Doctor profile · Federal record

Dr. Stephen Kaiser, M.D.

Psychiatry Physician (CMS: Psychiatry) · La Mesa, CA

  • NPI 1245677624
  • Accepts Medicare
  • 13 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5555 Grossmont Center Dr
La Mesa, CA 919423019
(619) 356-3216
Mailing address
P.O. Box 1770
La Mesa, CA 919441770

Credentials & registration

NPPES · NUCC
NPI registered
May 2013 — 13 yrs on file
Profile last updated
July 9, 2017
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State license (1)
California #A134560

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245677624. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,321
Distinct HCPCS
4
Medicare allowed
$138,237
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 786 150 $82
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 363 112 $123
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 137 131 $179
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 35 34 $134

In context: peer comparison

Among 5 peers in this city , average services per provider: 296. This provider delivers 4.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
94
Patients
0
Total drug cost
$4,574
Drug Type Claims Patients Total cost
Trazodone Hcl Generic 35 0 $705
Lithium Carbonate Generic 18 0 $120
Chlorpromazine Hcl Generic 16 0 $3,143
Venlafaxine Hcl Er (Venlafaxine Hcl) Brand 13 0 $360
Quetiapine Fumarate Generic 12 0 $246

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Kaiser's medical specialty?
Dr. Stephen Kaiser practices Psychiatry Physician in La Mesa, CA.
Where does Dr. Stephen Kaiser practice?
Dr. Stephen Kaiser practices at 5555 Grossmont Center Dr, La Mesa, CA 919423019. Office phone: 6193563216.
What is Dr. Stephen Kaiser's NPI?
Dr. Stephen Kaiser's National Provider Identifier (NPI) is 1245677624, issued by NPPES.
Does Dr. Stephen Kaiser accept Medicare assignment?
Yes. Dr. Stephen Kaiser accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Kaiser commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.