Brendan Cerk, MD
Rheumatology Physician · Los Angeles, CA
Brendan Cerk, MD is a rheumatology physician with a practice address in Los Angeles, California, and NPI 1558716357, issued on Apr 28, 2016. Check the license (California A154575, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Brendan Cerk
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- A154575 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1245 Wilshire Blvd Ste 307, Los Angeles, CA 90017
- Phone
- (213) 482-2770
- Enumerated
- Apr 28, 2016
- Record last updated
- May 27, 2025
- Fax
- (562) 967-2468
- Medicare enrollment
- Enrolled (PECOS I20211026001834); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Verify Brendan Cerk in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A154575Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average rheumatology physician in 2024
1,141 Medicare Part D claims for 259 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D.
Most prescribed
- Hydroxychloroquine Sulfate130 claims
- Alendronate Sodium123 claims
- Prednisone108 claims
- Methotrexate107 claims
- Prolia64 claims
- Gabapentin54 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 76.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $260.37
13 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 4,486 providers of this specialty with any payment received $8,538.33 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 2 group practices
- Pih Health PhysiciansWhittier, CA
- Southern California Permanente Medical GroupBellflower, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brendan Cerk among 926 rheumatology physician records in California
Brendan Cerk, 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 2016, is newer than 85% of them.
- NPI issued2016 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2016 · median 2003 among the 641 with a school on file
- Record last updated2025 · 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
- Stephen Bland, MDLos Angeles, CA 900171821002627
- Joanna Davies, M.D.Los Angeles, CA 900171699746958
- Wagdy Kades, M.D.Los Angeles, CA 900171326080060
- Chen Xie, M.D.Los Angeles, CA 900171528452448
- Alexander Ruggieri, M.D.Los Angeles, CA 900151780028209
- Louis Zucker, MDLos Angeles, CA 900151124128145
- Brian Huh, M.D.Los Angeles, CA 900201275614455
- Sonwoo Lee, MDLos Angeles, CA 900201336168616
Common questions
What is Brendan Cerk, MD's NPI number?
Brendan Cerk, MD's National Provider Identifier (NPI) is 1558716357, issued on Apr 28, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Brendan Cerk, MD located?
The NPPES record lists a practice address at 1245 Wilshire Blvd Ste 307, Los Angeles, CA, 90017. Phone: (213) 482-2770. Providers update this record themselves, so call before visiting.
How can I verify Brendan Cerk, MD's license?
NPPES lists California license number A154575, 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 Brendan Cerk, MD prescribe under Medicare Part D?
In 2024, Brendan Cerk, MD had 1,141 Medicare Part D claims for 259 beneficiaries; the average among rheumatology physician prescribers was 1,978. Part D covers Medicare prescriptions only.
What is Brendan Cerk, MD's MIPS final score?
The 2023 MIPS final score is 76.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.