DR. QI QUAN LEONG M.D.
NPI 1457761082
Internal Medicine - Infectious Disease in San Francisco, CA
About Dr. Qi Quan Leong M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. QI QUAN LEONG M.D. (NPI 1457761082) is an individual infectious disease provider in San Francisco, California, licensed in California (A184705) and active in the NPI registry since May 2014. He is enrolled in Medicare PECOS and is a graduate of Other (2014).
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
Dr. Qi Quan Leong 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 Qi Quan Leong reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94117
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Dignity Health
- 38 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 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 94117 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 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN FRANCISCO, CA 94117
SAN FRANCISCO, CA 94117
SAN FRANCISCO, CA 94117
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 Qi Quan Leong's NPI number?
The NPI number for Qi Quan Leong is 1457761082. It was assigned to this individual provider in the NPPES registry on May 5, 2014.
Where is Qi Quan Leong located?
Qi Quan Leong practices at 2250 Hayes St Ste 302, San Francisco, CA 94117. The listed phone number is (415) 379-2900.
What is Qi Quan Leong's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Qi Quan Leong enrolled in Medicare?
Yes. Qi Quan Leong 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 Qi Quan Leong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Qi Quan Leong reassigns Medicare benefits to 4 organizations: Ucsf Health Community Hospitals (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Regents Of The University Of California (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 Qi Quan Leong'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 Qi Quan Leong was last updated on September 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.
# Dr. Qi Quan Leong, M.D. · NPI 1457761082
Infectious Disease physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since May 5, 2014.
## Identity
- **NPI:** 1457761082 (Entity type: Individual)
- **Enumerated:** May 5, 2014
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** A184705 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2250 HAYES ST STE 302, San Francisco, CA 94117-1078
- **Phone:** (415) 379-2900 · **Fax:** (415) 666-3144
## 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): Ucsf Health Community Hospitals (NPI 1780727792, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); University Of California San Francisco (NPI 1164512851, San Francisco, CA); Regents Of The University Of California (NPI 1376613943, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** September 8, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1457761082) · Data from the CMS NPPES public registry.