Brian Zwecker, M.D.
Nephrology Physician · Montebello, CA
Brian Zwecker, M.D. is a nephrology physician with a practice address in Montebello, California, and NPI 1629363106, issued on Jun 13, 2011. Check the license (California A140925, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Brian Zwecker
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- A140925 CA
BP10041545 TX
Self-reported in NPPES; status is on the state search - Practice location
- 101 E Beverly Blvd Ste 304, Montebello, CA 90640
- Phone
- (323) 722-7418
- Enumerated
- Jun 13, 2011
- Record last updated
- Jul 21, 2022
- Medicare enrollment
- Enrolled (PECOS I20160718000599); may accept Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 101 E Beverly Blvd Ste 304
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Golriz Jafari, MDNephrology Physician1174629166
- Dorsa Maryska, M.D.Nephrology Physician1851598866
Verify Brian Zwecker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A140925Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% more Medicare Part D claims than the average nephrology physician in 2024
2,198 Medicare Part D claims for 255 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D.
Most prescribed
- Prosol175 claims
- Furosemide164 claims
- Calcium Acetate157 claims
- Farxiga109 claims
- Sevelamer Carbonate107 claims
- Nifedipine Er92 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: $188.58
9 payments; by number, the most common kind was food and beverage; the largest payer was Fresenius USA Marketing, Inc. The 8,230 providers of this specialty with any payment received $3,091.37 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
- Kidney Specialists Medical CorporationMontebello, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brian Zwecker among 1,468 nephrology physician records in California
Brian Zwecker, M.D. is one of 1,468 nephrology physician records with a practice address in California. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 76% of them.
- NPI issued2011 · 76% of these records are older, 20% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2011 · median 2001 among the 1,128 with a school on file
- Record last updated2022 · 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 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
14 nephrology physician records list a practice address in Montebello
They are 14 of the 728 NPPES records with a practice address in Montebello, and 1,468 nephrology physician records in California.
All 1,468 in California → Every provider in Montebello → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Patricia Alvarado, M.D.Montebello, CA 906401396772844
- Pradip Chowdhury, M.D.Montebello, CA 906401053348946
- Carlos Gonzalez, M.D.Montebello, CA 906401891722369
- Golriz Jafari, MDMontebello, CA 906401174629166
- Kay Kyaw, M.D.Montebello, CA 906401912223850
- Dennis Lange, M.D,Montebello, CA 906401336224757
- Dorsa Maryska, M.D.Montebello, CA 906401851598866
- Martha Montealegre, NPMontebello, CA 906401831737162
Common questions
What is Brian Zwecker, M.D.'s NPI number?
Brian Zwecker, M.D.'s National Provider Identifier (NPI) is 1629363106, issued on Jun 13, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Brian Zwecker, M.D. located?
The NPPES record lists a practice address at 101 E Beverly Blvd Ste 304, Montebello, CA, 90640. Phone: (323) 722-7418. Providers update this record themselves, so call before visiting.
How can I verify Brian Zwecker, M.D.'s license?
NPPES lists California license number A140925, 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 Brian Zwecker, M.D. prescribe under Medicare Part D?
In 2024, Brian Zwecker, M.D. had 2,198 Medicare Part D claims for 255 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.