Doctor profile · Federal record

Dr. Yi Guan

Hospitalist Physician (CMS: Hospitalist) · Loma Linda, CA

  • NPI 1366634156
  • Accepts Medicare
  • 34 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11234 Anderson St, Llumc, House Staff Office Cp 21005
Loma Linda, CA 923542804
(909) 558-8131

Credentials & registration

NPPES · NUCC
NPI registered
August 2007 — 19 yrs on file
Profile last updated
March 3, 2025
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #A102084

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366634156. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
33
Distinct HCPCS
1
Medicare allowed
$2,744
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 33 11 $83

In context: peer comparison

Among 10 peers in this city , average services per provider: 207. This provider delivers 0.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
47
Patients
35
Total drug cost
$546
Drug Type Claims Patients Total cost
Furosemide Generic 23 12 $226
Ciprofloxacin Hcl Generic 13 12 $96
Cefpodoxime Proxetil Generic 11 11 $225

Frequently asked questions

Auto-generated from federal data
What is Dr. Yi Guan's medical specialty?
Dr. Yi Guan practices Hospitalist Physician in Loma Linda, CA.
Where does Dr. Yi Guan practice?
Dr. Yi Guan practices at 11234 Anderson St, Loma Linda, CA 923542804. Office phone: 9095588131.
What is Dr. Yi Guan's NPI?
Dr. Yi Guan's National Provider Identifier (NPI) is 1366634156, issued by NPPES.
Does Dr. Yi Guan accept Medicare assignment?
Yes. Dr. Yi Guan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Yi Guan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.