STEVE MING-CHENG SUN M.D.
NPI 1952530537
Emergency Medicine in San Jose, CA
About Steve Ming-cheng Sun M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVE MING-CHENG SUN M.D. (NPI 1952530537) is an individual emergency medicine provider in San Jose, California, licensed in California (A108825) and active in the NPI registry since July 2009. He is enrolled in Medicare PECOS and is a graduate of Rush Medical College Of Rush University (2005).
NPPES Registry Identity
Specialties & Licenses
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
Steve Ming-cheng Sun 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 Steve Sun reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Jose, CA 95124
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1548216260 (California)
- 2,323 clinicians in this Medicare group
Oxnard, CA 93036
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Hemet, CA 92543
- Reassigned Medicare billing, California enrollment
- 255 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 95123 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Steve Sun's NPI number?
The NPI number for Steve Sun is 1952530537. It was assigned to this individual provider in the NPPES registry on July 5, 2009.
Where is Steve Sun located?
Steve Sun practices at 352 La Strada Dr #12, San Jose, CA 95123. The listed phone number is (408) 365-1602.
What is Steve Sun's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Steve Sun enrolled in Medicare?
Yes. Steve Sun 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 Steve Sun's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steve Sun reassigns Medicare benefits to 3 organizations: Cep America - California (San Jose, CA), Southern California Permanente Medical Group (Oxnard, CA) and Seven Star Hospital Associates Inc. (Hemet, 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 Steve Sun'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 Steve Sun was last updated on June 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Steve Ming-Cheng Sun, M.D. · NPI 1952530537
Emergency Medicine physician in San Jose, California. Individual provider, active in the CMS NPPES registry since July 5, 2009.
## Identity
- **NPI:** 1952530537 (Entity type: Individual)
- **Enumerated:** July 5, 2009
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A108825 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 352 LA STRADA DR, #12, San Jose, CA 95123-1001
- **Phone:** (408) 365-1602
## 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): Cep America - California (NPI 1881632149, San Jose, CA); Southern California Permanente Medical Group (NPI 1275756652, Oxnard, CA); Seven Star Hospital Associates Inc. (NPI 1407459506, Hemet, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Rush Medical College Of Rush University, class of 2005
## Record status
- **NPPES last updated:** June 27, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1952530537) · Data from the CMS NPPES public registry.