Dr. Louis M. Zucker, MD
- Medicare services, 2018
- 22
- Medicare patients, 2024
- 11
- Part D claims, 2024
- 2,219
- Industry payments
- $1,066
- Affiliated sites
- 1
- Practice address
- 1025 W Olympic Blvd, Los Angeles, CA 90015
- Practice phone
- Call (213) 623-2225
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Healthcare Partners Medical Group
Los Angeles, California
Find Dr. Zucker's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Louis M. Zucker is a rheumatologist in Los Angeles, California
Dr. Zucker practices at Healthcare Partners Medical Group in Los Angeles, California.
Dr. Zucker's NPI, 1124128145, was assigned on September 22, 2006. Dr. Zucker graduated from Keck School of Medicine of USC in 1964. Dr. Zucker's California license number on file is G10927.
- NPI
- 1124128145NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305836396
- NPI enumeration date
- September 22, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (213) 623-2225
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 88
- Medical school graduation
- 1964
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Louis M. Zucker practices at Healthcare Partners Medical Group in Los Angeles, California
Dr. Zucker's primary practice is Healthcare Partners Medical Group, at 1025 W Olympic Blvd, Los Angeles, CA 90015 in Los Angeles County. The practice phone is (213) 623-2225.
- Healthcare Partners Medical Group1025 W Olympic Blvd, Los Angeles, CA 90015 · Los Angeles CountyPhone(213) 623-2225
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Louis M. Zucker is affiliated with 2 sites of care and 1 medical group
Dr. Zucker's primary practice is Healthcare Partners Medical Group in Los Angeles, California. The medical group on file is Optum - Downtown Los Angeles. Dmand AI also links Dr. Zucker to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Louis M. Zucker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zucker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Healthcare Partners Medical Group | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Louis M. Zucker is one of 821 rheumatologists in California
Rheumatology is Dr. Zucker's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Zucker is board certified in internal medicine by the American Board of Internal Medicine. Dr. Zucker has a license on file in California.
Specialties and state licenses
- Rheumatology, CaliforniaPrimary
Clinical focus
Dmand AI lists fluid in a joint, muscle pain, fibromyalgia, and limb pain, osteoporosis and rheumatoid arthritis among the conditions Dr. Zucker treats.
Rheumatologists near Dr. Zucker
Counts of rheumatologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Louis M. Zucker billed Medicare for 22 services in 2018
CMS data shows 22 Medicare services from Dr. Zucker across 1 procedure code in 2018, all of them office visits, for 11 Medicare patients. Medicare paid $558 for them. Every service was in an office.
Dr. Zucker's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 222018: 22No change
- Surgery
- 2017: 212018: 0100%
Dr. Zucker compared with the California median for rheumatologists, 2018
- Dr. Zucker
- California median
- Medicare services
- 22vs 90098% below
- Medicare patients
- 11vs 21695% below
- Part D claims
- 2,068vs 9622.1 times
Medians across 773 rheumatologists in California with Dmand AI profiles that report each measure.
Dr. Zucker's most billed Medicare procedure codes, 2018
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zucker and other rheumatologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Louis M. Zucker treated 11 Medicare patients in 2024, average age 72
CMS counts 11 Medicare patients who saw Dr. Zucker in 2024. Their average risk score is 1.47, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Zucker's median patient age at 71, with 76% women.
Dr. Zucker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women76%
- Men23%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Louis M. Zucker wrote 2,219 Medicare Part D claims in 2024
In 2024, Dr. Zucker wrote 2,219 Medicare Part D claims for 409 patients. 92% of them were for generic drugs. CMS names the drug for 2,068 of them, across 33 drugs with 11 or more claims each, at $881,261 in total drug cost. In 2023, CMS named 2,167 claims across 39 drugs.
Dr. Zucker's Part D claims by kind of drug, 2024
- Generic2,046 claims92%
- Brand-name173 claims8%
Dr. Zucker's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Zucker's Part D claims, 2024
- Opioids1%13 of 2,219 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,1672024: 2,0685%
Drugs named by CMS: 33 in 2024, 39 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Louis M. Zucker offers telehealth to Medicare patients
Dr. Zucker accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Zucker as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Louis M. Zucker received $1,066 in industry payments from 2016 to 2023
CMS Open Payments shows 10 general payments to Dr. Zucker from 8 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $230.
General payments to Dr. Zucker by program year, 2016 to 2023
Companies that paid Dr. Zucker the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Louis M. Zucker has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Zucker, most recently ACR Fellow in 2013.
Awards and honors for Dr. Zucker
- 2013
- ACR Fellow
- Undated
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. Louis M. Zucker graduated from Keck School of Medicine of USC
Dr. Zucker graduated from Keck School of Medicine of USC in 1964. Dr. Zucker is a member of ACR.
- Medical school
- Board certified in internal medicine
- Board certified in rheumatology
Source: Dmand AI Professional Profile Data
Dr. Louis M. Zucker accepts plans from 9 insurance carriers
Dr. Zucker is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- LA Care
- Regence Health Plans
- CMS Medicare
- Humana
- +1 more carriersWith a free account
Plan types Dr. Zucker accepts, by number of carriers
- Medicare8
- PPO5
- HMO4
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Louis M. Zucker's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Louis M. Zucker
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Louis M. Zucker's NPI number?
Dr. Louis M. Zucker's NPI number is 1124128145. It was assigned on September 22, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Louis M. Zucker?
Dr. Louis M. Zucker is a rheumatologist in Los Angeles, California. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Louis M. Zucker practice?
Dr. Zucker practices at 1025 W Olympic Blvd, Los Angeles, CA 90015. Dr. Zucker's primary practice is Healthcare Partners Medical Group in Los Angeles, California. Dmand AI also links Dr. Zucker to 1 group practice or clinic.
What is Dr. Louis M. Zucker's office phone number?
The practice phone on file for Dr. Zucker is (213) 623-2225.
What is Dr. Louis M. Zucker's medical license number?
Dr. Zucker's California license number on file is G10927.
What medical group is Dr. Louis M. Zucker part of?
Dr. Zucker is linked to Optum - Downtown Los Angeles.
Does Dr. Louis M. Zucker accept Medicare?
Yes. CMS data shows Dr. Zucker billed Medicare for 22 services in 2018, and Dr. Zucker accepts Medicare assignment.
Does Dr. Louis M. Zucker offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Zucker as offering telehealth services.
How many Medicare patients does Dr. Louis M. Zucker see?
CMS counts 11 Medicare patients who saw Dr. Zucker in 2024, with an average age of 72.
Is Dr. Louis M. Zucker board certified?
Yes. Dr. Zucker is board certified in internal medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Louis M. Zucker bill to Medicare?
In 2018, Dr. Zucker's most billed Medicare services were office visit, established patient (99212).
Where did Dr. Louis M. Zucker go to medical school?
Dr. Zucker graduated from Keck School of Medicine of USC in 1964.
What drugs does Dr. Louis M. Zucker prescribe most?
In 2024 Medicare Part D data, Dr. Zucker's most prescribed drugs by claims were Alendronate Sodium, Methotrexate and Ibuprofen.
Has Dr. Louis M. Zucker received payments from drug or device companies?
CMS Open Payments shows $1,066 in general payments to Dr. Zucker from 8 companies from 2016 to 2023. The largest total came from Amgen Inc.
How long has Dr. Louis M. Zucker been practicing?
Dr. Zucker graduated from medical school in 1964, 62 years ago.
What insurance does Dr. Louis M. Zucker accept?
Dr. Zucker is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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