Doctor profile · Federal record
Dr. Michael Zakem, D.O.
Hematology & Oncology Physician · Grand Rapids, MI
- NPI 1316948771
- 21 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
5800 Foremost Dr Se Ste 200
Grand Rapids, MI 495467062
(616) 389-1800
fax (616) 389-1839 - Mailing address
-
5800 Foremost Dr Se Ste 300
Grand Rapids, MI 495467062
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- December 2, 2022
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- Michigan #5101007887
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1316948771. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
35,808
Distinct HCPCS
10
Medicare allowed
$143,157
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J1439 |
Injection, ferric carboxymaltose, 1 mg | 30,750 | 23 | $1 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 732 | 16 | $0 | |
36415 |
Insertion of needle into vein for collection of blood sample | 662 | 163 | $8 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 641 | 163 | $8 | |
88185 |
Flow cytometry technique for dna or cell analysis, each additional marker | 482 | 16 | $22 | |
80053 |
Blood test, comprehensive group of blood chemicals | 385 | 149 | $10 | |
82784 |
Gammaglobulin (immune system protein) measurement | 241 | 44 | $9 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 239 | 133 | $87 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 169 | 87 | $123 | |
82728 |
Ferritin (blood protein) level | 149 | 79 | $13 |
In context: peer comparison
Among 8 peers in Grand Rapids Hematology & Oncology Physician, average services per provider: 718. This provider delivers 50× the peer median.Open Payments
Industry payments received
All-time total
$18
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| GlaxoSmithKline, LLC. | 1 | $18.12 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
484
Patients
59
Total drug cost
$692,510
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydroxyurea | Generic | 214 | 40 | $7,273 |
| Eliquis (Apixaban) | Brand | 109 | 19 | $82,262 |
| Acyclovir | Generic | 38 | 0 | $425 |
| Xarelto (Rivaroxaban) | Brand | 35 | 0 | $26,387 |
| Calquence (Acalabrutinib Maleate) | Brand | 19 | 0 | $273,415 |
| Allopurinol | Generic | 18 | 0 | $186 |
| Folic Acid | Generic | 14 | 0 | $77 |
| Imbruvica (Ibrutinib) | Brand | 13 | 0 | $213,789 |
| Dexamethasone | Generic | 12 | 0 | $227 |
| Inrebic (Fedratinib Dihydrochloride) | Brand | 12 | 0 | $88,469 |
Frequently asked questions
What is Dr. Michael Zakem's medical specialty?
Dr. Michael Zakem practices Hematology & Oncology Physician in Grand Rapids, MI.
Where does Dr. Michael Zakem practice?
Dr. Michael Zakem practices at 5800 Foremost Dr Se Ste 200, Grand Rapids, MI 495467062. Office phone: 6163891800.
What is Dr. Michael Zakem's NPI?
Dr. Michael Zakem's National Provider Identifier (NPI) is 1316948771, issued by NPPES.
What procedures does Dr. Michael Zakem commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.