Doctor profile · Federal record
Dr. John Magenau, M.D.
Hematology (Internal Medicine) Physician (CMS: Hematology) · Internal Medicine Physician · Medical Oncology Physician · Ann Arbor, MI
- NPI 1285833954
- Accepts Medicare
- 22 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1500 E Medical Center Dr
Ann Arbor, MI 481095000
(734) 936-4000 - Mailing address
-
3621 S State St
Ann Arbor, MI 481081633
Credentials & registration
- NPI registered
- July 2007 — 19 yrs on file
- Profile last updated
- November 23, 2020
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207RH0000X — NUCC code
- State license (1)
- Michigan #4301089502
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1285833954. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
177
Distinct HCPCS
2
Medicare allowed
$21,068
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 136 | 18 | $111 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 41 | 16 | $145 |
In context: peer comparison
Among 11 peers in this city , average services per provider: 57. This provider delivers 3.1× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
150
Patients
12
Total drug cost
$434,672
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 35 | 12 | $385 |
| Jakafi (Ruxolitinib Phosphate) | Brand | 31 | 0 | $432,107 |
| Hydrocortisone | Generic | 20 | 0 | $652 |
| Acyclovir | Generic | 18 | 0 | $195 |
| Fluconazole | Generic | 17 | 0 | $721 |
| Omeprazole | Generic | 17 | 0 | $349 |
| Azithromycin | Generic | 12 | 0 | $263 |
Hospital affiliations
Frequently asked questions
What is Dr. John Magenau's medical specialty?
Dr. John Magenau practices Hematology (Internal Medicine) Physician in Ann Arbor, MI.
Where does Dr. John Magenau practice?
Dr. John Magenau practices at 1500 E Medical Center Dr, Ann Arbor, MI 481095000. Office phone: 7349364000.
What is Dr. John Magenau's NPI?
Dr. John Magenau's National Provider Identifier (NPI) is 1285833954, issued by NPPES.
Does Dr. John Magenau accept Medicare assignment?
Yes. Dr. John Magenau accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Magenau commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.