Doctor profile · Federal record
Dr. James Heun, M.D.
Hematology & Oncology Physician (CMS: Medical Oncology) · Platteville, WI
- NPI 1497713697
- Accepts Medicare
- 21 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1400 Eastside RD
Platteville, WI 538189800
(608) 348-2331
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- October 21, 2025
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- Wisconsin #49672-20
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1497713697. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
24,141
Distinct HCPCS
10
Medicare allowed
$957,718
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J9271 |
Injection, pembrolizumab, 1 mg | 13,900 | 13 | $54 | |
J1453 |
Injection, fosaprepitant, 1 mg | 5,250 | 12 | $0 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 1,150 | 31 | $0 | |
J2469 |
Injection, palonosetron hcl, 25 mcg | 910 | 25 | $1 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 309 | 82 | $170 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 297 | 165 | $121 | |
36415 |
Insertion of needle into vein for collection of blood sample | 264 | 72 | $8 | |
96413 |
Administration of chemotherapy into vein, 1 hour or less | 255 | 63 | $125 | |
96375 |
Injection of additional new drug or substance into vein | 240 | 42 | $15 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 233 | 55 | $8 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 832. This provider delivers 29× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
777
Patients
197
Total drug cost
$1,231,570
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 164 | 42 | $897 |
| Abiraterone Acetate | Generic | 104 | 17 | $120,262 |
| Anastrozole | Generic | 68 | 22 | $1,719 |
| Revlimid (Lenalidomide) | Brand | 51 | 0 | $1,069,656 |
| Omeprazole | Generic | 45 | 15 | $669 |
| Prochlorperazine Maleate | Generic | 45 | 22 | $623 |
| Eliquis (Apixaban) | Brand | 43 | 11 | $31,694 |
| Ondansetron Hcl | Generic | 36 | 27 | $298 |
| Dexamethasone | Generic | 34 | 13 | $677 |
| Gabapentin | Generic | 33 | 0 | $419 |
Hospital affiliations
Frequently asked questions
What is Dr. James Heun's medical specialty?
Dr. James Heun practices Hematology & Oncology Physician in Platteville, WI.
Where does Dr. James Heun practice?
Dr. James Heun practices at 1400 Eastside RD, Platteville, WI 538189800. Office phone: 6083482331.
What is Dr. James Heun's NPI?
Dr. James Heun's National Provider Identifier (NPI) is 1497713697, issued by NPPES.
Does Dr. James Heun accept Medicare assignment?
Yes. Dr. James Heun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Heun commonly perform?
Top Medicare-reported procedures in 2023: Injection, pembrolizumab, 1 mg (HCPCS J9271); Injection, fosaprepitant, 1 mg (HCPCS J1453); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100). Source: CMS Medicare Physician & Other Practitioners file.