777, Indianapolis, IN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** November 6, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1578024550) · Data from the CMS NPPES public registry.