Doctor profile · Federal record

Dr. JUSTINE SHUM, M.D.

Rheumatology Physician · NOVATO, CA

  • NPI 1730592437
  • 12 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
75 ROWLAND WAY STE 101
NOVATO, CA 949455057
(415) 464-9604

Credentials & registration

NPPES · NUCC
NPI registered
June 2014 — 12 yrs on file
Profile last updated
January 29, 2022
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
California #A163211

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1730592437. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
278
Distinct HCPCS
5
Medicare allowed
$27,272
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 86 68 $103
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 72 14 $1
99214 Established patient office or other outpatient visit, 30-39 minutes 69 46 $144
99204 New patient office or other outpatient visit, 45-59 minutes 34 34 $183
99203 New patient office or other outpatient visit, 30-44 minutes 17 17 $126

In context: peer comparison

Among 1 peers in this city , average services per provider: 55. This provider delivers 5.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
557
Patients
134
Total drug cost
$212,214
Drug Type Claims Patients Total cost
Prednisone Generic 157 47 $2,655
Hydroxychloroquine Sulfate Generic 125 31 $8,034
Celecoxib Generic 61 20 $4,247
Allopurinol Generic 57 15 $844
Methotrexate (Methotrexate Sodium) Brand 48 21 $2,891
Azathioprine Generic 20 0 $856
Folic Acid Generic 19 0 $90
Duloxetine Hcl Generic 17 0 $486
Gabapentin Generic 15 0 $484
Alendronate Sodium Generic 14 0 $321