Doctor profile · Federal record

Dr. Stephen Shen, M.D.

Adolescent Medicine (Internal Medicine) Physician (CMS: Internal Medicine) · San Diego, CA

  • NPI 1396839726
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8765 Aero Drive, Suite 130
San Diego, CA 92123
(858) 541-0181
fax (858) 430-0919

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207RA0000X — NUCC code
State license (1)
California #A70873

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396839726. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,298
Distinct HCPCS
7
Medicare allowed
$122,182
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 781 279 $81
99239 Hospital discharge day management, more than 30 minutes 162 158 $119
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 144 141 $134
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 108 39 $51
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 52 51 $179
99238 Hospital discharge day management, 30 minutes or less 29 29 $84
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 22 18 $123

In context: peer comparison

Among 1 peers in San Diego Adolescent Medicine (Internal Medicine) Physician, average services per provider: 185. This provider delivers 7.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
245
Patients
232
Total drug cost
$14,662
Drug Type Claims Patients Total cost
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 38 38 $379
Prednisone Generic 28 28 $136
Cephalexin Generic 19 19 $185
Eliquis (Apixaban) Brand 18 16 $12,451
Atorvastatin Calcium Generic 14 14 $105
Bumetanide Generic 14 14 $366
Furosemide Generic 14 14 $46
Levofloxacin Generic 14 14 $87
Tramadol Hcl Generic 14 14 $23
Doxycycline Hyclate Generic 13 13 $132

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Shen's medical specialty?
Dr. Stephen Shen practices Adolescent Medicine (Internal Medicine) Physician in San Diego, CA.
Where does Dr. Stephen Shen practice?
Dr. Stephen Shen practices at 8765 Aero Drive, San Diego, CA 92123. Office phone: 8585410181.
What is Dr. Stephen Shen's NPI?
Dr. Stephen Shen's National Provider Identifier (NPI) is 1396839726, issued by NPPES.
Does Dr. Stephen Shen accept Medicare assignment?
Yes. Dr. Stephen Shen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Shen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.