Doctor profile · Federal record
Dr. Charles Redfern, M.D.
Hematology & Oncology Physician (CMS: Hematology/Oncology) · San Diego, CA
- NPI 1225007396
- Accepts Medicare
- 35 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
3075 Health Center Dr, Suite 102
San Diego, CA 921232773
(858) 637-7888
fax (858) 637-7887
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- July 26, 2012
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207RH0003X — NUCC code
- State license (1)
- California #A52733
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1225007396. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,011
Distinct HCPCS
10
Medicare allowed
$102,503
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 274 | 124 | $97 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 235 | 151 | $137 | |
36415 |
Insertion of needle into vein for collection of blood sample | 146 | 47 | $8 | |
J9217 |
Leuprolide acetate (for depot suspension), 7.5 mg | 86 | 12 | $174 | |
96413 |
Administration of chemotherapy into vein, 1 hour or less | 78 | 13 | $150 | |
96372 |
Injection of drug or substance under skin or into muscle | 69 | 17 | $15 | |
96402 |
Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle | 42 | 13 | $38 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 32 | 32 | $233 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 31 | 15 | $80 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 18 | 18 | $177 |
In context: peer comparison
Among 34 peers in San Diego Hematology & Oncology Physician, average services per provider: 650. This provider delivers 1.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
310
Patients
42
Total drug cost
$334,308
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 48 | 0 | $740 |
| Ondansetron Hcl | Generic | 30 | 19 | $257 |
| Prednisone | Generic | 28 | 11 | $144 |
| Retacrit (Epoetin Alfa-Epbx) | Brand | 24 | 0 | $38,875 |
| Hydroxyurea | Generic | 23 | 0 | $1,020 |
| Letrozole | Generic | 22 | 0 | $893 |
| Bicalutamide | Generic | 19 | 0 | $575 |
| Tamoxifen Citrate | Generic | 18 | 0 | $781 |
| Ibrance (Palbociclib) | Brand | 16 | 0 | $267,786 |
| Prochlorperazine Maleate | Generic | 16 | 12 | $187 |
Hospital affiliations
Frequently asked questions
What is Dr. Charles Redfern's medical specialty?
Dr. Charles Redfern practices Hematology & Oncology Physician in San Diego, CA.
Where does Dr. Charles Redfern practice?
Dr. Charles Redfern practices at 3075 Health Center Dr, San Diego, CA 921232773. Office phone: 8586377888.
What is Dr. Charles Redfern's NPI?
Dr. Charles Redfern's National Provider Identifier (NPI) is 1225007396, issued by NPPES.
Does Dr. Charles Redfern accept Medicare assignment?
Yes. Dr. Charles Redfern accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charles Redfern commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.