Doctor profile · Federal record
Dr. John P Fruehauf, MD
Hematology & Oncology Physician (CMS: General Surgery) · Orange, CA
- NPI 1588744635
- Accepts Medicare
- MIPS 91.2 / 100 · 2023
- 41 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
Uci Medical Center, 101 the City Drive South
Orange, CA 92868
(714) 456-8978 - Mailing address
-
Uci Department of Medicine, Po Box 54509
Los Angeles, CA 900544509
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- California #000000G58826
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1588744635. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
228
Distinct HCPCS
2
Medicare allowed
$39,921
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 141 | 72 | $196 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 87 | 28 | $141 |
In context: peer comparison
Among 20 peers in this city , average services per provider: 1,067. This provider delivers 0.2× the peer median.Open Payments
Industry payments received
All-time total
$18
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| PFIZER INC. | 1 | $18.00 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
259
Patients
0
Total drug cost
$2,108,269
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Nubeqa (Darolutamide) | Brand | 29 | 0 | $395,932 |
| Dexamethasone | Generic | 27 | 0 | $399 |
| Mekinist (Trametinib Dimethyl Sulfoxide) | Brand | 27 | 0 | $458,678 |
| Tafinlar (Dabrafenib Mesylate) | Brand | 27 | 0 | $426,305 |
| Orgovyx (Relugolix) | Brand | 26 | 0 | $70,896 |
| Xtandi (Enzalutamide) | Brand | 23 | 0 | $526,342 |
| Gabapentin | Generic | 21 | 0 | $1,267 |
| Prednisone | Generic | 19 | 0 | $162 |
| Olanzapine | Generic | 13 | 0 | $11 |
| Alprazolam | Generic | 12 | 0 | $91 |
Frequently asked questions
What is Dr. John P Fruehauf's medical specialty?
Dr. John P Fruehauf practices Hematology & Oncology Physician in Orange, CA.
Where does Dr. John P Fruehauf practice?
Dr. John P Fruehauf practices at Uci Medical Center, Orange, CA 92868. Office phone: 7144568978.
What is Dr. John P Fruehauf's NPI?
Dr. John P Fruehauf's National Provider Identifier (NPI) is 1588744635, issued by NPPES.
Does Dr. John P Fruehauf accept Medicare assignment?
Yes. Dr. John P Fruehauf accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John P Fruehauf commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.