Doctor profile · Federal record

Dr. Jennifer Sun, M.D.

Family Medicine Physician (CMS: Family Practice) · Claremont, CA

  • NPI 1558352583
  • 25 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
689 W Foothill Blvd, Suite B
Claremont, CA 917113400
(909) 482-2058
fax (909) 482-2082

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
March 7, 2023
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #A85118

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558352583. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
172
Distinct HCPCS
4
Medicare allowed
$27,498
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 76 53 $193
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 46 46 $140
99214 Established patient office or other outpatient visit, 30-39 minutes 35 24 $139
99213 Established patient office or other outpatient visit, 20-29 minutes 15 11 $99

In context: peer comparison

Among 9 peers in Claremont Family Medicine Physician, average services per provider: 63. This provider delivers 2.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,442
Patients
425
Total drug cost
$20,348
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 177 43 $3,151
Atorvastatin Calcium Generic 161 47 $1,885
Lisinopril Generic 148 40 $1,309
Metformin Hcl Generic 136 36 $1,121
Metoprolol Succinate Generic 114 30 $3,459
Amlodipine Besylate Generic 100 35 $836
Hydrochlorothiazide Generic 96 34 $338
Gabapentin Generic 88 26 $1,129
Losartan Potassium Generic 81 24 $1,019
Simvastatin Generic 75 20 $1,146

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jennifer Sun's medical specialty?
Dr. Jennifer Sun practices Family Medicine Physician in Claremont, CA.
Where does Dr. Jennifer Sun practice?
Dr. Jennifer Sun practices at 689 W Foothill Blvd, Claremont, CA 917113400. Office phone: 9094822058.
What is Dr. Jennifer Sun's NPI?
Dr. Jennifer Sun's National Provider Identifier (NPI) is 1558352583, issued by NPPES.
Does Dr. Jennifer Sun accept Medicare assignment?
Dr. Jennifer Sun does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Jennifer Sun commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.