William Delbert Roberts, M.D.
Pediatric Hematology & Oncology Physician · San Diego, CA
William Delbert Roberts, M.D. is a pediatric hematology & oncology physician with a practice address in San Diego, California, and NPI 1245302561, issued on Nov 14, 2006. Check the license (California A46026, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- William Delbert Roberts
- Credential
- M.D.
- Primary taxonomy
- Pediatric Hematology & Oncology Physician 2080P0207X
- License number
- A46026 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3010 Childrens Way, San Diego, CA 92123
- Phone
- (858) 966-5811
- Enumerated
- Nov 14, 2006
- Record last updated
- Oct 23, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (858) 966-8035
- Medicaid ID
- 00A460260 CA
- Medicare enrollment
- Enrolled (PECOS I20071128000518); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatric hematology & oncology physician records → All 417 in California → Look up another NPI →
Also registered at 3010 Childrens Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alicia Acosta, LCSWClinical Social Worker1285280297
- Hyunah Ahn, M.D.Pediatric Hematology & Oncology Physician1255403879
- Gali Aljadeff, MDPediatrics Physician1710565320
- Eric Anderson, M.D.Pediatric Hematology & Oncology Physician1346312964
- Maria Aristizabal, MDPediatric Hematology & Oncology Physician1154662583
- Anna Balderas, CPNPPediatric Nurse Practitioner1679093405
Verify William Delbert Roberts in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A46026Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Rady Children's Hospital San DiegoSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Delbert Roberts among 417 pediatric hematology & oncology physician records in California
William Delbert Roberts, M.D. is one of 417 pediatric hematology & oncology physician records with a practice address in California. 53% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 65% newer
- In a Medicare fileYes · 53% of these records are
- In the CMS Doctors and Clinicians fileYes · 29% of these records are
- Graduated1986 · median 2004 among the 120 with a school on file
- Record last updated2014 · 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 2080P0207X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Hematology & Oncology Physician providers in California
There are 417 pediatric hematology & oncology physician records in California.
All 417 in California → Every provider in San Diego → Pediatric Hematology & Oncology Physician nationwide →
The 8 pediatric hematology & oncology physician records with the nearest ZIP codes
- Hyunah Ahn, M.D.San Diego, CA 921231255403879
- Eric Anderson, M.D.San Diego, CA 921231346312964
- Donald Durden, MD, PHDSan Diego, CA 921231841340395
- Jennifer Elster, M.D.San Diego, CA 921231588866115
- James Geller, M.D.San Diego, CA 921231881625572
- Richard Kadota, M.D.San Diego, CA 921231104997956
- Jenny Kim, M.D.San Diego, CA 921231255402012
- Dennis Kuo, M.D.San Diego, CA 921231750492146
Common questions
What is William Delbert Roberts, M.D.'s NPI number?
William Delbert Roberts, M.D.'s National Provider Identifier (NPI) is 1245302561, issued on Nov 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Delbert Roberts, M.D. located?
The NPPES record lists a practice address at 3010 Childrens Way, San Diego, CA, 92123. Phone: (858) 966-5811. Providers update this record themselves, so call before visiting.
How can I verify William Delbert Roberts, M.D.'s license?
NPPES lists California license number A46026, 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.
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.