Doctor profile · Federal record

Dr. Stuart Andersen, M.D.

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

  • NPI 1205270956
  • Accepts Medicare
  • MIPS 93.7 / 100 · 2023
  • 13 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3900 5Th Ave Ste 110
San Diego, CA 921033122
(858) 554-1212
fax (858) 795-1195
Mailing address
9850 Genesee Ave Ste 320
La Jolla, CA 920371208

Credentials & registration

NPPES · NUCC
NPI registered
April 2013 — 13 yrs on file
Profile last updated
October 5, 2022
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A162976

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205270956. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
234
Distinct HCPCS
7
Medicare allowed
$21,033
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 65 48 $114
99213 Established patient office or other outpatient visit, 20-29 minutes 58 52 $78
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 45 20 $114
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 21 15 $75
36415 Insertion of needle into vein for collection of blood sample 20 16 $8
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 14 11 $47
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $145

In context: peer comparison

Among 193 peers in San Diego Internal Medicine Physician, average services per provider: 141. This provider delivers 1.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
655
Patients
232
Total drug cost
$12,395
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 87 31 $770
Atorvastatin Calcium Generic 87 31 $1,477
Levothyroxine Sodium Generic 65 22 $1,338
Omeprazole Generic 46 17 $787
Gabapentin Generic 44 23 $1,327
Losartan Potassium Generic 43 17 $387
Diclofenac Sodium Generic 34 23 $996
Valacyclovir (Valacyclovir Hcl) Brand 33 0 $1,849
Fluticasone Propionate Generic 32 12 $458
Tamsulosin Hcl Generic 32 16 $854

Frequently asked questions

Auto-generated from federal data
What is Dr. Stuart Andersen's medical specialty?
Dr. Stuart Andersen practices Internal Medicine Physician in San Diego, CA.
Where does Dr. Stuart Andersen practice?
Dr. Stuart Andersen practices at 3900 5Th Ave Ste 110, San Diego, CA 921033122. Office phone: 8585541212.
What is Dr. Stuart Andersen's NPI?
Dr. Stuart Andersen's National Provider Identifier (NPI) is 1205270956, issued by NPPES.
Does Dr. Stuart Andersen accept Medicare assignment?
Yes. Dr. Stuart Andersen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stuart Andersen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.