LILY HSIN-CHUN SUNG MD
NPI 1144780370
Internal Medicine - Rheumatology in Stanford, CA
About Lily Hsin-chun Sung Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LILY HSIN-CHUN SUNG MD (NPI 1144780370) is an individual rheumatology provider in Stanford, California, licensed in California (A194353) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, maintains a secondary practice location in Ann Arbor, and is a graduate of R Franklin University Of Med & Sci/chicago Medical School (2019).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Lily Hsin-chun Sung Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Areas of Expertise CMS Part B claims 2
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 94305 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.
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 Lily Sung's NPI number?
The NPI number for Lily Sung is 1144780370. It was assigned to this individual provider in the NPPES registry on March 22, 2019.
Where is Lily Sung located?
Lily Sung practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Lily Sung's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Lily Sung enrolled in Medicare?
Yes. Lily Sung is registered in the Medicare PECOS enrollment system.
What insurance does Lily Sung accept?
Health plans from McLaren Health Plan Community list Lily Sung 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.
When was this NPI record last updated?
The NPPES record for Lily Sung was last updated on July 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 43 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.
# Lily Hsin-Chun Sung, MD · NPI 1144780370
Rheumatology physician in Stanford, California. Individual provider, active in the CMS NPPES registry since March 22, 2019.
## Identity
- **NPI:** 1144780370 (Entity type: Individual)
- **Enumerated:** March 22, 2019
- **Primary specialty:** Internal Medicine - Rheumatology · taxonomy 207RR0500X
- **State license:** A194353 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 PASTEUR DR, Stanford, CA 94305-2200
- **Phone:** (650) 723-4000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** R Franklin University Of Med & Sci/chicago Medical School, class of 2019
## Record status
- **NPPES last updated:** July 1, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1144780370) · Data from the CMS NPPES public registry.