Louis M. Zucker, MD
Rheumatology Physician · Los Angeles, CA
Louis M. Zucker, MD is a rheumatology physician with a practice address in Los Angeles, California, and NPI 1124128145, issued on Sep 22, 2006. Check the license (California G10927, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Louis M. Zucker
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- G10927 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1025 W Olympic Blvd, Los Angeles, CA 90015
- Phone
- (213) 623-2225
- Enumerated
- Sep 22, 2006
- Record last updated
- Jan 17, 2026
- Fax
- (213) 861-5859
- Medicare enrollment
- Enrolled (PECOS I20040512001676); accepts Medicare assignment
- Medical or professional school
- University Of Southern California Keck School Of Medicine, 1964
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Also registered at 1025 W Olympic Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jacqueline Abrams, MPH, CHES, AE-CCommunity Health Worker1942483185
- Darlene Allen, R.D., CDERegistered Dietitian1891078424
- Joel Axelrod, PA-CSurgical Physician Assistant1699725291
- Robert Blackman, MDInternal Medicine Physician1245203082
- Lauren Elkins, RDRegistered Dietitian1487931978
- Albert Fite, M.D.Internal Medicine Physician1326052218
Verify Louis M. Zucker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G10927Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% more Medicare Part D claims than the average rheumatology physician in 2024
2,219 Medicare Part D claims for 409 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 13 claims were for opioids.
Most prescribed
- Alendronate Sodium491 claims
- Methotrexate215 claims
- Ibuprofen116 claims
- Duloxetine Hcl104 claims
- Pantoprazole Sodium104 claims
- Diclofenac Sodium90 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 one group practice
- Healthcare Partners Affiliates Medical GroupLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Louis M. Zucker among 926 rheumatology physician records in California
Louis M. Zucker, MD 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 55% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1964 · median 2003 among the 641 with a school on file
- Record last updated2026 · 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 Los Angeles → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Alexander Ruggieri, M.D.Los Angeles, CA 900151780028209
- Stephen Bland, MDLos Angeles, CA 900171821002627
- Brendan Cerk, MDLos Angeles, CA 900171558716357
- Joanna Davies, M.D.Los Angeles, CA 900171699746958
- Wagdy Kades, M.D.Los Angeles, CA 900171326080060
- Chen Xie, M.D.Los Angeles, CA 900171528452448
- Brian Huh, M.D.Los Angeles, CA 900201275614455
- Sonwoo Lee, MDLos Angeles, CA 900201336168616
Common questions
What is Louis M. Zucker, MD's NPI number?
Louis M. Zucker, MD's National Provider Identifier (NPI) is 1124128145, issued on Sep 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Louis M. Zucker, MD located?
The NPPES record lists a practice address at 1025 W Olympic Blvd, Los Angeles, CA, 90015. Phone: (213) 623-2225. Providers update this record themselves, so call before visiting.
How can I verify Louis M. Zucker, MD's license?
NPPES lists California license number G10927, 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 Louis M. Zucker, MD prescribe under Medicare Part D?
In 2024, Louis M. Zucker, MD had 2,219 Medicare Part D claims for 409 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.