Patricia Peterson
Pediatric Hematology & Oncology Physician · Los Angeles, CA
Patricia Peterson is a pediatric hematology & oncology physician with a practice address in Los Angeles, California, and NPI 1043486574, issued on May 5, 2008. Check the license (California 513228, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Patricia Peterson
- Primary taxonomy
- Pediatric Hematology & Oncology Physician 2080P0207X
- License number
- 513228 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4650 W Sunset Blvd, Los Angeles, CA 90027
- Phone
- (323) 361-2121
- Enumerated
- May 5, 2008
- Record last updated
- May 5, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (323) 361-7128
- Entity
- Type 1 · individual
Also registered at 4650 W Sunset Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Hisham Abdel-Azim, MDPediatric Hematology & Oncology Physician1114018694
- Ashraf Abou-Zamzam, MDPediatric Critical Care Medicine Physician1457442931
- Karineh Aboulian, MDPediatrics Physician1275774325
- Ahmed AbuhamadStudent in an Organized Health Care Education/Training Program1386478915
- Joanna Aceto, D.D.S.Pediatric Dentistry1033522578
- Etai Adam, M.D.Pediatrics Physician1578811998
Verify Patricia Peterson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 513228Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average pediatric hematology & oncology physician in 2024
28 Medicare Part D claims, against an average of 94 among the 300 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Pediatric Hematology & Oncology Physician providers in California
There are 417 pediatric hematology & oncology physician records in California.
Other pediatric hematology & oncology physician records in California
- Hisham Abdel-Azim, MDLos Angeles, CA1114018694
- Ragini Adams, MDPalo Alto, CA1548655269
- Scott Adams, MDRoseville, CA1013067818
- Catherine Aftandilian, MDPalo Alto, CA1154526762
- Rajni Agarwal, MDPalo Alto, CA1053455535
- Shreya Agarwal, MDSan Francisco, CA1841654944
- Anurag Agrawal, MDOakland, CA1346485026
- Paibel Aguayo-Hiraldo, M.D.Los Angeles, CA1700012317
- Maria Ahmad-Nabi, MDLos Angeles, CA1104185206
- Hyunah Ahn, M.D.San Diego, CA1255403879
Common questions
What is Patricia Peterson's NPI number?
Patricia Peterson's National Provider Identifier (NPI) is 1043486574, issued on May 5, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Patricia Peterson located?
The NPPES record lists a practice address at 4650 W Sunset Blvd, Los Angeles, CA, 90027. Phone: (323) 361-2121. Providers update this record themselves, so call before visiting.
How can I verify Patricia Peterson's license?
NPPES lists California license number 513228, 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 Patricia Peterson prescribe under Medicare Part D?
In 2024, Patricia Peterson had 28 Medicare Part D claims; the average among pediatric hematology & oncology physician prescribers was 94. 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.