Doctor profile · Federal record
Dr. Grant Wintheiser, MD
Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Rochester, MN
- NPI 1043770092
- Accepts Medicare
- 7 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
200 1St St Sw
Rochester, MN 559050001
(507) 284-2511 - Additional location
-
11850 Blackfoot St Nw Ste 300
Coon Rapids, MN 554332772
(763) 236-0808 - Mailing address
-
2925 Chicago Ave
Minneapolis, MN 554071321
Credentials & registration
- NPI registered
- March 2019 — 7 yrs on file
- Profile last updated
- June 4, 2025
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- Minnesota #67278
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1043770092. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
106
Distinct HCPCS
2
Medicare allowed
$16,106
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 53 | 32 | $127 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 53 | 28 | $177 |
In context: peer comparison
Among 19 peers in Rochester Hematology & Oncology Physician, average services per provider: 42. This provider delivers 2.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
24
Patients
0
Total drug cost
$378
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydroxyurea | Generic | 13 | 0 | $284 |
| Dexamethasone | Generic | 11 | 0 | $94 |
Frequently asked questions
What is Dr. Grant Wintheiser's medical specialty?
Dr. Grant Wintheiser practices Hematology & Oncology Physician in Rochester, MN.
Where does Dr. Grant Wintheiser practice?
Dr. Grant Wintheiser practices at 200 1St St Sw, Rochester, MN 559050001. Office phone: 5072842511.
What is Dr. Grant Wintheiser's NPI?
Dr. Grant Wintheiser's National Provider Identifier (NPI) is 1043770092, issued by NPPES.
Does Dr. Grant Wintheiser accept Medicare assignment?
Yes. Dr. Grant Wintheiser accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Grant Wintheiser commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.