Jonathan Fredric Waxer, MD
Radiation Oncology Physician · Los Angeles, CA
Jonathan Fredric Waxer, MD is a radiation oncology physician with a practice address in Los Angeles, California, and NPI 1629575337, issued on Apr 9, 2018. Check the license (California A163392, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jonathan Fredric Waxer
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- A163392 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4950 W Sunset Blvd, Los Angeles, CA 90027
- Phone
- (323) 783-2841
- Enumerated
- Apr 9, 2018
- Record last updated
- Jul 13, 2023
- Medicare enrollment
- Enrolled (PECOS I20231228003852); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 735 in California → Look up another NPI →
Also registered at 4950 W Sunset Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jonathan Fredric Waxer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A163392Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average radiation oncology physician in 2024
108 Medicare Part D claims for 51 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl42 claims
- Lidocaine Hcl Viscous14 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.
Industry payments in 2024: $18.96
1 payment: food and beverage; the largest payer was Novocure Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jonathan Fredric Waxer among 735 radiation oncology physician records in California
Jonathan Fredric Waxer, MD is one of 735 radiation 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 2018, is newer than 89% of them.
- NPI issued2018 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2018 · median 2005 among the 545 with a school on file
- Record last updated2023 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in California
There are 735 radiation oncology physician records in California.
All 735 in California → Every provider in Los Angeles → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Edward Brunngraber, MDLos Angeles, CA 900271891866877
- Harry Cosmatos, MDLos Angeles, CA 900271902977978
- Michael Girvigian, MDLos Angeles, CA 900271215008289
- Barry Goy, MDLos Angeles, CA 900271609947688
- Kevin Holland, MDLos Angeles, CA 900271184796419
- Julie Hwang, MDLos Angeles, CA 900271396804993
- Teri Katz, MDLos Angeles, CA 900271639246457
- Kenneth Lodin, MDLos Angeles, CA 900271306913314
Common questions
What is Jonathan Fredric Waxer, MD's NPI number?
Jonathan Fredric Waxer, MD's National Provider Identifier (NPI) is 1629575337, issued on Apr 9, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Fredric Waxer, MD located?
The NPPES record lists a practice address at 4950 W Sunset Blvd, Los Angeles, CA, 90027. Phone: (323) 783-2841. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Fredric Waxer, MD's license?
NPPES lists California license number A163392, 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 Jonathan Fredric Waxer, MD prescribe under Medicare Part D?
In 2024, Jonathan Fredric Waxer, MD had 108 Medicare Part D claims for 51 beneficiaries; the average among radiation oncology physician prescribers was 134. 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.