Joyce P. Lazarus, M.D.
Internal Medicine Physician · Norco, CA
Joyce P. Lazarus, M.D. is an internal medicine physician with a practice address in Norco, California, and NPI 1831143056, issued on May 20, 2006. Check the license (California A87020, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joyce P. Lazarus
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A87020 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1901 Town And Country Dr Ste 104, Norco, CA 92860
- Phone
- (951) 737-8141
- Enumerated
- May 20, 2006
- Record last updated
- Oct 1, 2025
- Fax
- (657) 215-4553
- Medicare enrollment
- Enrolled (PECOS I20060525000148); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1901 Town And Country Dr Ste 104
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Julian Sachs, PAPhysician Assistant1093299331
- Renanda Stevenson, DNP, FNP-BCPrimary Care Nurse Practitioner1366687113
- Melissa Taylor, D.O.Family Medicine Physician1528162989
Verify Joyce P. Lazarus in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A87020Check 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 internal medicine physician in 2024
2,567 Medicare Part D claims for 256 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 26 claims were for opioids.
Most prescribed
- Atorvastatin Calcium316 claims
- Losartan Potassium129 claims
- Amlodipine Besylate126 claims
- Lisinopril106 claims
- Levothyroxine Sodium104 claims
- Fluticasone Propionate97 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: $363.45
19 payments; by number, the most common kind was food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Citrus Valley Medical Associates IncNorco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joyce P. Lazarus among 17,696 internal medicine physician records in California
Joyce P. Lazarus, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1988 · median 2004 among the 11,065 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 internal medicine physician records list a practice address in Norco
They are 5 of the 410 NPPES records with a practice address in Norco, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Norco → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Imran Malik, MDNorco, CA 928601528596913
- Christine Mikhail, M.D.Norco, CA 928601538521067
- Honesto Pascual, M.D.Norco, CA 928601033211438
- Naty Tolentino, MDNorco, CA 928601003008053
- Kumar Gandhi, M.D.Orange, CA 928661821369877
- Thomas Hryniewicki, M.D.Orange, CA 928661992807341
- Craig Milhouse, M.D.Orange, CA 928661912079575
- Pravin Sharma, M.D.Orange, CA 928661134224611
Common questions
What is Joyce P. Lazarus, M.D.'s NPI number?
Joyce P. Lazarus, M.D.'s National Provider Identifier (NPI) is 1831143056, issued on May 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joyce P. Lazarus, M.D. located?
The NPPES record lists a practice address at 1901 Town And Country Dr Ste 104, Norco, CA, 92860. Phone: (951) 737-8141. Providers update this record themselves, so call before visiting.
How can I verify Joyce P. Lazarus, M.D.'s license?
NPPES lists California license number A87020, 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 Joyce P. Lazarus, M.D. prescribe under Medicare Part D?
In 2024, Joyce P. Lazarus, M.D. had 2,567 Medicare Part D claims for 256 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.