Charles H. Redfern, M.D.
Hematology & Oncology Physician · San Diego, CA
Charles H. Redfern, M.D. is a hematology & oncology physician with a practice address in San Diego, California, and NPI 1225007396, issued on Mar 14, 2006. Check the license (California A52733, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Charles H. Redfern
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- A52733 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3075 Health Center Dr, San Diego, CA 92123
- Phone
- (858) 637-7888
- Enumerated
- Mar 14, 2006
- Record last updated
- Jul 26, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (858) 637-7887
- Medicare enrollment
- Enrolled (PECOS I20080418000309); accepts Medicare assignment
- Medical or professional school
- Johns Hopkins University School Of Medicine, 1991
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 1,583 in California → Look up another NPI →
Also registered at 3075 Health Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Barone, M.D.Surgical Oncology Physician1528083573
- Jessica BarrazaOncology Registered Nurse1912709593
- Tracy Begg, MS, RDRegistered Dietitian1417087628
- Rajesh Belani, M.D.Hematology & Oncology Physician1578509113
- Angelea Bruce, RDRegistered Dietitian1518313840
- Annie Chin, O.D.Optometrist1124191556
Verify Charles H. Redfern in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A52733Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
449 Medicare Part D claims for 97 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 49 claims were for opioids.
Most prescribed
- Gabapentin41 claims
- Abiraterone Acetate39 claims
- Prednisone28 claims
- Ondansetron Hcl24 claims
- Dexamethasone21 claims
- Bicalutamide20 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Medical Oncology Associates OF San Diego A Medical Group IncSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles H. Redfern among 1,583 hematology & oncology physician records in California
Charles H. Redfern, M.D. is one of 1,583 hematology & oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 54% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 71% of these records are
- Graduated1991 · median 2003 among the 1,124 with a school on file
- Record last updated2012 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in California
There are 1,583 hematology & oncology physician records in California.
All 1,583 in California → Every provider in San Diego → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Rajesh Belani, M.D.San Diego, CA 921231578509113
- James Coggan, D.O.San Diego, CA 921231508246042
- Jennifer Fisher, M.D.San Diego, CA 921231710156807
- Dana Glenn, M.D.San Diego, CA 921231497765440
- Edward Huynh, MDSan Diego, CA 921231770501769
- Eliana Kozin, BCH BAOSan Diego, CA 921231609021849
- Meera Ravindranathan, M.D.San Diego, CA 921231215963848
- Kristen Rice, M.D.San Diego, CA 921231558542845
Common questions
What is Charles H. Redfern, M.D.'s NPI number?
Charles H. Redfern, M.D.'s National Provider Identifier (NPI) is 1225007396, issued on Mar 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Charles H. Redfern, M.D. located?
The NPPES record lists a practice address at 3075 Health Center Dr, San Diego, CA, 92123. Phone: (858) 637-7888. Providers update this record themselves, so call before visiting.
How can I verify Charles H. Redfern, M.D.'s license?
NPPES lists California license number A52733, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Charles H. Redfern, M.D. prescribe under Medicare Part D?
In 2024, Charles H. Redfern, M.D. had 449 Medicare Part D claims for 97 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.