Doctor profile · Federal record
Dr. Joseph Merchant, M.D.
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Ames, IA
- NPI 1699765826
- Accepts Medicare
- 33 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1111 Duff Ave
Ames, IA 500105793
(515) 239-4401
fax (515) 239-4791
Credentials & registration
- NPI registered
- October 2005 — 21 yrs on file
- Profile last updated
- November 16, 2020
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- Iowa #31094
- Medicaid
- IA #1137380
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1699765826. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
136,547
Distinct HCPCS
10
Medicare allowed
$2,221,287
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J1439 |
Injection, ferric carboxymaltose, 1 mg | 41,250 | 35 | $1 | |
J0881 |
Injection, darbepoetin alfa, 1 microgram (non-esrd use) | 20,620 | 15 | $3 | |
J9271 |
Injection, pembrolizumab, 1 mg | 20,600 | 23 | $54 | |
J1453 |
Injection, fosaprepitant, 1 mg | 10,650 | 27 | $0 | |
J0897 |
Injection, denosumab, 1 mg | 10,140 | 45 | $23 | |
J1756 |
Injection, iron sucrose, 1 mg | 5,900 | 14 | $0 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 3,630 | 83 | $0 | |
J1561 |
Injection, immune globulin, (gamunex-c/gammaked), non-lyophilized (e.g., liquid), 500 mg | 3,150 | 15 | $48 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 1,992 | 601 | $8 | |
36415 |
Insertion of needle into vein for collection of blood sample | 1,787 | 606 | $8 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 1,464. This provider delivers 93× the peer median.Open Payments
Industry payments received
All-time total
$15
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Aveo Pharmaceuticals, Inc. | 1 | $15.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,209
Patients
557
Total drug cost
$163,406
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Anastrozole | Generic | 228 | 52 | $4,715 |
| Potassium Chloride | Generic | 220 | 57 | $7,108 |
| Acyclovir | Generic | 215 | 45 | $4,161 |
| Prednisone | Generic | 202 | 59 | $1,358 |
| Eliquis (Apixaban) | Brand | 199 | 35 | $131,662 |
| Levothyroxine Sodium | Generic | 159 | 32 | $1,496 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 146 | 41 | $923 |
| Omeprazole | Generic | 130 | 32 | $1,549 |
| Letrozole | Generic | 123 | 27 | $1,802 |
| Prochlorperazine Maleate | Generic | 119 | 66 | $805 |
Hospital affiliations
Frequently asked questions
What is Dr. Joseph Merchant's medical specialty?
Dr. Joseph Merchant practices Hematology & Oncology Physician in Ames, IA.
Where does Dr. Joseph Merchant practice?
Dr. Joseph Merchant practices at 1111 Duff Ave, Ames, IA 500105793. Office phone: 5152394401.
What is Dr. Joseph Merchant's NPI?
Dr. Joseph Merchant's National Provider Identifier (NPI) is 1699765826, issued by NPPES.
Does Dr. Joseph Merchant accept Medicare assignment?
Yes. Dr. Joseph Merchant accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Merchant commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Injection, darbepoetin alfa, 1 microgram (non-esrd use) (HCPCS J0881); Injection, pembrolizumab, 1 mg (HCPCS J9271). Source: CMS Medicare Physician & Other Practitioners file.