Linda Joanne Lazar, DO
Rheumatology Physician · Riverside, CA
Linda Joanne Lazar, DO is a rheumatology physician with a practice address in Riverside, California, and NPI 1184999559, issued on Mar 18, 2012. Check the license (California 20A15282, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Linda Joanne Lazar
- Credential
- DO
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- 20A15282 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6180 Brockton Ave Ste 204, Riverside, CA 92506
- Phone
- (951) 781-7700
- Enumerated
- Mar 18, 2012
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20170720002324); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Also registered at 6180 Brockton Ave Ste 204
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Asbat Hasan, MDRheumatology Physician1215499256
- Nayef Kazzaz, M.DRheumatology Physician1316234693
- Ryanne McClellan, FNP-CFamily Medicine Physician1275480766
- Babak Zamiri, M.D.Specialist1013991041
Verify Linda Joanne Lazar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A15282Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average rheumatology physician in 2024
178 Medicare Part D claims for 45 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Hydroxychloroquine Sulfate45 claims
- Prednisone37 claims
- Methotrexate14 claims
- Orencia14 claims
- Enbrel13 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 3 group practices
- Arthritis Medical ClinicRiverside, CA
- Southern California Permanente Medical GroupRiverside, CA
- Telemedicine Group PCRoseville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Linda Joanne Lazar among 926 rheumatology physician records in California
Linda Joanne Lazar, DO is one of 926 rheumatology physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 71% of them.
- NPI issued2012 · 71% of these records are older, 25% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2012 · median 2003 among the 641 with a school on file
- Record last updated2018 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in California
There are 926 rheumatology physician records in California.
All 926 in California → Every provider in Riverside → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Andre Babajanians, MDRiverside, CA 925061255311676
- Asbat Hasan, MDRiverside, CA 925061215499256
- Nayef Kazzaz, M.DRiverside, CA 925061316234693
- Bradley Andersen, M.D.Riverside, CA 925071528018470
- Amy Chang, MDRiverside, CA 925051255490827
- Al Franco, M.D.Riverside, CA 925051528128535
- David Lee, MDRiverside, CA 925051477602886
- Andrew Nguyen, MDRiverside, CA 925051366590291
Common questions
What is Linda Joanne Lazar, DO's NPI number?
Linda Joanne Lazar, DO's National Provider Identifier (NPI) is 1184999559, issued on Mar 18, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Linda Joanne Lazar, DO located?
The NPPES record lists a practice address at 6180 Brockton Ave Ste 204, Riverside, CA, 92506. Phone: (951) 781-7700. Providers update this record themselves, so call before visiting.
How can I verify Linda Joanne Lazar, DO's license?
NPPES lists California license number 20A15282, 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 Linda Joanne Lazar, DO prescribe under Medicare Part D?
In 2024, Linda Joanne Lazar, DO had 178 Medicare Part D claims for 45 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.