Doctor profile · Federal record

Dr. Valiant Tan, MD

Specialist (CMS: Hematology/Oncology) · Chesapeake, VA

  • NPI 1154326718
  • Accepts Medicare
  • MIPS 76.0 / 100 · 2023
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
725 Volvo Pkwy, Suite 200
Chesapeake, VA 233201602
(757) 549-4403
fax (757) 549-4332
Mailing address
5900 Lake Wright Dr, Suite 300
Norfolk, VA 235021871

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
April 14, 2011
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
174400000X — NUCC code
State license (1)
Virginia #0101058223
Medicaid
VA #005816157

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154326718. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
124,655
Distinct HCPCS
10
Medicare allowed
$2,421,624
HCPCS Description Services Patients Avg allowed
J9271 Injection, pembrolizumab, 1 mg 23,600 23 $54
J0881 Injection, darbepoetin alfa, 1 microgram (non-esrd use) 21,360 28 $3
J9299 Injection, nivolumab, 1 mg 16,600 12 $30
J9263 Injection, oxaliplatin, 0.5 mg 16,240 11 $0
J0185 Injection, aprepitant, 1 mg 13,130 23 $2
J1453 Injection, fosaprepitant, 1 mg 5,100 15 $0
J9267 Injection, paclitaxel, 1 mg 5,058 15 $0
J0897 Injection, denosumab, 1 mg 4,860 24 $23
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 3,054 1,043 $8
J1100 Injection, dexamethasone sodium phosphate, 1 mg 2,222 66 $0

In context: peer comparison

Among 4 peers in this city , average services per provider: 1,416. This provider delivers 88× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$770
Transactions
8
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 5 $498.50
GENZYME CORPORATION 1 $120.28
Rigel Pharmaceuticals, Inc. 1 $119.42
ABBVIE INC. 1 $31.36

By nature of payment

Long term medical supply or device loan
$499
Food and Beverage
$271

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
559
Patients
174
Total drug cost
$585,285
Drug Type Claims Patients Total cost
Anastrozole Generic 74 25 $2,216
Tamoxifen Citrate Generic 65 18 $2,927
Ondansetron Hcl Generic 52 33 $717
Furosemide Generic 35 11 $249
Hydroxyurea Generic 35 11 $1,114
Alendronate Sodium Generic 34 0 $258
Gabapentin Generic 32 16 $324
Prednisone Generic 31 11 $407
Revlimid (Lenalidomide) Brand 31 0 $555,528
Dexamethasone Generic 30 11 $489

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Valiant Tan's medical specialty?
Dr. Valiant Tan practices Specialist in Chesapeake, VA.
Where does Dr. Valiant Tan practice?
Dr. Valiant Tan practices at 725 Volvo Pkwy, Chesapeake, VA 233201602. Office phone: 7575494403.
What is Dr. Valiant Tan's NPI?
Dr. Valiant Tan's National Provider Identifier (NPI) is 1154326718, issued by NPPES.
Does Dr. Valiant Tan accept Medicare assignment?
Yes. Dr. Valiant Tan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Valiant Tan commonly perform?
Top Medicare-reported procedures in 2023: Injection, pembrolizumab, 1 mg (HCPCS J9271); Injection, darbepoetin alfa, 1 microgram (non-esrd use) (HCPCS J0881); Injection, nivolumab, 1 mg (HCPCS J9299). Source: CMS Medicare Physician & Other Practitioners file.