LESLIE SUEN M.D.
NPI 1679937270
Internal Medicine in San Francisco, CA
About Leslie Suen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LESLIE SUEN M.D. (NPI 1679937270) is an individual internal medicine provider in San Francisco, California, licensed in California (A153428) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of University Of California, San Francisco School Of Medicine (2016).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Leslie Suen 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
5Medicare enrollment records show Leslie Suen reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- 119 clinicians in this Medicare group
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1073836060 (California)
- 81 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 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 94110 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.
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 FRANCISCO, CA 94110
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 Leslie Suen's NPI number?
The NPI number for Leslie Suen is 1679937270. It was assigned to this individual provider in the NPPES registry on April 9, 2016.
Where is Leslie Suen located?
Leslie Suen practices at 1001 Potrero Ave Bldg 25, San Francisco, CA 94110. The listed phone number is (628) 206-8000.
What is Leslie Suen's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Leslie Suen enrolled in Medicare?
Yes. Leslie Suen 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 Leslie Suen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leslie Suen reassigns Medicare benefits to 5 organizations: University Of California San Francisco (San Francisco, CA), University Of California Sfgh Medical Group (San Francisco, CA), Regents Of The University Of California (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (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 Leslie Suen'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 Leslie Suen was last updated on May 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.
# Leslie Suen, M.D. · NPI 1679937270
Internal Medicine physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since April 9, 2016.
## Identity
- **NPI:** 1679937270 (Entity type: Individual)
- **Enumerated:** April 9, 2016
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A153428 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1001 POTRERO AVE BLDG 25, San Francisco, CA 94110-3518
- **Phone:** (628) 206-8000
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): University Of California San Francisco (NPI 1467315481, San Francisco, CA); University Of California Sfgh Medical Group (NPI 1386619344, San Francisco, CA); Regents Of The University Of California (NPI 1235322348, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Francisco School Of Medicine, class of 2016
## Record status
- **NPPES last updated:** May 7, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1679937270) · Data from the CMS NPPES public registry.