Doctor profile · Federal record

Dr. Bertrand Tuan, M.D.

Specialist (CMS: Hematology/Oncology) · San Francisco, CA

  • NPI 1578632980
  • Accepts Medicare
  • MIPS 95.7 / 100 · 2023
  • 41 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2100 Webster St Ste 225
San Francisco, CA 941152376
(415) 923-3012

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
174400000X — NUCC code
State license (1)
California #G78339
Medicaid
CA #YYY49266Y

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578632980. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
47,123
Distinct HCPCS
10
Medicare allowed
$818,764
HCPCS Description Services Patients Avg allowed
J0881 Injection, darbepoetin alfa, 1 microgram (non-esrd use) 16,401 46 $3
Q0138 Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) 12,240 15 $0
J9144 Injection, daratumumab, 10 mg and hyaluronidase-fihj 5,777 13 $48
J0897 Injection, denosumab, 1 mg 4,283 23 $23
J1100 Injection, dexamethasone sodium phosphate, 1 mg 1,435 49 $0
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 958 261 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 805 389 $147
Q5119 Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mg 699 12 $26
J2469 Injection, palonosetron hcl, 25 mcg 690 38 $1
Q5118 Injection, bevacizumab-bvzr, biosimilar, (zirabev), 10 mg 515 12 $26

In context: peer comparison

Among 10 peers in San Francisco Specialist, average services per provider: 612. This provider delivers 77× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,051
Transactions
49
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Takeda Pharmaceuticals U.S.A., INC. 6 $211.52
Abbvie INC. 7 $136.10
Pfizer INC. 6 $132.30
Merck Sharp & Dohme LLC 3 $96.77
GlaxoSmithKline, LLC. 3 $89.26
Novartis Pharmaceuticals Corporation 4 $83.54
Ipsen Biopharmaceuticals, INC 2 $79.50
Coherus Biosciences INC. 2 $68.08
Exelixis INC. 2 $66.93
Astellas Pharma US INC 3 $66.00
AstraZeneca Pharmaceuticals Lp 2 $65.35
E.R. Squibb & Sons, L.L.C. 3 $63.52
Blueprint Medicines Corporation 2 $60.72
Lilly USA, LLC 2 $57.90
Genzyme Corporation 2 $51.73

By nature of payment

Food and Beverage
$2,038
Education
$13

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,121
Patients
113
Total drug cost
$5,557,026
Drug Type Claims Patients Total cost
Aranesp (Darbepoetin Alfa in Polysorbat) Brand 165 31 $358,419
Hydroxyurea Generic 142 28 $3,173
Eliquis (Apixaban) Brand 127 24 $88,682
Acyclovir Generic 86 15 $1,792
Nplate (Romiplostim) Brand 79 0 $414,349
Calquence (Acalabrutinib Maleate) Brand 77 0 $1,142,344
Reblozyl (Luspatercept-Aamt) Brand 64 0 $1,096,609
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 54 0 $209
Imatinib Mesylate Generic 53 0 $79,217
Zirabev (Bevacizumab-Bvzr) Brand 52 0 $207,758

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Bertrand Tuan's medical specialty?
Dr. Bertrand Tuan practices Specialist in San Francisco, CA.
Where does Dr. Bertrand Tuan practice?
Dr. Bertrand Tuan practices at 2100 Webster St Ste 225, San Francisco, CA 941152376. Office phone: 4159233012.
What is Dr. Bertrand Tuan's NPI?
Dr. Bertrand Tuan's National Provider Identifier (NPI) is 1578632980, issued by NPPES.
Does Dr. Bertrand Tuan accept Medicare assignment?
Yes. Dr. Bertrand Tuan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Bertrand Tuan commonly perform?
Top Medicare-reported procedures in 2023: Injection, darbepoetin alfa, 1 microgram (non-esrd use) (HCPCS J0881); Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) (HCPCS Q0138); Injection, daratumumab, 10 mg and hyaluronidase-fihj (HCPCS J9144). Source: CMS Medicare Physician & Other Practitioners file.