Doctor profile · Federal record

Dr. Jiwu Sun, MD

Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Mountain View, CA

  • NPI 1619104270
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1902 Rock St, Apt A
Mountain View, CA 940432567
(831) 636-5711

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Profile last updated
January 22, 2018
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #A106681

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619104270. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
769
Distinct HCPCS
7
Medicare allowed
$103,637
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 253 96 $90
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 223 209 $187
99239 Hospital discharge day management, more than 30 minutes 115 107 $131
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 71 52 $130
99238 Hospital discharge day management, 30 minutes or less 49 47 $93
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 39 39 $145
99236 Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes 19 19 $237

In context: peer comparison

Among 19 peers in this city , average services per provider: 136. This provider delivers 5.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
781
Patients
310
Total drug cost
$17,466
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 108 45 $2,402
Amlodipine Besylate Generic 106 50 $2,100
Lisinopril Generic 101 42 $1,749
Metformin Hcl Generic 57 28 $984
Furosemide Generic 56 26 $412
Gabapentin Generic 48 22 $1,862
Pantoprazole Sodium Generic 45 12 $1,665
Hydrochlorothiazide Generic 42 14 $222
Simvastatin Generic 41 14 $692
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 33 16 $1,254

Frequently asked questions

Auto-generated from federal data
What is Dr. Jiwu Sun's medical specialty?
Dr. Jiwu Sun practices Hospitalist Physician in Mountain View, CA.
Where does Dr. Jiwu Sun practice?
Dr. Jiwu Sun practices at 1902 Rock St, Mountain View, CA 940432567. Office phone: 8316365711.
What is Dr. Jiwu Sun's NPI?
Dr. Jiwu Sun's National Provider Identifier (NPI) is 1619104270, issued by NPPES.
Does Dr. Jiwu Sun accept Medicare assignment?
Yes. Dr. Jiwu Sun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jiwu Sun commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.