Doctor profile · Federal record

Dr. John Tso, M.D.

Family Medicine Physician (CMS: Family Practice) · San Jose, CA

  • NPI 1811160377
  • Accepts Medicare
  • 46 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1870 Lundy Ave
San Jose, CA 951311826
(408) 573-9686
Mailing address
1520 Stockton St
San Francisco, CA 941333354

Credentials & registration

NPPES · NUCC
NPI registered
April 2008 — 18 yrs on file
Profile last updated
January 17, 2017
Year of graduation
1980 — 46 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
California #A103220

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811160377. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,050
Distinct HCPCS
10
Medicare allowed
$28,482
HCPCS Description Services Patients Avg allowed
80053 Blood test, comprehensive group of blood chemicals 437 249 $10
36415 Insertion of needle into vein for collection of blood sample 413 243 $6
81001 Manual urinalysis test with examination using microscope, automated 373 229 $3
80061 Blood test, lipids (cholesterol and triglycerides) 320 193 $13
84443 Blood test, thyroid stimulating hormone (tsh) 263 190 $16
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test 240 191 $6
82043 Urine microalbumin (protein) level 154 84 $6
82570 Creatinine level to test for kidney function or muscle injury 154 84 $5
83036 Hemoglobin a1c level 146 87 $10
86803 Hepatitis c antibody measurement 114 114 $14

In context: peer comparison

Among 39 peers in this city , average services per provider: 79. This provider delivers 39× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,157
Patients
1,372
Total drug cost
$86,554
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 770 232 $11,056
Atorvastatin Calcium Generic 651 196 $14,373
Losartan Potassium Generic 339 107 $8,006
Alendronate Sodium Generic 291 89 $5,042
Metformin Hcl Er (Metformin Hcl) Brand 236 66 $5,072
Metoprolol Succinate Generic 235 73 $5,463
Diclofenac Sodium Generic 230 112 $4,866
Tamsulosin Hcl Generic 228 74 $6,132
Triamcinolone Acetonide Generic 210 102 $2,696
Rosuvastatin Calcium Generic 188 65 $7,287

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Tso's medical specialty?
Dr. John Tso practices Family Medicine Physician in San Jose, CA.
Where does Dr. John Tso practice?
Dr. John Tso practices at 1870 Lundy Ave, San Jose, CA 951311826. Office phone: 4085739686.
What is Dr. John Tso's NPI?
Dr. John Tso's National Provider Identifier (NPI) is 1811160377, issued by NPPES.
Does Dr. John Tso accept Medicare assignment?
Yes. Dr. John Tso accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Tso commonly perform?
Top Medicare-reported procedures in 2023: Blood test, comprehensive group of blood chemicals (HCPCS 80053); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Manual urinalysis test with examination using microscope, automated (HCPCS 81001). Source: CMS Medicare Physician & Other Practitioners file.