Doctor profile · Federal record

Dr. Kaiwen Sun

Student in an Organized Health Care Education/Training Program · San Francisco, CA

  • NPI 1255891479
  • 7 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2425 Geary Blvd
San Francisco, CA 941153358
(415) 212-3406

Credentials & registration

NPPES · NUCC
NPI registered
March 2019 — 7 yrs on file
Profile last updated
February 10, 2025
Specialty taxonomy
390200000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1255891479. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
82
Distinct HCPCS
3
Medicare allowed
$11,417
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 45 21 $132
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 21 21 $193
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 16 12 $88

In context: peer comparison

Among 52 peers in this city , average services per provider: 58. This provider delivers 1.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
26
Patients
11
Total drug cost
$249
Drug Type Claims Patients Total cost
Spironolactone Generic 15 11 $115
Metoprolol Succinate Generic 11 0 $134

Frequently asked questions

Auto-generated from federal data
What is Dr. Kaiwen Sun's medical specialty?
Dr. Kaiwen Sun practices Student in an Organized Health Care Education/Training Program in San Francisco, CA.
Where does Dr. Kaiwen Sun practice?
Dr. Kaiwen Sun practices at 2425 Geary Blvd, San Francisco, CA 941153358. Office phone: 4152123406.
What is Dr. Kaiwen Sun's NPI?
Dr. Kaiwen Sun's National Provider Identifier (NPI) is 1255891479, issued by NPPES.
What procedures does Dr. Kaiwen Sun commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.