SUNYE KWACK VUONG M.D.
NPI 1154357556
Internal Medicine - Pulmonary Disease in San Leandro, CA
About Sunye Kwack Vuong M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SUNYE KWACK VUONG M.D. (NPI 1154357556) is an individual pulmonary disease provider in San Leandro, California, licensed in California (A68036) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS and is a graduate of University Of Michigan Medical School (1996).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Other Identifiers 3
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
Sunye Kwack Vuong M.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.
Medicare Billing Reassignments
3Medicare enrollment records show Sunye Vuong reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Belmont, CA 94002
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: County Of San Mateo
- Also billed through NPI 1831268580 (California)
- 597 clinicians in this Medicare group
Burlingame, CA 94010
- Reassigned Medicare billing, California enrollment
- 131 clinicians in this Medicare group
San Francisco, CA 94109
- Reassigned Medicare billing, California enrollment
- 962 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.
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94577 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Sunye Vuong's NPI number?
The NPI number for Sunye Vuong is 1154357556. It was assigned to this individual provider in the NPPES registry on June 25, 2006. The provider is also known as Sunye Kwack M.D..
Where is Sunye Vuong located?
Sunye Vuong practices at 2500 Merced St, San Leandro, CA 94577. The listed phone number is (510) 454-1000.
What is Sunye Vuong's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Sunye Vuong enrolled in Medicare?
Yes. Sunye Vuong 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 Sunye Vuong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sunye Vuong reassigns Medicare benefits to 3 organizations: San Mateo County (Belmont, CA), California Emergency Physicians Medical Group, A Professional Corp. (Burlingame, CA) and Galen Inpatient Physicians Inc (San Francisco, CA). 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 Sunye Vuong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Sunye Vuong was last updated on May 26, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Sunye Kwack Vuong, M.D. · NPI 1154357556
Pulmonary Disease physician in San Leandro, California. Individual provider, active in the CMS NPPES registry since June 25, 2006.
## Identity
- **NPI:** 1154357556 (Entity type: Individual)
- **Enumerated:** June 25, 2006
- **Primary specialty:** Internal Medicine - Pulmonary Disease · taxonomy 207RP1001X
- **State license:** A68036 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2500 MERCED ST, San Leandro, CA 94577-4201
- **Phone:** (510) 454-1000
## 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): San Mateo County (NPI 1013103381, Belmont, CA); California Emergency Physicians Medical Group, A Professional Corp. (NPI 1457945909, Burlingame, CA); Galen Inpatient Physicians Inc (NPI 1730313933, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Michigan Medical School, class of 1996
## Record status
- **NPPES last updated:** May 26, 2015
- **Other identifiers:** Medicare ID-Type Unspecified 00A680362; Medicaid 00A680360 (CA); Medicare UPIN G91406
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Source: [NPI Profile](https://npiprofile.com/npi/1154357556) · Data from the CMS NPPES public registry.