Doctor profile · Federal record

Dr. Darren Teshima

Hospitalist Physician (CMS: Hospitalist) · San Diego, CA

  • NPI 1659696128
  • Accepts Medicare
  • 16 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4077 Fifth Ave
San Diego, CA 921032105
(619) 260-7220
Mailing address
10790 Rancho Bernardo RD
San Diego, CA 921275705

Credentials & registration

NPPES · NUCC
NPI registered
March 2010 — 16 yrs on file
Profile last updated
March 13, 2018
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
California #A119251

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659696128. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
405
Distinct HCPCS
2
Medicare allowed
$49,647
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 352 105 $123
99239 Hospital discharge day management, more than 30 minutes 53 51 $119

In context: peer comparison

Among 58 peers in this city , average services per provider: 101. This provider delivers 4.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
46
Patients
35
Total drug cost
$307
Drug Type Claims Patients Total cost
Metoprolol Tartrate Generic 13 13 $61
Cefuroxime (Cefuroxime Axetil) Brand 11 0 $58
Furosemide Generic 11 11 $44
Pantoprazole Sodium Generic 11 11 $145

Frequently asked questions

Auto-generated from federal data
What is Dr. Darren Teshima's medical specialty?
Dr. Darren Teshima practices Hospitalist Physician in San Diego, CA.
Where does Dr. Darren Teshima practice?
Dr. Darren Teshima practices at 4077 Fifth Ave, San Diego, CA 921032105. Office phone: 6192607220.
What is Dr. Darren Teshima's NPI?
Dr. Darren Teshima's National Provider Identifier (NPI) is 1659696128, issued by NPPES.
Does Dr. Darren Teshima accept Medicare assignment?
Yes. Dr. Darren Teshima accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Darren Teshima commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.