Doctor profile · Federal record
Dr. Benjamin Tan, MD
Medical Oncology Physician (CMS: Medical Oncology) · Saint Louis, MO
- NPI 1275551814
- Accepts Medicare
- MIPS 79.3 / 100 · 2023
- 36 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4921 Parkview Pl, Div Im Medical Oncology, Ste 7A, 7B, 7C
Saint Louis, MO 631101032
(800) 647-2098
fax (314) 362-3192 - Mailing address
-
Po Box 7412011
Chicago, IL 606742011
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- April 17, 2025
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207RX0202X — NUCC code
- State license (1)
- Missouri #105968
- Medicaid
- MO #203770409
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1275551814. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
93,361
Distinct HCPCS
10
Medicare allowed
$1,583,072
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J9299 |
Injection, nivolumab, 1 mg | 21,040 | 20 | $30 | |
J1453 |
Injection, fosaprepitant, 1 mg | 17,250 | 46 | $0 | |
J9263 |
Injection, oxaliplatin, 0.5 mg | 11,600 | 18 | $0 | |
J1439 |
Injection, ferric carboxymaltose, 1 mg | 9,000 | 11 | $1 | |
J9271 |
Injection, pembrolizumab, 1 mg | 9,000 | 22 | $54 | |
J9025 |
Injection, azacitidine, 1 mg | 5,900 | 12 | $0 | |
J0897 |
Injection, denosumab, 1 mg | 4,740 | 33 | $23 | |
J9171 |
Injection, docetaxel, 1 mg | 3,258 | 18 | $1 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 2,360 | 95 | $0 | |
J1561 |
Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mg | 1,430 | 11 | $48 |
In context: peer comparison
Among 44 peers in Saint Louis Medical Oncology Physician, average services per provider: 919. This provider delivers 102× the peer median.Open Payments
Industry payments received
All-time total
$110
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Boston Scientific Corporation | 1 | $110.24 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
432
Patients
128
Total drug cost
$130,834
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prochlorperazine Maleate | Generic | 66 | 41 | $1,547 |
| Ondansetron Hcl | Generic | 55 | 42 | $735 |
| Gabapentin | Generic | 45 | 0 | $734 |
| Levothyroxine Sodium | Generic | 41 | 0 | $278 |
| Eliquis (Apixaban) | Brand | 32 | 0 | $23,064 |
| Enoxaparin Sodium | Generic | 29 | 0 | $10,956 |
| Vitamin D2 (Ergocalciferol (Vitamin D2)) | Brand | 26 | 0 | $261 |
| Imatinib Mesylate | Generic | 21 | 0 | $82,682 |
| Lidocaine-Prilocaine (Lidocaine/Prilocaine) | Brand | 21 | 19 | $415 |
| Dexamethasone | Generic | 19 | 12 | $579 |
Hospital affiliations
Frequently asked questions
What is Dr. Benjamin Tan's medical specialty?
Dr. Benjamin Tan practices Medical Oncology Physician in Saint Louis, MO.
Where does Dr. Benjamin Tan practice?
Dr. Benjamin Tan practices at 4921 Parkview Pl, Saint Louis, MO 631101032. Office phone: 8006472098.
What is Dr. Benjamin Tan's NPI?
Dr. Benjamin Tan's National Provider Identifier (NPI) is 1275551814, issued by NPPES.
Does Dr. Benjamin Tan accept Medicare assignment?
Yes. Dr. Benjamin Tan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Benjamin Tan commonly perform?
Top Medicare-reported procedures in 2023: Injection, nivolumab, 1 mg (HCPCS J9299); Injection, fosaprepitant, 1 mg (HCPCS J1453); Injection, oxaliplatin, 0.5 mg (HCPCS J9263). Source: CMS Medicare Physician & Other Practitioners file.