STEVEN YUNG M.D.
NPI 1689636656
Internal Medicine in San Diego, CA
About Steven Yung M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN YUNG M.D. (NPI 1689636656) is an individual internal medicine provider in San Diego, California, licensed in California (G80798) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of Perelman School Of Med At The University Of Pennsylvania (1993).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Steven Yung 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
4Medicare enrollment records show Steven Yung reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 1,598 clinicians in this Medicare group
San Diego, CA 92103
- Reassigned Medicare billing, California enrollment
- 1,100 clinicians in this Medicare group
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 1,437 clinicians in this Medicare group
La Jolla, CA 92037
- Reassigned Medicare billing, California enrollment
- 278 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92103 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.
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
SAN DIEGO, CA 92103
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 Steven Yung's NPI number?
The NPI number for Steven Yung is 1689636656. It was assigned to this individual provider in the NPPES registry on April 5, 2006.
Where is Steven Yung located?
Steven Yung practices at 4077 Fifth Ave, San Diego, CA 92103. The listed phone number is (619) 294-8111.
What is Steven Yung's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Steven Yung enrolled in Medicare?
Yes. Steven Yung 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 Steven Yung's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Yung reassigns Medicare benefits to 4 organizations: Scripps Health (San Diego, CA), Family Health Centers Of San Diego, Inc. (San Diego, CA), Emergency And Acute Care Medical Corporation (San Diego, CA) and Scripps Health Inpatient Providers Medical Group Inc. (La Jolla, 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 Steven Yung'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 Steven Yung was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Steven Yung, M.D. · NPI 1689636656
Internal Medicine physician in San Diego, California. Individual provider, active in the CMS NPPES registry since April 5, 2006.
## Identity
- **NPI:** 1689636656 (Entity type: Individual)
- **Enumerated:** April 5, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** G80798 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 4077 FIFTH AVE, San Diego, CA 92103-2105
- **Phone:** (619) 294-8111
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Scripps Health (NPI 1659359446, San Diego, CA); Family Health Centers Of San Diego, Inc. (NPI 1669827598, San Diego, CA); Emergency And Acute Care Medical Corporation (NPI 1437103942, San Diego, CA); Scripps Health Inpatient Providers Medical Group Inc. (NPI 1699043000, La Jolla, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Perelman School Of Med At The University Of Pennsylvania, class of 1993
## Record status
- **NPPES last updated:** July 13, 2026
- **Other identifiers:** Medicaid 00G807980 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1689636656) · Data from the CMS NPPES public registry.