Dr. Brian M. Zwecker, MD
- Medicare services, 2024
- 1,294
- Medicare patients, 2024
- 253
- Part D claims, 2024
- 2,198
- Hospital affiliations
- 3
- Industry payments
- $1,620
- Practice address
- 101 E Beverly Blvd, Montebello, CA 90640
- Practice phone
- Call (310) 631-3085
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Gateway Plaza Dialysis
Montebello, California
Find Dr. Zwecker'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. Brian M. Zwecker is a nephrologist in Montebello, California
Dr. Zwecker practices at Gateway Plaza Dialysis in Montebello, California.
Dr. Zwecker's NPI, 1629363106, was assigned on June 13, 2011. Dr. Zwecker graduated from Tulane School of Medicine in 2011. Dr. Zwecker's California license number on file is A140925.
- NPI
- 1629363106NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8921390691
- NPI enumeration date
- June 13, 2011
- NPI status
- Active
- Offers telehealth
- Yes
- Practice phone
- (310) 631-3085
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Brian M. Zwecker practices at Gateway Plaza Dialysis in Montebello, California
Dr. Zwecker's primary practice is Gateway Plaza Dialysis, at 101 E Beverly Blvd, Montebello, CA 90640 in Los Angeles County. The practice phone is (310) 631-3085.
- Gateway Plaza Dialysis101 E Beverly Blvd, Montebello, CA 90640 · Los Angeles CountyPhone(310) 631-3085
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Brian M. Zwecker is affiliated with 10 sites of care and 1 medical group
Dr. Zwecker's primary practice is Gateway Plaza Dialysis in Montebello, California. Dr. Zwecker is also affiliated with PIH Health Whittier Hospital. The medical group on file is The Kidney Specialist Medical Corporation. Dmand AI also links Dr. Zwecker to 2 more hospitals, 5 dialysis centers and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Brian M. Zwecker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Zwecker practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Gateway Plaza Dialysis | Available with a free account |
| +9 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Brian M. Zwecker is one of 1,401 nephrologists in California
Nephrology is Dr. Zwecker's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Zwecker is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Zwecker's licenses on file in 2 states: California and Texas.
Specialties and state licenses
- Nephrology, CaliforniaPrimary
- Internal medicine, Texas
Clinical focus
Dmand AI lists chronic kidney disease and fluid and electrolyte imbalances among the conditions Dr. Zwecker treats.
Nephrologists near Dr. Zwecker
Counts of nephrologists 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. Brian M. Zwecker billed Medicare for 1,294 services in 2024
CMS data shows 1,294 Medicare services from Dr. Zwecker across 7 procedure codes in 2024, for 253 Medicare patients. Medicare paid $219,882 for them.
Dr. Zwecker's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 6902024: 687No change
- Office and hospital visits
- 2023: 9052024: 60733%
Where Dr. Zwecker's Medicare services took place, 2024
- In an office76459%
- In a facility53041%
Dr. Zwecker compared with the California median for nephrologists, 2024
- Dr. Zwecker
- California median
- Medicare services
- 1,294vs 1,08419% above
- Medicare patients
- 253vs 30718% below
- Part D claims
- 1,936vs 9552.0 times
Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.
Dr. Zwecker's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Zwecker?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Zwecker and other nephrologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Brian M. Zwecker treated 253 Medicare patients in 2024, average age 69
CMS counts 253 Medicare patients who saw Dr. Zwecker in 2024. The largest group is under 65, with 89 patients. 75% of them have chronic kidney disease, and 75% have diabetes. 84% are also on Medicaid. Their average risk score is 8.27, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Zwecker's median patient age at 65, with 41% women.
Dr. Zwecker's Medicare patients by age, 2024
Dr. Zwecker's Medicare patients by sex, 2024
- Women12549%
- Men12851%
Chronic conditions among Dr. Zwecker's Medicare patients, 2024
- Chronic kidney disease75%
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
- Heart failure72%
- Ischemic heart disease56%
- Arthritis45%
- Mood disorders40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Zwecker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women41%
- Men58%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Brian M. Zwecker wrote 2,198 Medicare Part D claims in 2024
In 2024, Dr. Zwecker wrote 2,198 Medicare Part D claims for 255 patients. 70% of them were for generic drugs. CMS names the drug for 1,936 of them, across 43 drugs with 11 or more claims each, at $479,070 in total drug cost. In 2023, CMS named 1,681 claims across 40 drugs.
