Doctor profile · Federal record

Dr. Aloyisus Tsang, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Burbank, CA

  • NPI 1891856340
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4323 W Riverside Dr
Burbank, CA 915054044
(818) 556-2700
Mailing address
23388 Mulholland Dr
Woodland Hills, CA 913642733

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #G80123

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891856340. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,929
Distinct HCPCS
10
Medicare allowed
$217,472
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 728 409 $124
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test 272 226 $6
80053 Blood test, comprehensive group of blood chemicals 265 209 $10
83036 Hemoglobin a1c level 246 201 $9
G0446 Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes 208 208 $28
36415 Insertion of needle into vein for collection of blood sample 205 163 $8
G0442 Annual alcohol misuse screening, 5 to 15 minutes 198 198 $21
99213 Established patient office or other outpatient visit, 20-29 minutes 197 166 $88
G0447 Face-to-face behavioral counseling for obesity, 15 minutes 141 77 $28
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 129 129 $103

In context: peer comparison

Among 26 peers in this city , average services per provider: 114. This provider delivers 34× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,495
Patients
936
Total drug cost
$54,468
Drug Type Claims Patients Total cost
Rosuvastatin Calcium Generic 413 143 $16,963
Atorvastatin Calcium Generic 275 91 $4,067
Amlodipine Besylate Generic 254 94 $2,508
Levothyroxine Sodium Generic 217 71 $4,230
Fluticasone Propionate Generic 165 107 $2,952
Escitalopram Oxalate Generic 154 42 $2,757
Metformin Hcl Generic 150 53 $2,212
Telmisartan Generic 148 57 $7,297
Trazodone Hcl Generic 130 49 $2,309
Omeprazole Generic 119 48 $1,661

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Aloyisus Tsang's medical specialty?
Dr. Aloyisus Tsang practices Internal Medicine Physician in Burbank, CA.
Where does Dr. Aloyisus Tsang practice?
Dr. Aloyisus Tsang practices at 4323 W Riverside Dr, Burbank, CA 915054044. Office phone: 8185562700.
What is Dr. Aloyisus Tsang's NPI?
Dr. Aloyisus Tsang's National Provider Identifier (NPI) is 1891856340, issued by NPPES.
Does Dr. Aloyisus Tsang accept Medicare assignment?
Yes. Dr. Aloyisus Tsang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aloyisus Tsang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Complete blood cell count (red cells, white blood cell, platelets), automated test (HCPCS 85027); Blood test, comprehensive group of blood chemicals (HCPCS 80053). Source: CMS Medicare Physician & Other Practitioners file.