Doctor profile · Federal record

Dr. Qi Quan Leong, M.D.

Infectious Disease Physician (CMS: Infectious Disease) · Infectious Disease Physician · San Francisco, CA

  • NPI 1457761082
  • Accepts Medicare
  • 12 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2250 Hayes St Ste 302
San Francisco, CA 941171078
(415) 379-2900
fax (415) 666-3144
Mailing address
3400 Data Dr
Rancho Cordova, CA 956707956

Credentials & registration

NPPES · NUCC
NPI registered
May 2014 — 12 yrs on file
Profile last updated
September 8, 2023
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State licenses (2)
California #A184705 · Pennsylvania #MD466499

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457761082. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
390
Distinct HCPCS
5
Medicare allowed
$42,296
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 244 86 $87
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 75 71 $140
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 36 35 $192
99213 Established patient office or other outpatient visit, 20-29 minutes 23 20 $96
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 12 11 $132

In context: peer comparison

Among 19 peers in San Francisco Infectious Disease Physician, average services per provider: 69. This provider delivers 5.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$198
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
ViiV Healthcare Company 3 $176.88
La Jolla Pharmaceutical Company 1 $20.81

By nature of payment

Food and Beverage
$198

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
239
Patients
12
Total drug cost
$744,930
Drug Type Claims Patients Total cost
Biktarvy (Bictegrav/Emtricit/Tenofov Ala) Brand 61 12 $248,771
Odefsey (Emtricitab/Rilpiviri/Tenof Ala) Brand 39 0 $144,632
Dovato (Dolutegravir Sodium/Lamivudine) Brand 36 0 $107,726
Tivicay (Dolutegravir Sodium) Brand 29 0 $89,781
Genvoya (Elviteg/Cob/Emtri/Tenof Alafen) Brand 28 0 $118,234
Efavirenz-Emtric-Tenofov Disop (Efavirenz/Emtricit/Tenofovr Df) Brand 21 0 $14,509
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 14 0 $335
Selzentry (Maraviroc) Brand 11 0 $20,941

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Qi Quan Leong's medical specialty?
Dr. Qi Quan Leong practices Infectious Disease Physician in San Francisco, CA.
Where does Dr. Qi Quan Leong practice?
Dr. Qi Quan Leong practices at 2250 Hayes St Ste 302, San Francisco, CA 941171078. Office phone: 4153792900.
What is Dr. Qi Quan Leong's NPI?
Dr. Qi Quan Leong's National Provider Identifier (NPI) is 1457761082, issued by NPPES.
Does Dr. Qi Quan Leong accept Medicare assignment?
Yes. Dr. Qi Quan Leong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Qi Quan Leong commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.