Doctor profile · Federal record

Dr. William Huen

Internal Medicine Physician · San Francisco, CA

  • NPI 1588863237
  • MIPS 85.5 / 100 · 2023
  • 19 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
San Francisco General Hospital, 1001 Potrero Ave, Clinic 1M3
San Francisco, CA 94110
(415) 206-8494

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A98729

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588863237. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
149
Distinct HCPCS
5
Medicare allowed
$18,200
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 59 21 $90
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 56 19 $135
99239 Hospital discharge day management, more than 30 minutes 12 12 $132
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 11 11 $147
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 11 11 $197

In context: peer comparison

Among 236 peers in this city , average services per provider: 93. This provider delivers 1.6× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. William Huen's medical specialty?
Dr. William Huen practices Internal Medicine Physician in San Francisco, CA.
Where does Dr. William Huen practice?
Dr. William Huen practices at San Francisco General Hospital, San Francisco, CA 94110. Office phone: 4152068494.
What is Dr. William Huen's NPI?
Dr. William Huen's National Provider Identifier (NPI) is 1588863237, issued by NPPES.
What procedures does Dr. William Huen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.