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, and ordering and referring status from the CMS PECOS system.
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.
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
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.
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 31 days 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
- **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.