Dr. Zwecker's Part D claims by kind of drug, 2024
- Generic1,539 claims70%
- Brand-name and other659 claims30%
Dr. Zwecker'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. Zwecker's Part D claims, 2024
- Antibiotics3%74 of 2,198 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: 1,6812024: 1,93615%
Drugs named by CMS: 43 in 2024, 40 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. Brian M. Zwecker offers telehealth to Medicare patients
CMS lists Dr. Zwecker as offering telehealth.
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Brian M. Zwecker received $1,620 in industry payments from 2016 to 2025
CMS Open Payments shows 64 general payments to Dr. Zwecker from 14 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Amgen Inc. paid the most, $439.
General payments to Dr. Zwecker by program year, 2016 to 2025
General payments to Dr. Zwecker by kind, 2016 to 2025
- Food and beverage$1,58198%
- Education$382%
Companies that paid Dr. Zwecker the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Brian M. Zwecker graduated from Tulane School of Medicine
Dr. Zwecker graduated from Tulane School of Medicine in 2011.
- Medical school
- Board certified in internal medicine
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Dr. Brian M. Zwecker accepts plans from 16 insurance carriers
Dr. Zwecker is in network with 16 carriers, including Aetna, United Healthcare and Elevance. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- United Healthcare
- Elevance
- HCSC
- LA Care
- Blue Cross Blue Shield of Massachusetts
- Blue Cross Blue Shield of Michigan
- Molina
- +8 more carriersWith a free account
Plan types Dr. Zwecker accepts, by number of carriers
- HMO9
- PPO9
- Medicare8
- EPO4
- POS2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Brian M. Zwecker'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 DataDmand AI Org Hierarchy 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) |
| 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. Brian M. Zwecker
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. Brian M. Zwecker's NPI number?
Dr. Brian M. Zwecker's NPI number is 1629363106. It was assigned on June 13, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Brian M. Zwecker?
Dr. Brian M. Zwecker is a nephrologist in Montebello, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Brian M. Zwecker practice?
Dr. Zwecker practices at 101 E Beverly Blvd, Montebello, CA 90640. Dr. Zwecker's primary practice is Gateway Plaza Dialysis in Montebello, California. Dmand AI also links Dr. Zwecker to 2 hospitals, 5 dialysis centers and 1 group practice or clinic.
What is Dr. Brian M. Zwecker's office phone number?
The practice phone on file for Dr. Zwecker is (310) 631-3085.
What is Dr. Brian M. Zwecker's medical license number?
Dr. Zwecker's California license number on file is A140925, one of the licenses on file in 2 states.
Which states has Dr. Brian M. Zwecker been licensed in?
Dmand AI has state licenses on file for Dr. Zwecker in California (2016 to 2025) and Texas (2013 to 2016).
Which hospitals is Dr. Brian M. Zwecker affiliated with?
Dr. Zwecker is affiliated with PIH Health Whittier Hospital. Dmand AI links Dr. Zwecker to 2 more hospitals.
What medical group is Dr. Brian M. Zwecker part of?
Dr. Zwecker is linked to The Kidney Specialist Medical Corporation.
Does Dr. Brian M. Zwecker accept Medicare?
Yes. CMS data shows Dr. Zwecker billed Medicare for 1,294 services in 2024.
Does Dr. Brian M. Zwecker offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Zwecker as offering telehealth services.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Brian M. Zwecker see?
CMS counts 253 Medicare patients who saw Dr. Zwecker in 2024, with an average age of 69.
Is Dr. Brian M. Zwecker board certified?
Yes. Dr. Zwecker is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Brian M. Zwecker bill to Medicare?
In 2024, Dr. Zwecker's most billed Medicare services were dialysis (90960), hospital inpatient care (99232) and dialysis (90961).
Where did Dr. Brian M. Zwecker go to medical school?
Dr. Zwecker graduated from Tulane School of Medicine in 2011.
What drugs does Dr. Brian M. Zwecker prescribe most?
In 2024 Medicare Part D data, Dr. Zwecker's most prescribed drugs by claims were Prosol, Furosemide and Calcium Acetate.
Has Dr. Brian M. Zwecker received payments from drug or device companies?
CMS Open Payments shows $1,620 in general payments to Dr. Zwecker from 14 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Brian M. Zwecker been practicing?
Dr. Zwecker graduated from medical school in 2011, 15 years ago.
What insurance does Dr. Brian M. Zwecker accept?
Dr. Zwecker is in network with 16 carriers, including Aetna, United Healthcare and Elevance. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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